Loan Calculator

Compute the monthly payment, total interest cost and amortization schedule of your annuity loan.

Monthly payment€1,787.21
Term
15 years
Total interest
€71,697.14
Chart values as a table
YearRemaining debt
1€237,098
2€223,737
3€209,901
4€195,572
5€180,734
6€165,369
7€149,456
8€132,978
9€115,914
10€98,243
11€79,943
12€60,992
13€41,368
14€21,045
15€0

Remaining-debt development over the term

Extra repayments
Show details table
YearInterestRepaymentRemaining debt
1€8,544.33€12,902.14€237,097.86
2€8,085.44€13,361.03€223,736.83
3€7,610.23€13,836.24€209,900.58
4€7,118.12€14,328.36€195,572.23
5€6,608.50€14,837.97€180,734.25
6€6,080.76€15,365.71€165,368.54
7€5,534.25€15,912.23€149,456.32
8€4,968.30€16,478.17€132,978.14
9€4,382.22€17,064.25€115,913.89
10€3,775.30€17,671.18€98,242.71
11€3,146.79€18,299.69€79,943.03
12€2,495.93€18,950.55€60,992.47
13€1,821.91€19,624.56€41,367.91
14€1,123.93€20,322.55€21,045.36
15€401.12€21,045.36€0.00

Understanding loan payments and interest cost

The monthly payment of an annuity loan stays constant, but its composition shifts: at first you mostly pay interest, later repayment dominates. The amortization schedule shows how your remaining debt falls over the years.

The calculator breaks the payment down into its interest and repayment portions and sums the total interest cost over the term. So you see not just what you pay monthly, but what the loan costs overall.

How the payment is composed

The annuity – your constant payment – consists of interest and repayment. The interest is calculated each month on the outstanding remaining debt. Because that debt falls through repayment, the interest portion shrinks month by month and the repayment portion grows accordingly.

This produces the typical pattern: at the start most of your payment goes to interest, towards the end almost all of it to repayment. It is exactly this shift that accelerates debt reduction later in the term.

Repayment rate and extra repayments as levers

The initial repayment rate sets the pace: with a 2% repayment instead of 1% you are debt-free much sooner and save considerable interest cost – the monthly payment rises accordingly. In times of higher interest rates the effect is especially large.

Extra repayments act directly on the remaining debt and therefore disproportionately on the interest saved. Enter planned extra repayments in the calculator to see how the term and interest cost shorten.

Nominal rate, APR and fixed-rate period

The nominal rate is the pure interest rate on the loan. The annual percentage rate (APR) additionally includes certain incidental costs and is therefore the better measure for comparing offers. This calculator works with the nominal rate.

For property loans the rate is usually fixed only for a certain period (e.g. 10 or 15 years). After that, follow-up financing runs at the conditions valid then – an important uncertainty that a pure payment calculation does not capture.

Frequently asked questions

What is an annuity loan?

With an annuity loan you pay a constant monthly amount over the entire term. The interest portion falls with the remaining debt, while the repayment portion rises accordingly.

What does nominal interest rate mean?

The nominal rate is the pure interest rate of the loan. The annual percentage rate (APR) additionally includes certain costs and is more meaningful for comparison.

How does the term affect the cost?

A longer term lowers the monthly payment but increases the total interest cost. A higher repayment rate shortens the term and saves interest.

How much does an extra repayment save?

An extra repayment immediately reduces the remaining debt on which future interest accrues. Used early in the term in particular, it saves a disproportionate amount of interest and noticeably shortens the overall term. The calculator shows the exact amount.

What repayment rate makes sense?

As a guide, property loans often use an initial repayment of at least 2% to avoid financing over many decades. The higher the repayment, the sooner you are debt-free – but the payment must remain affordable for the long term.

What happens after the fixed-rate period?

If the loan is not yet repaid at the end of the fixed-rate period, follow-up financing continues at the interest rates valid then. Rising rates can increase the payment considerably – plan a buffer for this.