Mortgage Calculator
Use our free Mortgage Calculator to quickly estimate your monthly mortgage payment, based on key inputs like loan amount, interest rate, and loan term. Perfect for homebuyers and investors.
Get StartedLoan Details
Payment Summary
Monthly Payment
$0
Principal & Interest
$0
Loan Amount
$0
Amortization Schedule
All calculations are estimates and should be verified by a professional.
Mortgage Formula
Knowing how to calculate your mortgage payment is key to planning homeownership costs. Not a fan of manual math? Use our free Mortgage Calculator for instant results.
How this mortgage calculator works
This calculator estimates your monthly mortgage payment using your loan amount, interest rate, and term. It’s designed to provide a fast, reliable way to gauge affordability and compare loan scenarios side by side.
It works by applying the amortization formula above and incorporating optional add-ons like property taxes, homeowners insurance, and PMI (private mortgage insurance).
The calculator assumes fixed-rate loans by default but can be adapted for adjustable-rate scenarios. Local tax and insurance averages can cause payment variations by region.
When to use this mortgage calculator
Use this calculator any time you need to understand what your monthly mortgage will look like or test how different inputs affect affordability.
Before house hunting: See what price range fits your monthly budget.
When comparing lenders: Evaluate how rate quotes change total cost.
During refinancing: Estimate potential savings from a lower rate or shorter term.
While planning extra payments: See how biweekly or additional principal payments shorten loan length.
For investment properties: Model cash flow and ROI based on projected rent and mortgage costs.
Want to make your mortgage planning smarter?
Use ServiceAgent.ai to automate estimates, manage proposals, and track profitability—all from one dashboard.
Book a Free DemoAverage mortgage costs by industry
Understand how mortgage rates and payments compare across the U.S. Use these averages to gauge competitiveness and affordability.
Average 30-year fixed mortgage rate
6.5–7.0%
Average 15-year fixed mortgage rate
5.8–6.4%
Typical down payment
10–20% of home price
Property taxes
0.8–2.0% of home value annually
Private Mortgage Insurance (PMI)
0.5–1.5% of loan balance annually
Homeowners insurance
$1,200–$2,500/year
These benchmarks help homebuyers and real estate professionals evaluate whether mortgage services and housing costs are competitive and profitable.
Frequently Asked Questions
How accurate is this mortgage calculator?
This calculator provides an accurate estimate of monthly principal and interest payments. Adding taxes and insurance inputs makes results even closer to real lender quotes.
What factors affect my mortgage payment the most?
Interest rate, loan amount, and term length have the biggest impact. Taxes, insurance, and PMI also add to your total monthly cost.
What is a mortgage payment?
A mortgage payment is the amount you pay your lender each month to repay your home loan. It usually includes principal, interest, and sometimes property taxes and homeowners insurance.
Is this calculator useful for investors?
Absolutely. It's a fast way to check rental property cash flow assumptions.
Can I customize taxes, insurance, or HOA costs?
Yes. Enter values based on your local rates and property type.
What’s the difference between fixed-rate and adjustable-rate mortgages?
Fixed-rate loans have constant payments for the entire term. Adjustable-rate loans may start lower but can increase over time based on market conditions.
Does this support biweekly payment schedules?
Yes—divide your monthly payment by two and pay every two weeks to save on interest.
How does this integrate with my workflow?
Pair it with ServiceAgent.ai to automate financial planning, proposals, and tracking.