CalcNest AI

Mortgage Calculator

Estimate your monthly mortgage payment including the total interest you will pay over the life of the loan.

About Mortgage Calculator

Estimate your monthly mortgage payment including the total interest you will pay over the life of the loan.

Formula

M = P[r(1+r)^n] / [(1+r)^n – 1]

Example

A $400,000 home with $80,000 down at 6.5% for 30 years = ~$2,023/month.

How to Use

Enter your values in the fields above and click "Calculate" to get instant results. All calculations happen in your browser — nothing is sent to any server.

Frequently Asked Questions

What is Mortgage Calculator?
Estimate your monthly mortgage payment including the total interest you will pay over the life of the loan.

What formula does this use?
This calculator uses: M = P[r(1+r)^n] / [(1+r)^n – 1]

Is this calculator free?
Yes! All calculators on CalcNest AI are 100% free with no account required.

Is my data safe?
Absolutely. All calculations run locally in your browser. We never store or transmit your input data.

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