Mortgage Calculator

Estimate monthly mortgage payments, interest, and amortization.

Formula & Methodology

M = P × [r(1+r)^n] / [(1+r)^n − 1], where P is the loan amount, r is the monthly rate, and n is the number of payments.

Worked Example

A $300,000 loan at 6.8% for 30 years costs about $1,963/month in principal and interest.

Frequently Asked Questions

What is included in a mortgage payment?

A full payment typically includes principal, interest, property taxes, and insurance (PITI), and may include PMI and HOA dues. This calculator covers only principal and interest.

Is a 15-year or 30-year mortgage better?

A 15-year mortgage has higher payments but far less total interest. A 30-year mortgage offers lower payments and more flexibility. The right choice depends on your cash flow.

Are these results a loan offer?

No. Results are estimates based on a fixed-rate model. Your actual rate and terms depend on your credit, lender, and market conditions.

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