Mortgage Payment Calculator

Estimate mortgage principal and interest payment from home price, down payment, APR, and term.

Finance Updated 2026-05-11

Inputs

Home price ($) Down payment ($) APR (%) Years

Loan amount ($) Enter values to calculate.

Monthly principal and interest ($) Enter values to calculate.

Total interest ($) Enter values to calculate.

loan amount = price - down payment; payment uses the standard amortized loan formula.

Estimate mortgage principal and interest payment from home price, down payment, APR, and term.

A 350000 home with 70000 down leaves a 280000 loan.

Taxes, insurance, HOA dues, and PMI are separate from this principal-and-interest estimate.

Compare terms with the same loan amount before choosing a payment.

What inputs does this calculator need?

Home price, Down payment, APR, Years.

How should I round the result?

Keep extra digits while comparing values, then round for the final decision or report.

Can I reuse the result in another calculation?

Yes, but preserve the original inputs and units so the next calculation stays traceable.

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