Health & Fitness Calculators
Health, fitness & wellness calculations 33 free tools
BMI Calculator
Check your Body Mass Index and weight category.
Body Fat Calculator
Estimate your body fat percentage.
Calorie Calculator
Estimate daily calories needed to maintain or change weight.
BMR Calculator
Calculate your basal metabolic rate.
Ideal Weight Calculator
Find your healthy weight range.
Pregnancy Calculator
Track pregnancy milestones and due date.
Due Date Calculator
Estimate your baby's arrival date.
Ovulation Calculator
Predict your most fertile days.
Water Intake Calculator
Find out how much water you should drink daily.
Macro Calculator
Calculate optimal protein, carbs, and fats.
Heart Rate Calculator
Find your target heart rate zones.
Sleep Calculator
Determine optimal sleep duration and cycles.
Protein Calculator
Calculate daily protein needs based on activity level.
Cholesterol Calculator
Estimate your cholesterol levels and risk.
Blood Pressure Calculator
Assess your blood pressure category and risk.
Pace Calculator
Calculate your running or walking pace, speed, distance, and time.
Army Body Fat Calculator
Estimate your body fat percentage using the U.S. Army body fat method.
Lean Body Mass Calculator
Calculate your estimated lean body mass based on your body measurements.
Healthy Weight Calculator
Estimate a healthy weight range based on your height and other factors.
Calories Burned Calculator
Estimate the calories you burn during different physical activities.
One Rep Max Calculator
Estimate your one-repetition maximum from your weight and repetitions.
Target Heart Rate Calculator
Calculate your target heart rate zones for exercise.
Pregnancy Weight Gain Calculator
Estimate recommended pregnancy weight gain based on pre-pregnancy BMI.
Pregnancy Conception Calculator
Estimate your conception date and related pregnancy dates.
Conception Calculator
Estimate your possible conception date based on your menstrual cycle.
Period Calculator
Estimate your next period and track your menstrual cycle.
Carbohydrate Calculator
Estimate your daily carbohydrate needs based on your goals and activity level.
Fat Intake Calculator
Calculate your recommended daily fat intake based on your calorie needs.
TDEE Calculator
Calculate your total daily energy expenditure based on your activity level.
GFR Calculator
Estimate glomerular filtration rate based on relevant health measurements.
Body Type Calculator
Determine your estimated body type based on your body measurements.
Body Surface Area Calculator
Calculate your estimated body surface area from height and weight.
BAC Calculator
Estimate blood alcohol concentration based on relevant inputs.