Mortgage Calculator

Estimate monthly principal and interest, total payments and total interest. Enter principal, annual interest and a term in whole years.

The calculator models equal monthly repayments over the full term. Enter the borrowed principal after any down payment. Treat the result as a principal-and-interest illustration.

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  1. 1Enter details
  2. 2View result

Fixed-rate estimate for principal and interest only. Excludes property tax, insurance, fees and early payments.

Calculation resultLive
Monthly payment
1,199.10
Total payments
431,676.38
Total interest
231,676.38

Your input stays on this device for this operation. We don’t upload or store it.

About Mortgage Calculator

The calculator models equal monthly repayments over the full term. Enter the borrowed principal after any down payment. Treat the result as a principal-and-interest illustration.

Fixed monthly model

Uses equal principal-and-interest payments over the term.

Repayment totals

Shows payment total and interest total.

How to use Mortgage Calculator

  1. 1

    Enter borrowed principal

    Enter the amount borrowed

  2. 2

    Set annual rate and term

    Enter the annual nominal rate and the whole-year term

  3. 3

    Read payment and interest totals

    Review the monthly amount, total payments and interest

Formats and practical limits

Principal, annual percentage and years → three repayment estimates

  • The model divides the annual rate by 12. It excludes property taxes, insurance, fees, early payments and changes in rate.
  • Regional lender conventions can differ. Compare this model with your lender’s quote before relying on the result.

Practical example

With 200,000 principal, 6% nominal annual interest and 30 years, monthly principal and interest is about 1,199.10 in the same currency units.

Further reading

Frequently Asked Questions

1 answers
How does it handle 0% interest?

It divides principal by the number of months. Total interest is zero.