Money tool

Loan Repayment & Overpayment Calculator

Estimate fixed-rate loan repayments, compare two loans and see how extra monthly payments affect your payoff time and total interest. Download a monthly repayment schedule.

Use the fixed annual interest rate charged on the balance, not a flat rate or an APR that includes fees. 12 months = 1 year; 60 months = 5 years.

Your loan

Extra payments start with month 1 and reduce the term, not the regular payment. Upfront fees are added to the overall cost, not financed or included in the repayments.

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Good to know

How this tool works

Estimate fixed-rate loan repayments, compare two loans and see how extra monthly payments affect your payoff time and total interest. Download a monthly repayment schedule. Work through the labelled controls, review the result in the preview and reset the tool whenever you want to begin again.

Use the result as a guide.Check important financial, tax or contractual decisions with the relevant provider or a qualified professional.

Frequently asked questions

What is Loan Repayment & Overpayment Calculator useful for?

Compare loan repayments, interest and savings from extra payments. Try more than one realistic set of figures and verify important decisions with the relevant provider or adviser.

Is my information stored?

This tool works in your browser. The information you enter is not sent to us or saved in an account by this tool.

How accurate is the result?

The calculation follows the assumptions shown on the page. Rounding, provider methods and real-world charges can produce small differences.