Finance
Mortgage calculator
A mortgage payment is more than the loan. Enter the home price, down payment, interest rate, and term to see the principal-and-interest portion, then add your expected property tax and insurance for a realistic monthly total. The calculator uses the standard amortization formula lenders use, so it is a solid starting point before you compare official loan estimates. Remember that a down payment under 20% usually adds private mortgage insurance, and closing costs are separate from everything shown here.
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Enter your details
Mortgage Calculator
Estimate your monthly mortgage payment, including taxes and insurance.
Inputs used
Results
Principal, interest, property tax, and insurance.
Additional notes
Your estimate
Results
Principal, interest, property tax, and insurance.
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Homebuying document organizerKeep lender estimates, notes, and closing paperwork together.Paid link · Check current price ↗As an Amazon Associate I earn from qualifying purchases.The math, plainly
How it works
- 01
The loan amount is the home price minus your down payment.
- 02
Principal and interest use the standard amortization formula: loan × monthly rate ÷ (1 − (1 + monthly rate)⁻ⁿ).
- 03
Property tax and insurance are divided into monthly amounts and added to the payment; escrow for HOA dues or mortgage insurance is not included.
Try a real scenario
$400,000 home
Inputs$80,000 down, 6.5% for 30 years, $3,600 tax, $1,500 insurance
ResultAbout $2,023 principal & interest, or roughly $2,448 total monthly.
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Record loan balance and payment scenarios for comparison.
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