Mortgage Calculator
Finance ToolsCalculate monthly mortgage payments. Include principal, interest, taxes, and insurance (PITI).
How to use Mortgage Calculator
- 1Enter your input in the text area above
- 2Click the action button to process your data
- 3View the result and copy it to your clipboard
Common Use Cases
Quick Processing
Process your data quickly and efficiently.
Secure & Private
All processing happens in your browser.
Free to Use
This tool is completely free with no signup.
Mobile Friendly
Works on any device with a browser.
Frequently Asked Questions
What does PITI mean?
PITI stands for Principal, Interest, Taxes, and Insurance - the four components of your total monthly mortgage payment. Principal reduces your loan balance, interest is the lender's fee, taxes are property taxes, and insurance is homeowners insurance.
How is the monthly payment calculated?
We use the standard amortization formula: M = P[r(1+r)^n]/[(1+r)^n-1], where P=principal, r=monthly interest rate, n=total payments. This gives your principal+interest payment. We then add estimated property taxes and insurance.
What's a good debt-to-income ratio?
Lenders typically want your total monthly debt payments (including mortgage) to be less than 36% of gross monthly income. Front-end ratio (housing only) should be <28%, back-end ratio (all debt) <36%. Some FHA loans allow up to 43%.
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