Calculators

Free calculators for calories, protein, BMI and weight. They work in stone or kg and you don't need an account. For explanations and meal ideas, see our guides.

• BMI calculatorFree BMI calculator for adults in the UK. Enter your height and weight in stone and feet or kg and cm to see your BMI and the healthy weight range for your height.›
• Stone to pounds and kg converterConvert stone to pounds, stone to kg, kg to stone and lbs to stone. Includes a chart from 6 to 25 stone, so you can look up 13 stone in pounds or kg.›
• Steps to miles, km and caloriesConvert steps to miles, kilometres and calories burned. Find out how many steps are in a mile, how far 10,000 steps is, and how many calories your walk burns.›
• Tablespoons, cups and gramsHow many grams are in a tablespoon, teaspoon and cup for common foods like flour, sugar, butter, oil, rice and oats, with a converter for logging food accurately.›
• Calorie calculatorFree calorie calculator. Work out your BMR, maintenance calories (TDEE), a calorie deficit to lose weight and your daily macros in kg or stone.›
• Protein calculatorFree protein calculator. Find out how much protein you need a day for your weight and goal, whether that is general health, losing fat or building muscle.›