Mortgage Calculator
Calculate your monthly mortgage payment, total interest paid, and view a detailed amortization schedule. Plan your home purchase with confidence.
Monthly Payment
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Loan Amount
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Total Payment: --
Total Interest: --
About Mortgage Calculator
A mortgage calculator is an essential tool for anyone considering buying a home. It helps you understand the financial commitment of a mortgage by calculating monthly payments, total interest paid, and providing a detailed amortization schedule.
This calculator uses the standard mortgage formula to compute accurate payment amounts based on the home price, down payment, loan term, and interest rate.
How Mortgage Calculator Works
- Home Price: The total purchase price of the property.
- Down Payment: The amount you pay upfront (typically 10-20% of home price).
- Loan Amount: Home price minus down payment (the amount you borrow).
- Loan Term: The number of years to repay the loan (typically 15, 20, or 30 years).
- Interest Rate: The annual percentage rate (APR) charged by the lender.
- Monthly Payment: Calculated using the mortgage formula based on above factors.
Limitations & Considerations
- Property Taxes: This calculator doesn't include property taxes, which vary by location.
- Insurance: Homeowners insurance is not included in the calculation.
- HOA Fees: Homeowners association fees are not factored in.
- PMI: Private Mortgage Insurance (if down payment is less than 20%) is not included.
- Closing Costs: One-time closing costs are not included.
- Variable Rates: This calculator assumes a fixed interest rate.
Mortgage Formula
Monthly Payment Formula:
M = P × [r(1+r)^n] / [(1+r)^n - 1]
Where:
M = Monthly payment
P = Principal loan amount
r = Monthly interest rate (annual rate ÷ 12 ÷ 100)
n = Total number of payments (years × 12)
M = P × [r(1+r)^n] / [(1+r)^n - 1]
Where:
M = Monthly payment
P = Principal loan amount
r = Monthly interest rate (annual rate ÷ 12 ÷ 100)
n = Total number of payments (years × 12)
Frequently Asked Questions
What's a good down payment percentage?
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A down payment of 20% is generally considered ideal as it avoids PMI (Private Mortgage Insurance). However, many lenders accept 10-15% down payments, and some programs allow as little as 3-5% down.
Should I choose a 15-year or 30-year mortgage?
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A 30-year mortgage has lower monthly payments but you pay more interest over time. A 15-year mortgage has higher monthly payments but you build equity faster and pay less total interest. Choose based on your financial situation and goals.
What factors affect mortgage interest rates?
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Interest rates are affected by credit score, down payment size, loan term, property location, market conditions, and the lender. Generally, better credit scores and larger down payments result in lower rates.
Can I pay off my mortgage early?
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Yes, most mortgages allow early payoff without penalties. Making extra payments toward principal can significantly reduce the total interest paid and shorten the loan term. Check your mortgage agreement for any prepayment penalties.
What's included in a mortgage payment?
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A mortgage payment typically includes principal and interest. Many lenders also include property taxes, homeowners insurance, and HOA fees in an escrow account, often referred to as PITI (Principal, Interest, Taxes, Insurance).