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Clinically reviewed articles, free calculators that actually work, and recipes our nutritionists cook themselves.

Free Tools

Three answers, one set of numbers

Your BMI, your healthy weight range and your daily energy needs. Nothing is sent anywhere — the maths runs in your browser.

Sex

These are estimates for healthy adults. They are not a diagnosis, and they do not apply during pregnancy — talk to a practitioner for anything that matters.

Body Mass Index

Fill in your height and weight to see your result.

Healthy weight range

The weight range that puts your BMI between 18.5 and 24.9 at your height.

Daily calorie needs

Add your age to estimate daily energy needs.

BMI Calculator

Body Mass Index, with the band it falls in and what that actually means.

Ideal Body Weight

The healthy weight range for your height — a range, not a single number.

Daily Calorie Needs

Mifflin–St Jeor, adjusted for how much you actually move in a week.

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