How to use this calculator

This calculator estimates only principal and interest on a fixed-rate mortgage.

The method

Loan amount = price − down; payment uses standard amortization

Enter your values in the labeled fields and choose Calculate. The result panel shows the answer and supporting values when useful.

WORKED EXAMPLE INPUT

Home price: 350000, Down payment: 70000, Annual interest rate (%): 6.5, Loan term (years): 30

Select Calculate to evaluate these example values.

Scope and limitations

Does not include property tax, insurance, HOA dues, mortgage insurance, closing costs, points, or variable rates. A general planning calculation using only the assumptions you enter. It does not provide tax, legal, credit, or investment advice.

Common questions

Can I use different units?

Use consistent units unless this page is a unit converter. The result follows the units implied by the inputs.

Are results exact?

Displayed values may be rounded. Keep extra precision for important follow-up calculations.

Methods & verification

Formulas use standard mathematical definitions and fixed unit factors where applicable. See our methodology for numerical conventions, rounding, privacy, and limitations.