Independent financial education. Free calculators. No sign-up required.
Contact

Mortgage Calculator

Educational estimate · Not financial advice

SF
Nobalio Editorial Team
Reviewed for clarity and educational usefulness. Last updated: June 2026.

Estimate a principal and interest payment based on loan amount, interest rate, and term.

Enter your numbers and calculate.
On this pageHow to use itFormula and assumptionsExampleLimitationsRelated resources

How to use this calculator

Enter the amount financed, rate, and term. Remember that taxes, insurance, HOA dues, and PMI may add to the monthly cost.

Formula and assumptions

The calculator uses a standard fixed-rate amortization formula for principal and interest only.

Example

A buyer can estimate the difference between a 15-year and 30-year loan by changing the term.

Limitations

This calculator is for general education only. It is not financial, legal, tax, credit, mortgage, or investment advice.

Calculator FAQ

Are the results exact?

No. Results are estimates based on the inputs and simplified assumptions.

What should I do after calculating?

Use the result to compare scenarios, then verify current rates, fees, taxes, and terms before making decisions.