Health tools

Standard body and fitness formulas, calculated in metric or imperial, with the formula named so you can see which one produced the number. These are population-level estimates rather than assessments of you specifically: they cannot see body composition, training history or medical context, and none of them replaces professional advice.

All health tools

• BMI calculator Body mass index, category and healthy range for your height.
• TDEE & BMR calculator Resting and daily calorie burn, with targets by goal.
• Running pace calculator Pace per km and mile, speed, and predicted race times.
• Ideal weight calculator Devine, Robinson, Miller and Hamwi, side by side.
• Water intake calculator Rough daily water target from weight, exercise and climate.

Related categories

• Math
• Time
• All tools