Live amortization calculator
Payment, remaining balance and schedule recalculate as you type — the same engine in the browser as on the server.

Amortization schedule, overpayments and debt-free date in seconds — free and no sign-up required.

From a single loan to your whole portfolio — calculated precisely, without spreadsheet hassle.
Payment, remaining balance and schedule recalculate as you type — the same engine in the browser as on the server.
All loans at a glance: total remaining balance, Σ interest and debt-free date across your whole portfolio.
Which loan to pay off first? Cashcolt shows where every extra euro saves the most interest.
From budget to loan amount or debt-free date — calculated in reverse, no trial and error.
Remaining balance at the end of the fixed-rate period plus a rate stress test: what does a higher follow-up rate really cost?
Complete amortization schedule as CSV — straight into Excel or Numbers.
Every new account has all features free for 30 days. After that, keep going for free or upgrade — cancel anytime.
For your first loan
For your whole household
For advisors & brokers
For teams & institutions
All data lives on servers in Germany. No transfer to third countries.
No cookies, no analytics, no external scripts. Self-hosted fonts instead of a Google CDN.
Export anytime, delete your account yourself. GDPR is the baseline here, not a feature.

Get started for free — no credit card, no installation.
Start for free