What the tool does, how to run it, and what to expect from the result.
Work out the monthly payment on any loan from the amount, rate and term, or flip it and see how long a fixed monthly payment takes to clear the loan. The math updates instantly and runs on your device, so it is fast, private, and available offline.
A quick way to understand who this helps, what it solves, and where it connects next.
Shoppers, students, freelancers, and anyone who needs a quick, private calculation.
Fast everyday math without a spreadsheet, app install, or sign-up.
Short answers for the questions people usually have before trying a utility like this.
Yes. It is completely free, with no sign-up, no watermark, and no usage limits.
No. Amounts are currency-neutral and use the same unit across all inputs, so it works in any country.
Payment = P × r ÷ (1 − (1 + r)^−n), with P the loan amount, r the monthly rate (APR ÷ 12) and n the number of months. $25,000 at 7.5% for 60 months is $500.95 a month and $5,056.92 of interest.
Switch "Solve for" to payoff time. The same $25,000 at 7.5% paid at $600 a month clears in 49 months with $4,051.02 of interest. If the payment is below the monthly interest, the balance never falls.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser. Amounts are shown without a currency symbol so they work anywhere.