Free · no sign-up

Small tools,
honest numbers.

The same math we use in our apps, as simple web tools. Everything runs in your browser; nothing you type is sent or saved.

Calorie deficit calculator

How much you burn, and how much to eat to lose weight at a pace you can keep.

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BMI calculator

Your BMI, what it means, and a healthy weight range for your height.

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7-day weight average

Turn bumpy daily weigh-ins into one steady line, the way Forward does.

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Sleep calculator

When to go to bed, or when to wake up, in whole sleep cycles.

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