Free Refinance Calculator
Run your numbers below. The result updates instantly as you type, and you can compare scenarios as many times as you like.
Data not available. Pick a state to run the numbers.
Total monthly payment (PITI)
- Principal & interest
- $2,059
- Property tax
- Data not available
- Home insurance
- Data not available
- Loan amount
- $320,000
- Total monthly payment (PITI)
- $2,059
Excludes PMI, HOA dues and county-level tax variations.
See what a refinance would actually cost you
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How to use the online mortgage calculator
Enter the home price, down payment, interest rate, and repayment term to estimate principal and interest. Mortgage amortization directs more of an early payment toward interest and more of a later payment toward principal. A complete housing estimate may also need property taxes, homeowners insurance, association dues, mortgage insurance, and escrow deposits, none of which are necessarily included in a basic calculator result.
A first time home buyer should compare the estimate with a lender’s official loan disclosure. A conventional loan may have different down-payment, credit, and mortgage-insurance requirements from government-backed financing. A debt to income ratio calculator can provide additional context by comparing required monthly debts with gross income. Preapproval is still conditional, and the final payment can change with the selected property, rate, taxes, insurance, and closing terms.
Common questions
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Sources and methodology
Federal brackets, standard deductions and FICA thresholds come from the IRS and the Social Security Administration for the 2026 tax year. State income tax rates, brackets, standard deductions and personal exemptions come from the Tax Foundation’s 2026 state individual income tax data. Property tax figures use average effective county rates. Results are educational estimates and exclude local taxes, credits and post-tax deductions.