Fitness & Health Calculators
Tools to help you track, measure, and achieve your health and wellness goals.
BMI Calculator
Check your Body Mass Index to see if your weight is in a healthy range for your height.
Use CalculatorCalorie Calculator
Estimate your daily calorie needs (TDEE) for weight loss, maintenance, or muscle gain.
Use CalculatorBMR Calculator
Calculate your Basal Metabolic Rate, the number of calories your body burns at complete rest.
Use CalculatorBody Fat Calculator
Estimate your body fat percentage using the U.S. Navy and BMI methods to gauge body composition.
Use CalculatorIdeal Weight Calculator
Estimate your healthy weight range using four popular scientific formulas (Hamwi, Devine, etc.).
Use CalculatorMacro Calculator
Calculate your optimal protein, carb, and fat intake based on your specific calorie goals.
Use CalculatorPregnancy Calculator
Estimate your due date and track key milestones from your last period or conception date.
Use CalculatorPregnancy Weight Gain
Track your weight gain week-by-week based on IOM guidelines for your pre-pregnancy BMI.
Use CalculatorDue Date Calculator
An advanced tool to estimate your due date using LMP, conception, IVF, or ultrasound data.
Use CalculatorConception Calculator
Estimate your date of conception and fertile window based on your due date or last period.
Use CalculatorPace Calculator
Calculate your running pace, finish time, or distance. Includes pace splits for race strategy.
Use CalculatorArmy Body Fat Calculator
Estimate your body fat % and check compliance with official Army Regulation (AR 600-9) standards.
Use CalculatorLean Body Mass Calculator
Estimate your lean body mass (LBM), a key indicator of metabolic health and fitness progress.
Use CalculatorCarbohydrate Calculator
Determine your recommended daily carbohydrate intake based on your activity level and fitness goals.
Use CalculatorHealthy Weight Calculator
Find your healthy weight range based on WHO BMI guidelines and see how much to gain or lose.
Use CalculatorCalories Burned Calculator
Calculate energy expenditure for hundreds of activities, from sports to daily household chores.
Use CalculatorTarget Heart Rate Calculator
Identify your 5 heart rate zones for fat burning, aerobic fitness, and peak performance.
Use CalculatorOne Rep Max Calculator
Estimate your maximum strength (1RM) and view training percentage tables for hypertrophy and power.
Use CalculatorProtein Calculator
Find out exactly how much protein you need daily for muscle growth, fat loss, or general health.
Use CalculatorFat Intake Calculator
Calculate your daily fat needs based on keto, low fat, or balanced diet preferences.
Use CalculatorOvulation Calculator
Track your menstrual cycle and identify your most fertile days to maximize conception chances.
Use CalculatorTDEE Calculator
Calculate your Total Daily Energy Expenditure to know exactly how many calories you burn each day.
Use CalculatorConception Planner
Planning for a specific birth date? Calculate exactly when you need to conceive.
Use CalculatorPeriod Calculator
Track your cycle and predict your next period dates. Plan your month with a 6-month forecast.
Use CalculatorBody Type Calculator
Identify if you are an Ectomorph, Mesomorph, or Endomorph based on your frame size.
Use CalculatorGFR Calculator
Check your kidney function stage using the official CKD-EPI 2021 formula.
Use CalculatorBSA Calculator
Calculate Body Surface Area using Mosteller, Du Bois, and other medical formulas for dosage planning.
Use CalculatorBAC Calculator
Estimate your Blood Alcohol Concentration and time to sobriety before you drive.
Use CalculatorFood Points Calculator
Calculate food points for weight loss using formulas compatible with Classic and Plus systems.
Use CalculatorUnderweight BMI Risk
Assess thinness grades (mild, moderate, severe) according to WHO standards.
Use CalculatorOverweight Risk Calculator
Assess obesity levels and calculate the time needed to reach a healthy weight safely.
Use Calculator