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Loan Payment Calculator

Estimate monthly payments, total interest, and the remaining balance of a fixed-rate loan.

Enter your assumptions

Change a number. Your estimate updates automatically.

Currency changes formatting only; no exchange conversion.

Use your own assumptions. Review the method and exclusions below.

Your estimated future balance
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Projection over time

Assumes a fixed rate and unchanged payments. Fees and new borrowing are excluded. Actual lender schedules may differ.

View yearly breakdown
Year-end projections (rounded for display)

How this tool works

For a loan with monthly rate i and N payments, payment = P × i / [1 − (1 + i)^(−N)]. At a zero rate, payment = P / N. The schedule applies interest monthly and assumes end-of-month payments.

Try an example

Try a loan amount of 25,000, an annual rate of 6.5%, and a five-year term. Change the term to see the trade-off between monthly payment and total interest.

Questions & assumptions

Does this include lender fees?

No. The rate is a fixed annual interest rate divided by 12 for monthly interest. Origination charges and other fees are excluded, so this is not a lender APR disclosure.

Can I export the calculation?

Yes. Download CSV includes inputs and projections. You can also print the results.

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