Loan Calculator

Monthly payment, total interest — and what a +1 or +2 percentage point rate rise would do to it.

%
yr
Monthly payment€1,001.25/ mo
Total interest€100,374
Total paid€300,374
Principal€200,000Interest€100,374

Rate sensitivity

Payment if rate +1 pp€1,111.66 / mo
Payment if rate +2 pp€1,228.17 / mo

Annuity loan: fixed monthly payment for the whole term at the current rate. Does not include margin changes, payment holidays or fees.

Pure mathematics — no annually updated constants.

Look at the interest, not just the payment

Over a long loan, total interest surprises: a 25-year mortgage at 3.5% costs roughly half the loan amount in interest. The bar shows principal versus interest — the true price of the loan that the monthly payment hides.

The sensitivity rows are the most important part. If a +2 point rise would push your payment to an uncomfortable level, the loan is too large or the term wrong — stress test your finances before the bank does it for you.

Annuity vs. straight-line amortization?

An annuity keeps the payment constant (interest share falls, principal share grows). Straight-line starts higher and decreases — total interest ends up slightly lower.

Why show payments at higher rates?

With a variable-rate loan the reference rate can rise. The +1/+2 pp rows show whether your budget survives it.

Does the payment include the bank margin?

Enter reference rate + margin as the annual rate. The calculator adds nothing on top.