U.S. Mortgage Calculator 2026
Estimate your monthly mortgage payment including principal, interest, property taxes, and homeowner's insurance. Supports all currencies.
Estimate your monthly mortgage payment including principal, interest, property taxes, and homeowner's insurance. Supports all currencies.
| Month | Payment | Principal | Interest | Balance |
|---|
* Estimates are for informational purposes only. Actual payments may vary based on lender terms, PMI, HOA fees, and other charges. Confirm with your lender before making financial decisions.
What Is a Mortgage Calculator?
A mortgage calculator is an online tool that estimates your monthly home loan payment based on the home price, down payment, interest rate, and loan term. Our free mortgage calculator goes further — it also factors in annual property taxes and homeowner's insurance, giving you a complete picture of what you'll actually pay each month.
Whether you're a first-time homebuyer in the U.S. or refinancing your existing home, this calculator helps you compare scenarios, plan your budget, and walk into any lender conversation with confidence.
How to Use This Mortgage Calculator
Using the calculator is straightforward:
- Enter the home price — the full purchase price of the property.
- Enter your down payment — typically 3%–20% of the home price for U.S. loans.
- Enter the interest rate — check current rates at your bank or on sites like Bankrate.
- Select your loan type — 30-year fixed is the most common in the U.S.
- Optionally add taxes and insurance — this shows your true PITI payment (Principal, Interest, Taxes, Insurance).
Click Calculate Payment to instantly see your monthly payment, total interest, and a full amortization schedule.
Mortgage Payment Formula
The principal and interest portion of your monthly mortgage payment is calculated using this standard formula:
M = Monthly payment
P = Principal (loan amount = home price − down payment)
r = Monthly interest rate (annual rate ÷ 12 ÷ 100)
n = Total number of payments (years × 12)
Our calculator uses this exact formula, matching the method used by U.S. banks and lenders.
Mortgage Payment Examples (U.S. 2025)
| Home Price | Down Payment | Rate | Term | Monthly P&I |
|---|---|---|---|---|
| $250,000 | $50,000 (20%) | 7.0% | 30 yr | $1,330 |
| $350,000 | $70,000 (20%) | 7.0% | 30 yr | $1,862 |
| $500,000 | $100,000 (20%) | 7.0% | 30 yr | $2,661 |
| $350,000 | $70,000 (20%) | 6.5% | 15 yr | $2,456 |
*Rates shown are for illustration only. Use the calculator above with current rates for your exact payment.
30-Year vs. 15-Year Mortgage: Which Is Better?
This is the most common question homebuyers face. Here's the honest breakdown:
30-year fixed mortgage: Lower monthly payment, but you pay significantly more in total interest over the life of the loan. Easier to qualify for and leaves more cash flow each month for other expenses or investments.
15-year fixed mortgage: Higher monthly payment — typically 30–40% more — but you build equity twice as fast and pay roughly half the total interest. Best for buyers who can comfortably afford the higher payment.
Run both scenarios in our calculator above and compare your total interest paid. The difference is often eye-opening.
How Much House Can You Afford?
U.S. lenders commonly use the 28/36 rule: your monthly mortgage payment should not exceed 28% of your gross monthly income, and total debt payments (including car loans, student loans, and credit cards) should not exceed 36%.
For example, if your household earns $7,000/month before taxes, a lender will typically want your mortgage payment below $1,960/month. Use our calculator to find a home price that keeps your payment within that range.
Tips to Lower Your Mortgage Payment
- Make a larger down payment. Every extra dollar reduces your loan balance and may help you avoid PMI (Private Mortgage Insurance), which lenders typically require when down payments are below 20%.
- Improve your credit score. Borrowers with scores above 760 consistently qualify for lower rates. Even a 0.5% rate reduction on a $300,000 loan saves over $30,000 in interest over 30 years.
- Choose a shorter loan term. A 15-year mortgage carries a lower interest rate than a 30-year mortgage at most lenders.
- Shop multiple lenders. Rate offers vary by 0.25%–0.75% between lenders. Getting three quotes before signing can save thousands.
- Consider buying points. Paying 1% of the loan upfront as "discount points" can reduce your rate by approximately 0.25%, which pays off if you plan to stay in the home long-term.