Health & Fitness Calculators
BMI, calories, heart rate and health tools
All Health & Fitness Calculators
BMI Calculator
Body Mass Index for adults
BMI Calculator for Women
BMI optimized for adult females
Body Fat Calculator
Calculate body fat percentage using the US Navy method
BMR Calculator
Basal Metabolic Rate and daily calorie needs
Macro Calculator
Daily protein, carbs and fat targets for your goal
Calories Burned Calculator
Calories burned during exercise using MET values
Protein Calculator
Daily protein intake based on weight, activity and goal
Ideal Weight Calculator
Ideal weight using 4 medical formulas (Robinson, Miller, Devine, Hamwi)
Pace Calculator
Running and walking pace calculator
Target Heart Rate
Exercise heart rate training zones
Pregnancy Calculator
Due date, trimester and weekly pregnancy tracker
Due Date Calculator
Estimate your baby's due date and key milestones
Conception Calculator
Estimate conception date from due date
Gestation Calculator
Animal gestation and due date estimator
One Rep Max Calculator
Estimate your 1RM from reps and weight lifted
Lean Body Mass Calculator
Calculate lean mass vs fat mass (Boer & James formulas)
Carbohydrate Calculator
Daily carb intake based on calorie goals
Body Surface Area Calculator
BSA using Mosteller, DuBois and Haycock formulas
BAC Calculator
Estimate blood alcohol content using the Widmark formula
Ovulation Calculator
Fertile window and ovulation date calculator
Period Calculator
Predict next 6 menstrual periods