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Loan Repayment Calculator

Estimate monthly loan payments, total interest, and the payoff impact of extra payments.

Common questions

About this calculator

Is this for mortgages too?

It works for any amortizing loan. For home loans with taxes, insurance, or fees, use the mortgage calculator as a broader estimate.

What happens if I pay extra each month?

Extra payments reduce principal faster, which usually shortens the term and lowers total interest.

The scheduled payment uses the standard amortizing loan payment formula.

Extra payments are applied monthly after interest is charged.

Total interest is estimated over the full repayment schedule.

Educational planning estimate. It does not replace an official calculation or individualized financial, tax, or legal advice.

Estimate when a debt can be paid off and how much interest extra payments can save.

Estimate a mortgage payment for a Portugal property purchase, including down payment and monthly ownership costs.

Compare your needs, wants, and savings against the 50/30/20 budgeting guideline.