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Plans home-loan payoff from balance, rate, term and extra payments. Use when weighing extra payments or refinance; differs from loan-emi-calculator by escrow, taxes and payoff focus. Returns payoff date, interest saved and schedule. 100% client-side.
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Estimates the monthly payment, total interest, and full payoff term for a fixed-rate mortgage. Uses standard amortization math to model what a home loan really costs, including how extra payments can shorten the term and cut total interest.
A mortgage is the largest debt most households take on, and the gap between interest rates and terms can shift the total cost by hundreds of thousands. An amortization calculator makes the real price of a loan visible before you commit.
This tool is part of the DevStackIO platform — a collection of free online developer tools from DevStackIO. Browse more free developer resources on DevStackIO.
Homebuyers, real-estate agents, financial planners, and anyone comparing mortgage offers or payoff paths before signing.
Enter the home price you plan to finance
Enter the annual mortgage interest rate as a percent
Choose the term in years (15 and 30 are common)
Read the monthly payment, total interest, and payoff term
Add a monthly extra payment to see how much sooner the loan pays off
Compare term lengths side by side before choosing
$350,000 at 6.5% for 30 years → payment ≈ $2,212, total interest ≈ $446,000$350,000 at 6.5% for 15 years → payment ≈ $3,050, total interest ≈ $199,000$750,000 at 5.75% for 30 years → payment ≈ $4,376, total interest ≈ $825,000$350,000 at 6.5% for 30 years with an extra $200/month → payoff cut by several years and interest saved by tens of thousandsDoes this tool support multiple currencies?
Yes, select your currency from the dropdown. All calculations run locally in your browser.
Does this include escrow for taxes and insurance?
No, it covers principal and interest only.
What does total interest mean?
The portion of all your payments that goes to the lender as interest.
Can I model a shorter term?
Yes, set the term to 15 or 20 years to compare payoffs.
Is my data shared?
No, every calculation runs locally in your browser.
How do extra payments help?
They go straight to principal, so less interest accrues and the loan is paid off sooner.
Should I refinance if rates drop?
Compare your current remaining term against a new loan's total interest and closing costs before deciding.
Authoritative specifications, standards, and in-depth reading for Mortgage Calculator.
Monthly payment
$2,212.24
Total interest
$446,404.28
Payoff term
360 months
Estimated fixed-rate mortgage. Does not include tax, insurance, or homeowners' association fees.
Not financial advice
The results from this calculator are provided for general informational and educational purposes only. They are estimates based on the assumptions you enter and do not constitute financial, tax, legal, or investment advice, nor a recommendation to buy, sell, or hold any financial product. Tax codes, rates, and regulations change frequently and vary by country, state, and local jurisdiction — and may differ based on your individual circumstances, employer plan rules, and provider policies. Always verify the figures with current official sources and consult a qualified financial, tax, or legal professional before making any financial decision. All calculations run privately in your browser; nothing you enter is sent to our servers.
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