Financial calculators, done right

Make every money decision with confidence.

SumWize turns big financial questions into clear answers. Free, private, and beautifully simple — no sign-up, nothing stored.

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Every financial question has a calculator

From your first mortgage to your last required distribution — organized the way you actually think about money.

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The tools people reach for most — fully interactive and ready to use.

Why SumWize

Numbers you can trust, without the noise

Private by design

Everything runs in your browser. We don't ask who you are and we don't store your numbers.

Instant answers

Adjust any input and results update live — with clear breakdowns, not just a single number.

Actually understandable

Plain-language explanations sit beside every result, so you know what the numbers mean.

Works everywhere

Fast on any device, no app to install, and free forever — for you and anyone you share it with.

Ready to run your numbers?

Pick a calculator and get a clear answer in seconds. No account, no catch.

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