Finance calculator
United StatesUS Mortgage Calculator
Estimate a US-style monthly mortgage payment with principal and interest, down payment, property tax, homeowner insurance, PMI or mortgage insurance, HOA dues, total P&I payments, payoff date, amortization tables, charts, and optional extra principal payment.
Country Mortgage Calculators
Use the mortgage version that matches local loan language
Mortgage formulas are similar, but the labels and recurring costs differ by country. Choose the page that matches your loan market before comparing repayments, fees, and amortization.
US Mortgage CalculatorTaxes, insurance, PMI, HOA dues, payoff date, and amortization tables.
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Canada Mortgage CalculatorDown payment, property tax, insurance, condo fees, extra payments, and amortization.
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NZ Mortgage Repayment CalculatorDeposit, rates, insurance, body corporate fees, extra repayments, and amortization.US home loan planning
Estimate the full US monthly mortgage payment, not only principal and interest
A useful US mortgage calculator should show more than the basic principal-and-interest payment. This page lets you enter a home price or mortgage loan amount, down payment, mortgage rate, loan term, annual property tax, homeowner insurance, monthly PMI or mortgage insurance, HOA dues, and extra monthly principal payment.
The first result is the estimated US monthly housing cost, so people searching for a mortgage calculator with taxes and insurance can see the full monthly payment picture. The principal-and-interest result remains visible separately because it is the fixed amortized payment lenders use before escrow items, insurance, association dues, and optional prepayments.
The amortization section shows total principal-and-interest payments, estimated payoff date, balance after five years, annual payment summaries, a full monthly amortization table, and charts for principal versus interest and remaining balance. If you add an extra monthly principal payment, the schedule updates so early payoff and interest savings are visible in the same flow.
Use the result to compare 15-year and 30-year US mortgages, different down payment amounts, rate changes, PMI assumptions, property-tax estimates, home insurance premiums, and HOA dues. For a final decision, compare the calculator with a lender's official loan estimate, escrow disclosure, and amortization schedule.
Before using the result
- Keep the interest rate, term, and loan amount from the same scenario.
- Enter annual property tax and annual homeowner insurance, but enter PMI, mortgage insurance, HOA dues, and extra principal as monthly amounts.
- Use local tax, insurance, escrow, and lender-fee figures when you have them.
- Request and compare official loan estimates before choosing a lender or refinance offer.
Related tools
FormulaPayment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)
Formula
Mortgage payment formula
US mortgage payments can include taxes, insurance, PMI, HOA dues, escrow changes, and lender fees. Treat this as a planning estimate and compare it with official lender disclosures.
Payment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)
For a 300,000 mortgage at 6.5% for 30 years, n is 360 monthly payments.
SourcesThis calculator includes source notes, assumptions, and exclusions so the result is easier to verify before use.
Sources and assumptions
Source notes
This calculator includes source notes, assumptions, and exclusions so the result is easier to verify before use.
- Effective year
- Current rules
- Last verified
- 2026-06-18
US mortgage payments can include taxes, insurance, PMI, HOA dues, escrow changes, and lender fees. Treat this as a planning estimate and compare it with official lender disclosures.
Official and reference sources
Assumptions
- The mortgage is treated as a US-style fixed-rate, fully amortizing loan with equal monthly principal-and-interest payments.
- Down payment reduces the financed loan amount when a purchase price is entered.
- Annual property tax and homeowner insurance are divided by 12 and added to the monthly housing-cost estimate.
- PMI or mortgage insurance, HOA dues, and extra principal are entered as monthly amounts.
- The entered annual interest rate is converted to a monthly rate.
- Payments are assumed to be made on schedule for the full term.
- The estimated payoff date assumes the first payment period starts in the current month.
Not included
- Closing costs, lender fees, escrow adjustments, local tax reassessments, insurance premium changes, and variable-rate changes.
- Loan eligibility, affordability, underwriting, credit score effects, or official lender disclosures.
FAQ8 common questions for this calculator.
FAQs
Does this US mortgage calculator include taxes and insurance?+
Yes. You can add annual property tax, annual homeowner insurance, monthly PMI or mortgage insurance, and monthly HOA dues to estimate a fuller monthly housing cost.
How does the down payment affect the US mortgage payment?+
The down payment is subtracted from the entered home price before the principal-and-interest payment is calculated. A larger down payment lowers the financed loan amount.
Can I estimate US PMI or mortgage insurance?+
Yes. Enter the expected monthly PMI or mortgage insurance amount and the calculator adds it to the monthly housing-cost estimate.
Can I see the effect of extra US mortgage payments?+
Yes. Add an extra monthly principal amount to estimate earlier payoff timing and potential interest savings.
Does this show a full amortization schedule?+
Yes. The page includes annual and monthly amortization tables, principal-versus-interest charts, remaining-balance charts, total principal-and-interest payments, and estimated payoff date.
Does this replace an official amortization schedule?+
No. The calculator gives a planning schedule and payoff estimate, but your lender's official schedule, escrow account, and payment rules should be used for final decisions.
Can I compare 15-year and 30-year mortgages?+
Yes. Keep the home price, down payment, rate, taxes, insurance, PMI, and HOA assumptions consistent, then change the term to compare monthly payment and total interest.
How does the US Mortgage Calculator calculate the result?+
For the US Mortgage Calculator, it uses the Mortgage payment formula: Payment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1). For a 300,000 mortgage at 6.5% for 30 years, n is 360 monthly payments.
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Finance guide
How to use the US Mortgage Calculator
Estimate a US-style monthly mortgage payment with principal and interest, down payment, property tax, homeowner insurance, PMI or mortgage insurance, HOA dues, total P&I payments, payoff date, amortization tables, charts, and optional extra principal payment. The page also explains the mortgage payment formula and shows a practical example: For a 300,000 mortgage at 6.5% for 30 years, n is 360 monthly payments.
- 1
Enter your details
Enter principal and interest, down payment, property tax, homeowner insurance, PMI or mortgage insurance, HOA dues, total P&I payments, payoff date, amortization tables, charts, and optional extra principal payment, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the mortgage payment formula: Payment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1).
- 3
Compare scenarios
Change one or more inputs to see how they affect the US Mortgage Calculator result before you use the estimate.