Health tools Simple calculators and checkers

Health Tools & Calculators

Explore practical health tools from All Health and Care UK. These calculators and checkers are designed to help readers understand simple health measures and what results may mean.

These tools are for general information only. They do not diagnose medical conditions and should not replace professional medical advice.

BMI Calculator

Calculate your body mass index, see your BMI category and estimate a healthy weight range.

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Waist-to-Height Ratio Calculator

Check your waist-to-height ratio and see the general category your result falls into.

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Daily Calorie Needs Calculator

Estimate your daily calorie needs using age, sex, body size and activity level.

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Weight-Loss Treatment Eligibility Checker

Use a simple rule-based checker to explore whether extra weight-loss support may be worth discussing.

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Heart Risk Factors Checker

Review common cardiovascular risk factors in one quick, practical tool.

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