Adult BMI calculator
Calculate BMI for adults aged 20 and older.
14 TOOLS
Health and fitness
Calorie, BMR and TDEE calculator
Estimate resting metabolism and daily energy using your activity-factor assumption.
Macronutrient calculator
Convert your chosen energy split into grams of macronutrients.
Protein intake estimate
Population protein reference for healthy adults.
Body fat estimate calculator
A rough body-fat estimate from BMI, age and a formula coefficient.
Waist to height ratio calculator
Compare waist circumference with height. Measure between the lower ribs and top of the hips after a normal exhalation.
Due date and pregnancy week calculator
Calendar due date and completed weeks based on the last menstrual period.
Fertile window calculator
An approximate date range for adults with regular natural cycles.
Period date calculator
Project the next period using cycle lengths you enter.
Sleep schedule calculator
Plan bedtime using your own desired sleep duration.
Running pace calculator
Calculate average pace and speed from elapsed time and distance.
Race time estimate
Compare times at different distances with the Riegel model.
One repetition maximum estimate
Estimate 1RM from a set you have already completed.
Activity calorie estimate
Estimate energy for specifically described activities in the 2024 Compendium.