Loan Calculator
Calculate monthly payments, total interest, and a full amortization schedule for any loan.
Loan Calculator — Whether you are shopping for a mortgage, a car loan, or a personal loan, the first question is always the same: what will the monthly payment be — and how much will it cost me in total? This calculator answers both with a complete amortization schedule.
Your loan details are calculated entirely in your browser and never leave your device.
What is loan calculator?
Whether you are shopping for a mortgage, a car loan, or a personal loan, the first question is always the same: what will the monthly payment be — and how much will it cost me in total? This calculator answers both with a complete amortization schedule.
It also models extra monthly payments, so you can see exactly how much earlier you would pay the loan off and how much interest you would save. Everything runs locally, so your financial details stay private.
How to use it
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Enter the loan amount
The total you plan to borrow.
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Enter the annual interest rate
For example 6.5 for a 6.5% APR. Leave at 0 for an interest-free loan.
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Set the term in years
For example 30 for a 30-year mortgage.
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Add an optional extra payment
See how an extra amount per month shortens the term and cuts total interest.
Examples
A $20,000 car loan at 6% for 5 years
The standard payment formula used by lenders.
Amount: 20000 · Rate: 6% · Term: 5 years
Result: Monthly payment ≈ $386.66, total interest ≈ $3,199.30.
Frequently asked questions
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