Tools / Rent deposit calculator (Germany, § 551 BGB)
Part of the topic: 🏠 Home, energy & car
Rent deposit calculator (§ 551 BGB)
Enter the net cold rent (without utilities) and the start of the tenancy.
–
☕ Did this calculator help you?
🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Enter the net cold rent.
- Choose the start of the tenancy.
- Read the maximum deposit and the instalment dates.
Your inputs live only in the link, not on our server.
Last checked: October 2026 · Based on: § 551 German Civil Code (BGB). Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
How high may the rent deposit be?
At most three net cold rents – utilities don't count.
Can I pay the deposit in instalments?
Yes, by law in three equal monthly instalments; the first is due when the tenancy starts.


