Free tools
Fitness calculators
No account needed. Use metric, imperial or stone measurements.
Free tools
Daily calorie calculator
Estimate maintenance calories (TDEE) from weight, height, age and activity.
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Protein calculator
Explore a daily protein range for healthy adults who exercise.
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Weight converter
Convert kilograms, pounds and stone with one calculation.
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Adult BMI calculator
Calculate body mass index from height and weight. For adults aged 20 and over.
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Macro calculator
Turn a calorie total and your chosen percentages into grams of protein, fat and carbohydrates.
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These tools provide general information, not medical advice. Nutrition estimates are not intended for children, pregnancy, breastfeeding or managing a medical condition.