What the tool does, how to run it, and what to expect from the result.
Calculate the future value of equal regular payments, for an ordinary annuity or an annuity due, with the interest earned. 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.
FV = PMT × ((1 + r)^n − 1) ÷ r. Ten yearly payments of $1,000 at 5% grow to $12,577.89. As an annuity due, each payment earns one more period: $13,206.79.
Ordinary annuities pay at the end of each period (most loans and bonds); annuities due pay at the start (rent, many savings plans). Annuity due values are higher by a factor of 1 + r.
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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.