Mortgage Payment Calculator
Estimate monthly mortgage principal and interest, plus property tax, home insurance and HOA costs.
Set your values
Adjust the values, then calculate your result.
How to use Mortgage Payment Calculator
- Enter the measurements or amounts in the fields above.
- Check that dimensions, rates and units match the labels.
- Select “Calculate monthly payment” to see a clear estimate and the formula used.
How the mortgage payment calculator works
Monthly principal and interest use the standard fixed-rate amortizing loan formula. Property tax, insurance and HOA are added as entered.
Check your measurements and assumptions
Estimate only. It excludes PMI, closing costs, escrow changes, maintenance, and lender-specific fees. Tax and insurance vary by location; compare a lender quote before making a decision.
Review the estimate before you act
Compare this result with an independent measurement, supplier quote or institution guidance when the decision matters. Confirm that the units and assumptions match the labels above, and update the inputs when the conditions change. Keep a note of the values used so you can reproduce the estimate later. This calculator is a planning aid and does not replace professional, product-specific or local guidance.
How do I estimate a monthly mortgage payment?
Enter the financed amount, annual rate and term; the calculator estimates principal and interest, then adds the monthly costs you provide.
Is input uploaded?
Processing takes place in your browser. This tool does not send your input or selected files to a conversion API.