Benefit in kind for a company car in Germany: 1 % rule, commute supplement, 0.25 % for electric cars (list price up to €100,000) and the estimated net cost.

Open tool →📈

German Vorabpauschale calculator 2026 (ETF advance lump sum)

How much tax your broker will deduct for ETFs in January 2027: Vorabpauschale 2026 with the base rate of 3.20 %, partial exemption and saver's allowance.

Open tool →🧓

German care allowance calculator 2026 (Pflegegeld)

Pflegegeld 2026 by care grade, combined with care services (Kombinationsleistung) and the €131 relief amount.

Open tool →🎁

German gift tax calculator with 10-year planner (Schenkungsteuer)

Gift tax in Germany 2026 – with earlier gifts from the same person within 10 years, remaining allowance and the date it renews.

Open tool →📈

German index rent calculator (Indexmiete)

Check an index-rent increase in Germany: new rent from the consumer price index, earliest date and the 12-month rule.

Open tool →🏡

Rent or buy calculator Germany

Rent and invest, or buy with a mortgage? Compare your wealth after 10–40 years with German purchase costs.

Open tool →⚖️

Unit price comparison (price per kg / litre)

Which pack is cheaper? Compare up to three products by price per kg, litre or piece.

Open tool →🏠

Rent increase check (Germany, § 558 BGB)

Is a rent increase to the local comparative rent allowed? Check the 20 %/15 % cap, the 15-month rule and the Mietspiegel limit.

Open tool →🔑

Rent deposit calculator (Germany, § 551 BGB)

Maximum rent deposit (3 × net cold rent), the three instalments with due dates and the interest you get back.

Open tool →🏖️

Withdrawal plan calculator

How long does your savings pot last with a monthly withdrawal – or how much can you withdraw for a set number of years?

Open tool →🏢

Rental yield calculator

Gross and net rental yield of a buy-to-let property, purchase price factor and cash-on-cash return on your equity.

Open tool →👵

Aktivrente calculator 2026 (tax-free €2,000)

Working past retirement age in Germany? From when the €2,000 a month is tax-free, how much of your wage stays tax-free and a rough tax saving.

Open tool →🏥

Care home co-payment calculator (Germany)

What a German care home really costs you: care co-payment minus the surcharge after 12/24/36 months, plus board, lodging and investment costs.

Open tool →💳

PayPal fee calculator (Germany)

PayPal fees for goods & services, business payments and international – and what to charge.

Open tool →🧾

Invoice generator with payment QR

Create a professional invoice with VAT or small-business note and an EPC payment QR – save as PDF.

Open tool →🏡

Mortgage calculator (German style)

Monthly rate from interest and initial repayment, remaining debt after the fixed-rate period, payoff time.

Open tool →📉

Inflation calculator (Germany & US)

What money from a past year is worth today – German consumer price index and US CPI.

Open tool →🏛️

German inheritance & gift tax calculator

Tax class, allowance and inheritance or gift tax in Germany – including hardship relief between brackets.

Open tool →💳

Instalment & 0% financing calculator

What does buy-now-pay-later or 0% financing really cost? Monthly rate, total cost and the lost cash discount.

Open tool →🧮

German income tax calculator 2026

Income tax, solidarity surcharge and church tax from your taxable income – single or joint assessment, with marginal tax rate.

Open tool →📈

Savings plan calculator (ETF)

How much will your monthly ETF savings plan grow to? With start capital, annual increase and an estimate after German tax.

Open tool →👵

Pension gap calculator (Rentenlücke)

How big will your pension gap be – and how much do you need to save each month to close it?

Open tool →🏷️

Discount calculator

Sale price and savings from a percentage discount – with double discounts and the original price from a sale price.

Open tool →💹

German capital gains tax calculator (Abgeltungsteuer)

Tax on interest, dividends and share or ETF gains – with saver's allowance, partial exemption and church tax.

Open tool →🦷

German dental cost calculator (crown, bridge, implant)

What will a crown, bridge, implant or denture cost you with statutory insurance? Fixed subsidy 2026 and 2027, bonus booklet and your share.

Open tool →🏦

German savings account (Tagesgeld) interest calculator

Interest on a German instant-access savings account after tax: compounding, monthly savings, saver's allowance, withholding tax and church tax.

Open tool →⛪

German church tax calculator 2026

Church tax (Kirchensteuer) 2026 from your taxable income: 8 or 9 %, child allowances, the cap (Kappung) and what leaving the church would save.

Open tool →🪙

German crypto tax calculator 2026

Tax on Bitcoin & crypto gains in Germany: 1-year holding period, €1,000 exemption limit, staking income and your personal tax rate.

Open tool →📒

50-30-20 budget calculator

Split your net income into needs, wants and savings with the 50-30-20 rule – and compare it with what you actually spend.

Open tool →🧒

Frühstartrente calculator (Germany)

What the state's €10 a month grows to by 65 – and how your own top-ups compare with an ETF depot for your child, after costs, tax and inflation.

Open tool →📅

German tax return deadline calculator

Deadline for your German tax return 2021–2026 – mandatory or voluntary, with or without tax advisor – and the late-filing surcharge.

Open tool →🏷️

Real discount checker (Black Friday)

Is the Black Friday discount real? Compare the sale price with the crossed-out price and the lowest price of the last 30 days.

Open tool →

Work & salary

💶

German salary calculator 2026 (gross to net)

Net pay after income tax, solidarity surcharge, church tax and social insurance – official 2026 formula.

Open tool →🎄

Christmas bonus net calculator 2026

How much of your Christmas bonus (Weihnachtsgeld) is left after tax and social insurance?

Open tool →💸

Tax refund calculator 2026 (employees)

Estimate your German tax refund: work expenses, commuting, home office, donations, tradesmen and household services.

Open tool →👶

German parental allowance calculator (Elterngeld)

Estimate Basiselterngeld and ElterngeldPlus from your income – with part-time work, sibling bonus and twins.

Open tool →⏱️

Working hours calculator

Hours worked per day and week, with breaks, decimal hours and overtime.

Open tool →💼

Hourly wage & minimum wage check (Germany)

Monthly salary ⇄ hourly wage, German minimum wage check and Minijob hours.

Open tool →🌴

Vacation entitlement calculator (Germany)

Paid leave for part-time work and for joining or leaving mid-year (BUrlG).

Open tool →🪜

Midijob calculator 2026/2027 (transition zone)

Midijob between €603.01 and €2,000 (2027: from €633.01): reduced employee social contributions, employer share and the saving compared with a regular job.

Open tool →📈

Salary raise net calculator 2026 (Germany)

How much of a pay rise is left after tax and social security? Old vs new gross and net with the official 2026 formula.

Open tool →⏱️

Overtime pay calculator (Germany)

What are your overtime hours worth? Hourly wage from your monthly salary, optional surcharge – gross and estimated net.

Open tool →🏖️

Payout for untaken leave calculator (Germany)

Leaving your job with vacation days left? Daily rate from the last 13 weeks and the gross payout under § 7(4) BUrlG.

Open tool →🤒

German sick pay calculator 2026 (Krankengeld)

Statutory sick pay in Germany 2026: gross and net Krankengeld per day and month, start after 6 weeks and the 78-week limit.

Open tool →📑

Severance pay tax calculator (Germany)

Estimate the tax on a German severance payment with and without the one-fifth rule (2026 tariff).

Open tool →⚖️

Wage garnishment calculator (Germany)

How much of your net income can be garnished – official exemption limits from 1 July 2026.

Open tool →🩺

Health insurance additional rate comparison (Germany)

Compare the 2026 Zusatzbeitrag of 50+ statutory health insurers and see your yearly saving.

Open tool →🚗

Commuter allowance & work expenses calculator 2026

German commuter allowance (38 ct from the first km), home-office allowance and your estimated tax saving.

Open tool →🧭

German unemployment benefit calculator 2026 (ALG I)

Estimate your Arbeitslosengeld I per day and month from your last gross salary – official 2026 calculation method.

Open tool →📨

German notice period calculator (§ 622 BGB)

When does your employment end? Statutory notice periods for employees and employers – with the latest delivery date.

Open tool →🧓

German retirement age calculator

When can you retire in Germany? Standard pension age, early retirement after 35 or 45 years and the deduction.

Open tool →🤰

Due date & maternity protection calculator (Germany)

Estimated due date, current week of pregnancy and the German maternity protection period (Mutterschutz) with key deadlines.

Open tool →💍

Tax class calculator for married couples (III/V or IV/IV)

Which tax-class combination gives you more net pay each month? Compare IV/IV, III/V and V/III with the official 2026 formula.

Open tool →🏖️

German pension net calculator 2026

How much of your statutory pension is left after health and care insurance and income tax?

Open tool →⏳

Part-time salary calculator 2026 (Germany)

What do you earn gross and net if you reduce your hours? Full-time vs part-time with the official 2026 formula.

Open tool →👨‍👩‍👧

German child benefit (Kindergeld) calculator 2026

Kindergeld 2026 for your children and whether the child allowance (Kinderfreibetrag) would save you more tax.

Open tool →🧾

Minijob calculator 2026/2027

Does your mini-job stay under the €603 (2026) or €633 (2027) limit? Hours, hourly wage, pension contribution and the maximum hours at minimum wage.

Open tool →⚖️

German child maintenance calculator 2026 (Düsseldorfer Tabelle)

Child support in Germany 2026: table amount, Kindergeld credit and the amount to pay per child – with the self-retention check.

Open tool →🍼

German parental leave (Elternzeit) deadline calculator

When you must request parental leave in Germany, when dismissal protection starts and how much of your 36 months is left.

Open tool →

Dates & calendar

🕒

Clock change 2026 in Germany & Europe

When do the clocks change? Countdown, exact dates until 2030 and whether you gain or lose an hour.

Open tool →📅

What week is it? (ISO week number)

Today's ISO week number, date ⇄ week converter and a full week calendar.

Open tool →🗓️

Date calculator & working days

Days between two dates, add or subtract days, and working days excluding German holidays.

Open tool →🏖️

German holidays & bridge days

Public holidays for every German state plus the best bridge days to maximise time off.

Open tool →⏳

Countdown: days until…

How many days until Christmas, New Year, Easter or any date you choose.

Open tool →🎂

Age calculator

Exact age in years, months and days – plus your next birthday.

Open tool →🤰

Pregnancy week & due date calculator

Current pregnancy week (e.g. 12+3), due date, trimester and the start of maternity protection – from your last period.

Open tool →🕒

Time calculator (add hours & minutes)

Add or subtract times like 7:45 + 3:30, sum a list of durations and convert to decimal hours.

Open tool →📅

Day of the week calculator

Which weekday was or is a date? With calendar week, day of the year and days from today.

Open tool →🏖️

School holidays 2026/2027 in Germany (all states)

Autumn, Christmas, winter, Easter, Whitsun and summer holidays 2026/27 for all 16 German states – with countdown and calendar download (.ics).

Open tool →

Energy, car & travel

☀️

Balcony solar (plug-in PV) calculator

Yield, savings and payback time of a plug-in solar system.

Open tool →🚆

Deutschlandticket savings calculator

Is the €63 Deutschlandticket worth it for you? Compare with single tickets.

Open tool →⛽

Fuel cost calculator

Trip fuel cost, cost per person and per 100 km – petrol, diesel or EV.

Open tool →🔌

Electricity cost calculator

What a device costs per day, month and year – incl. standby.

Open tool →🎨

Paint calculator

How much wall paint do you need? Room size, doors, windows and coats.

Open tool →🧱

Tile & flooring calculator

Tiles, laminate or vinyl: area, number of tiles and packs – including cutting waste.

Open tool →🔥

Heating cost calculator (gas, oil, heat pump)

Annual heating costs and monthly instalment from consumption or living space – gas, oil, district heating or heat pump.

Open tool →🚗

Stopping distance calculator

Reaction distance, braking distance and total stopping distance by speed – driving-school rules and physics, dry or wet road.

Open tool →🚙

Car leasing factor calculator

Is a car lease a good deal? Leasing factor, total cost over the term and cost per month including down payment.

Open tool →🔌

EV charging cost & time calculator

What does charging your electric car cost at home or at a public charger – and how long does it take? Per charge and per 100 km.

Open tool →🛞

Tyre size calculator

Compare two tyre sizes like 205/55 R16 and 225/45 R17: diameter, circumference, difference in % and speedometer deviation.

Open tool →🚓

German traffic fine calculator (Bußgeld)

Speeding, red light or tailgating in Germany: fine, points in Flensburg and driving ban from the official catalogue – plus fees.

Open tool →🚗

German car tax calculator (Kfz-Steuer)

Annual vehicle tax for petrol, diesel and electric cars registered since July 2009.

Open tool →🌡️

CO2 price calculator 2027 (heating & fuel)

How much does the German CO2 price add to your gas, heating oil, petrol or diesel bill in 2026 and 2027?

Open tool →🏠

Service charge statement check (Nebenkosten)

Check your German service-charge statement: compare every item with the national average and spot common errors.

Open tool →🚗

Car sale contract (Germany, private)

Create a German private car sale contract (Kfz-Kaufvertrag) with warranty exclusion – print or save as PDF.

Open tool →🚗

German car insurance cancellation deadline

Last day your cancellation must reach the insurer – regular switch, premium increase, after a claim or after buying a used car.

Open tool →

QR codes, banking & IDs

▦

QR code generator

Static QR codes for links, Wi-Fi, contacts and more – free, never expire.

Open tool →🔑

Password generator

Strong random passwords and bulk lists, generated securely in your browser.

Open tool →💶

EPC QR code (GiroCode) generator

SEPA payment QR for invoices – customers scan and pay in their banking app.

Open tool →🏦

IBAN checker

Validate any IBAN with its check digits and format it correctly.

Open tool →🪪

German tax ID (Steuer-ID) checker

Check whether a German tax identification number is formally valid.

Open tool →🛡️

Password strength checker

How strong is your password? Entropy, estimated cracking time and concrete tips – checked locally.

Open tool →▮▯▮

Barcode generator (EAN-13, EAN-8, Code 128)

EAN-13/EAN-8 with check digit and Code 128 – PNG & SVG download.

Open tool →🇪🇺

EU VAT ID format checker

Check the format of EU VAT IDs (and German check digit) before using VIES.

Open tool →

Text, code & images

📝

CV builder (German Lebenslauf)

Create a professional CV in German or English – 2 designs, photo, PDF download. Free, no sign-up, nothing uploaded.

Open tool →⇆

Diff checker: compare text & code

See every added, removed and changed line and word – side by side.

Open tool →🧩

Merge PDF

Combine several PDFs into one file – sort them first. Free, no upload, no watermark.

Open tool →✂️

Split PDF

Extract pages or split a PDF into single pages or chunks – free, without upload.

Open tool →🔢

Word & character counter

Count words, characters, sentences and reading time as you type.

Open tool →🖼️

Image compressor & resizer

Shrink JPG, PNG and WebP images without uploading them.

Open tool →{ }

JSON formatter & validator

Beautify, minify and validate JSON with exact error positions.

Open tool →🔣

Base64 & URL encoder/decoder

Encode or decode Base64, URL and HTML entities – UTF-8 safe.

Open tool →Aa

Case converter

UPPER, lower, Title, Sentence, camelCase, snake_case and more.

Open tool →⬇️

Download time calculator

How long does a download or upload take at your internet speed? File size in MB/GB, speed in Mbit/s.

Open tool →💻

Number base converter (binary, hex, octal)

Convert between decimal, binary, hexadecimal, octal and any base from 2 to 36 – also for large numbers.

Open tool →🧹

Text cleaner: remove duplicates, sort lines

Remove duplicate lines, sort A–Z, trim spaces, delete empty lines, number lines and find & replace – in your browser.

Open tool →🔄

Rotate, delete & reorder PDF pages

See page previews, rotate pages, delete pages or change the order – then download. No upload.

Open tool →🖼️

PDF to JPG

Convert every PDF page into a JPG image in the quality you need – free, without upload.

Open tool →🗜️

Compress PDF

Make scanned and image-heavy PDFs smaller for email and upload portals – without uploading them.

Open tool →🔢

Add page numbers to PDF

Number the pages of a PDF – position, format ('Page 1 of 9'), start number and first page to number. Free, no upload.

Open tool →💧

Add watermark to PDF

Put a text watermark like 'COPY' or 'CONFIDENTIAL' on every page of a PDF – diagonal or horizontal, any opacity. No upload.

Open tool →🖼️

Image converter (PNG, JPG, WebP)

Convert images between PNG, JPG and WebP – several at once, with quality setting and ZIP download. No upload.

Open tool →📄

Image to PDF converter

Turn JPG, PNG or WebP images into one PDF – no upload.

Open tool →#️⃣

Hash generator (MD5, SHA-256…)

MD5, SHA-1, SHA-256, SHA-384 and SHA-512 for text or files.

Open tool →🆔

UUID / GUID generator

Random version-4 UUIDs in bulk – with or without hyphens.

Open tool →🎨

Colour converter & contrast checker

HEX ⇄ RGB ⇄ HSL and WCAG contrast ratio with AA/AAA pass/fail.

Open tool →🔊

Text to speech (read aloud)

Have any text read aloud with your device's voices – speed and pitch adjustable.

Open tool →¶

Lorem ipsum generator

Placeholder text by paragraphs, sentences or words – plain or HTML.

Open tool →✍️

Signature maker

Draw your signature and download it as a transparent PNG.

Open tool →✏️

Edit PDF: add text, signature & white-out

Fill in forms, add text, dates and your signature to a PDF or white out content – in your browser.

Open tool →🖊️

Sign PDF online

Draw your signature and place it in any PDF – free, no upload, no account.

Open tool →🪄

Photo editor online

Crop, rotate, resize and adjust brightness, contrast and colour – then save as JPG, PNG or WebP.

Open tool →📐

Image resizer

Change image size in pixels with or without keeping proportions – and save as JPG, PNG or WebP.

Open tool →✂️

Crop image online

Crop photos freely or to 1:1, 4:3, 16:9, 4:5 or 9:16 – and download in full quality.

Open tool →🪪

Passport photo maker (35 × 45 mm)

Crop a portrait to 35 × 45 mm or 2 × 2 in with face guides – single photo and a 10 × 15 cm print sheet.

Open tool →🎥

Screen recorder online

Record your screen, a window or a browser tab with microphone – free, no install, no watermark.

Open tool →🗣️

Speech to text (dictation)

Dictate instead of typing – live transcription in 12 languages, copy or download as text.

Open tool →🛠️

Profile picture prompt builder

Pick style, background, clothing and format – get a ready AI prompt for your profile picture or headshot.

Open tool →

Everyday & school

✉️

Cancellation letter generator (Germany)

Ready-to-send German cancellation letters for phone, internet, gym, energy, insurance, subscriptions, rent and job.

Open tool →🎲

Random number & name picker

Random numbers, dice, coin flips and picking names from a list – fair and private.

Open tool →🎓

Grade average calculator

Weighted grade average for German grades (1–6) or any scale.

Open tool →⚖️

BMI calculator

Body mass index with the WHO categories – metric or imperial.

Open tool →🌸

Ovulation calculator

Estimate your fertile days, ovulation and next periods from your cycle.

Open tool →🥗

Calorie calculator (BMR & TDEE)

Basal metabolic rate and daily calorie needs by activity level – with targets to maintain, lose or gain.

Open tool →😴

Sleep calculator (sleep cycles)

When to go to bed or set your alarm so you wake up at the end of a sleep cycle.

Open tool →🐶

Dog & cat age in human years

How old is your dog or cat in human years? By size, with the common vet rule of thumb.

Open tool →🏃

Running pace calculator

Pace per km, speed and finish-time predictions for 5K, 10K, half marathon and marathon.

Open tool →👟

Shoe & clothing size converter (EU/UK/US)

Convert shoe sizes between EU, UK and US and women's clothing sizes between DE, UK, US and letters.

Open tool →🧮

Scientific calculator online

Free online calculator with brackets, powers, roots, percent, sin/cos/tan, log and π – type or click.

Open tool →🍺

Blood alcohol calculator (per mille)

Estimate your blood alcohol level after drinks and when it is back to 0.0 ‰ – with the German legal limits. An estimate only.

Open tool →➗

Fraction calculator

Add, subtract, multiply and divide fractions and mixed numbers – simplified result with steps and decimal value.

Open tool →📐

Area calculator (m²)

Square metres of rooms and shapes – rectangle, L-shape, triangle, circle, trapezoid – plus perimeter.

Open tool →📊

Average calculator (mean, median)

Mean, median, mode, min/max, sum, standard deviation – and weighted average – from a list of numbers.

Open tool →🏛️

Roman numerals converter

Convert numbers to Roman numerals and back (1–3,999) – with the step-by-step breakdown.

Open tool →🐈

Cat age calculator (human years)

How old is your cat in human years? Based on the feline life-stage guidelines – with life stage and tips.

Open tool →🧊

Volume calculator (m³ & litres)

Volume of a box, cube, cylinder, sphere, cone or pyramid – in cubic metres and litres.

Open tool →√

Root, power & logarithm calculator

Square root, cube root, n-th root, powers and logarithms (log, ln, any base) in one place.

Open tool →🔢

Rounding calculator (decimals & significant figures)

Round to decimal places, significant figures, the nearest 5, 10 or 100 – plus scientific notation.

Open tool →🔤

Number to words converter

Write numbers out in words in English and German – also as an amount with euros/dollars and cents for cheques and invoices.

Open tool →🤝

Split costs calculator (who owes whom)

Split shared costs for trips, flat-shares or parties: who paid what, everyone's share and the fewest transfers to settle up.

Open tool →🎂

Baking tin converter

Convert a recipe from one cake tin to another – round or rectangular – and scale every ingredient.

Open tool →🗺️

Scale calculator (maps & models)

Convert between map or plan distance and real distance for any scale like 1:25,000 or 1:87 – or find the scale.

Open tool →📏

Body fat calculator (US Navy method)

Estimate your body fat percentage from height, neck, waist (and hip) with a tape measure – with ACE categories.

Open tool →📝

Grading scale calculator (German grades)

Turn points into German grades 1–6: IHK scale, linear scale or your own pass mark – with a full point table for teachers.

Open tool →📈

Quadratic equation solver

Solve ax² + bx + c = 0 with the quadratic formula (and the German pq formula) – with steps, discriminant and vertex.

Open tool →🔣

Prime factorization, GCD & LCM

Prime factors of a number, prime check, greatest common divisor and least common multiple of several numbers.

Open tool →❤️

Heart rate zone calculator

Maximum heart rate and training zones (fat burning, endurance, threshold) – with the Karvonen formula if you know your resting pulse.

Open tool →🎁

Secret Santa generator

Draw Secret Santa pairs online – nobody gets themselves, optional exclusions for couples, with a private reveal link per person. No sign-up.

Open tool →🎓

German Abitur grade calculator (Abi-Schnitt)

Turn your Abitur points (300–900) into the final grade – and see how many points you need for 1.0, 1.5 or 2.0.

Open tool →📏

Unit converter

Length, weight, volume, area, speed, data, energy, pressure and temperature.

Open tool →🌍

Time zone converter

Convert a date and time between time zones – with daylight saving time.

Open tool →⏲️

Timer, stopwatch & Pomodoro

Countdown timer with alarm, stopwatch with laps and a Pomodoro focus timer.

Open tool →🍽️

Tip calculator & bill splitter

Tip amount, total and each person's share – with rounding.

Open tool →🧾

Receipt template (Quittung)

Create a German receipt (Quittung) with VAT and amount in words – print or save as PDF.

Open tool →🤝

Power of attorney template (Vollmacht)

Simple German power of attorney: collect parcels, deal with authorities, car registration, flat handover.

Open tool →⏰

Payment reminder template (Mahnung)

German payment reminder, first and final dunning letter with amount, fee and new deadline – as PDF.

Open tool →🔑

Flat handover checklist (Übergabeprotokoll)

German flat handover protocol for moving in or out: meter readings, keys, room condition, defects – print or PDF.

Open tool →🎸

Online guitar tuner

Tune your guitar with your microphone – note, frequency and cents, plus reference tones for standard tuning.

Open tool →📷

Webcam test

Check if your webcam works – live image, resolution, frame rate and a snapshot, without installing anything.

Open tool →🎙️

Microphone test

Check if your microphone works – live level meter, device selection and a 5-second recording to play back.

Open tool →🐕

Dog surgery cost calculator (Germany)

Typical vet costs for common dog operations under the German fee schedule (GOT), emergency surcharge and what an OP insurance would leave you to pay.

Open tool →🗣️

Language learning time calculator (A1–C2)

How many hours and months until A2, B1, B2 or C1? Estimate for 16 languages based on Cambridge guided learning hours and FSI difficulty.

Open tool →📝

Report comment prompt generator

Build an AI prompt for school report comments – learning behaviour, social behaviour, subjects. Privacy-safe with placeholders.

Open tool →✉️

Parent letter prompt generator

Prompt for clear parent letters – trips, parents' evening, information – optionally in plain language and with translation.

Open tool →📚

Lesson plan prompt generator

Prompt for a complete lesson plan as a table – phases, methods, differentiation, exit ticket.

Open tool →🧾

Worksheet prompt generator

Prompt for worksheets with answer key – mixed tasks, 3 levels, language support.

Open tool →📏

Rubric prompt generator

Prompt for assessment rubrics and expected answers – grades, points or levels.

Open tool →🧪

Test & quiz prompt generator

Prompt for class tests, quizzes and practice tests with points and answer key.

Open tool →🏛️

Letter to authorities prompt generator

AI prompt for letters to German authorities – objection, deadline extension, request, reminder. With placeholders instead of real data.

Open tool →✍️

Writing prompt generator

Random story, opinion, diary and poem prompts by genre and age – fantasy, mystery, funny, Halloween, winter.

Open tool →📓

Journal prompt generator

Random journaling prompts – gratitude, self-discovery, calm, goals, relationships and self-reflection. Daily prompt included.

Open tool →🎨

Drawing prompt generator

Random drawing ideas: subject + style + twist. Make a 31-day challenge list (great for Inktober or Drawtober).

Open tool →

Business & accounting

📉

Depreciation calculator Germany (AfA)

Straight-line or 30 % declining-balance depreciation (AfA) with monthly pro-rata first year and a year-by-year schedule.

Open tool →🧾

Cash discount calculator (Skonto)

Discount amount, amount to pay and the effective annual interest rate of not taking the cash discount.

Open tool →⏰

Late payment interest calculator (§ 288 BGB)

Default interest on unpaid invoices: base rate + 5 or + 9 points, split by half-year periods, with the €40 flat fee.

Open tool →🏷️

Markup & margin calculator

Purchase price, markup, margin and selling price incl. VAT – calculate in any direction.

Open tool →🚚

Loading metre calculator (LDM)

Loading metres for pallets and goods on a truck – Euro pallets, industrial pallets, custom sizes, stackable.

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Volumetric weight calculator

Volumetric (dimensional) weight of parcels and air freight – and which weight the carrier will charge.

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Food cost & menu price calculator (restaurants)

Food cost percentage and menu price for restaurants – with 7 % VAT on food and 19 % on drinks (Germany 2026).

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Hourly rate calculator for freelancers

The net hourly rate you need as a freelancer or tradesperson – from target income, costs, insurance and billable hours.

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Break-even & contribution margin calculator

Contribution margin per unit, break-even quantity and revenue, and profit at your planned sales.

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Trade tax calculator (Gewerbesteuer)

German trade tax from profit and municipal rate – with the €24,500 allowance and the credit against income tax (§ 35 EStG).

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Construction & engineering

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🏢 Calculators for your website (white-label) →