Amortization Calculator

Calculate your repayment schedule with monthly payment, remaining debt and extra repayments.

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Share of the loan you repay in the first year

years

Or drag the curve below.

More detailsextra repayment €5,000/year · repay from the start
€

Paid at the end of each year.

Interest-only start

Your monthly payment

per month

€1,375.00

€1,375.00

At 3.5% interest and 2% initial repayment you pay €1,375.00 a month. After the 10-year fixed-rate period, €169,473 is still owed; you are debt-free after 19 years 5 months.

€200,000€400,0000 y5 y10 y15 y20 y25 y
Repaid so farInterest paidRemaining balanceDrag the curve to change the fixed-rate period – the balance is shown above.
  1. 5 y 8 mMore principal than interest
  2. 10 yFixed rate ends (€169,473 left)
  3. 11 y 5 mHalf repaid
  4. 19 y 5 mDebt-free
Balance after 10 years
€169,472.86
Loan
€300,000.00
Total interest
+ €114,444.16
Total you pay
€414,444.16
Total term
19 years 5 months

After 10 years: follow-up financing

Payment afterwards at 3.5% (assumption)Remaining debt over the planned remaining term: 9 years 5 months
€1,762.63
Interest in the follow-up phase
€29,703.84
%

Nobody knows today what the rate will be after the fixed-rate period – try higher and lower values.

What you can do

  • With 3% initial repayment−€20,429 interest

    The payment rises to €1,625.00, you are debt-free 3 years 3 months sooner and owe only €133,615 when the fixed rate ends.

  • Your extra repayment of €5,000 per year−€63,149 interest

    Shortens the term by 9 years 7 months and lowers the balance at the end of the fixed rate by €58,811.

How this was calculated
Payment = €300,000.00 × (3.5% + 2%) ÷ 12
= €1,375.00

Each month: interest = remaining balance × rate ÷ 12; the rest of the fixed payment reduces the loan. Extra repayments lower the balance at the end of each year.

RZ-26 · headon.pro

Understanding your repayment schedule: how your loan works

With an annuity loan, you pay the same instalment every month. This instalment consists of interest and principal repayment. With every payment your remaining debt decreases – and so does the interest portion.

The repayment portion increases in return, so that with an unchanged instalment you pay off your loan faster and faster. This effect is called repayment dynamics.

Key terms for a property loan

Nominal interest rate
The interest rate you pay on the remaining debt. It applies for the fixed-rate period.
Initial repayment rate
The percentage you repay in the first year. It increases over the term.
Fixed-rate period
The period for which the nominal interest rate is guaranteed. Typical: 10-15 years.
Remaining debt
The still outstanding loan amount. It must be refinanced after the fixed-rate period ends.

Example calculation: €300,000 loan

How to optimize your financing

  1. 1Choose a higher repayment rate3% instead of 2% repayment often saves €50,000 or more in interest over the term.
  2. 2Use extra repaymentsAn extra €5,000 a year can shorten the term by 5-8 years.
  3. 3Longer fixed-rate periodWhen interest rates are low, a long fixed-rate period (15-20 years) pays off.
  4. 4Agree on a repayment-rate switch optionFlexibility to adjust the repayment rate if your salary changes.
Example: €300,000, 3.5% interest, 2% repayment
Loan amount
€300,000
Annuity (interest + repayment)
5.5%
Annual payment
€16,500
Monthly instalment
€1,375
Remaining debt after 10 years
€228,000

Extra repayments: the turbo for paying off your debt

Extra repayments are additional payments on top of the regular instalment. Most banks allow 5-10% of the loan amount per year free of charge.

The advantage: every euro of extra repayment saves you interest for the entire remaining term. At 3.5% interest and a remaining term of 20 years, €1 of extra repayment saves about €0.70 in interest.

When extra repayments pay off the most

Early in the term
The earlier you make an extra repayment, the more interest you save.
At high interest rates
At 4% interest, extra repayments pay off more than at 2%.
Instead of a savings account
When your loan interest rate is higher than your savings-account return.
Bonus or inheritance
Invest lump-sum payments directly into paying off your debt.

Frequently asked questions about the repayment schedule

Everything important about annuity, repayment and remaining debt

What is an annuity loan?

An annuity loan has a constant monthly instalment (the annuity) throughout the fixed-rate period. This instalment consists of interest and repayment. With every payment, the remaining debt decreases, which reduces the interest portion and increases the repayment portion.

How high should the initial repayment rate be?

Experts recommend an initial repayment rate of at least 2%, ideally 3-4%. With only 1% repayment and 3% interest, repayment takes over 40 years. With 3% repayment, it takes only about 23 years. The higher the repayment rate, the sooner you are debt-free.

What happens at the end of the fixed-rate period?

Once the fixed-rate period ends (e.g. after 10 years), you must refinance the remaining debt – at the interest rate applicable at that time. This carries an interest-rate risk. A longer fixed-rate period or a higher repayment rate reduces this risk.

How do extra repayments work?

Most banks allow 5-10% extra repayment per year free of charge. These additional payments directly reduce the remaining debt and save significant interest. €5,000 of extra repayment per year can easily save €30,000 in interest over the term.

What is better: a higher repayment rate or extra repayments?

Both make sense, but offer different levels of flexibility. A higher repayment rate is binding and monthly. Extra repayments are voluntary and flexible. If you can save regularly, choose a higher base repayment rate. For irregular payments (bonuses, inheritance), extra repayments are ideal.