Health & Fitness Calculators
Explore a variety of free fitness and health calculators including a BMI calculator, body fat calculator, calorie calculator, and many more.
BMI Calculator
Calculate your Body Mass Index (BMI) to assess your health and fitness level. Find out if you're underweight, normal weight, overweight, or obese.
Use BMI CalculatorCalorie Calculator
Accurately estimate your daily calorie needs with our scientifically-backed calculator. Perfect for weight management, fitness goals, and maintaining a healthy lifestyle.
Use Calorie CalculatorBody Fat Calculator
Accurately estimate your body fat percentage with our scientifically validated calculator.
Use Body Fat CalculatorIdeal Weight Calculator
The Ideal Weight Calculator computes ideal body weight (IBW) ranges based on height, gender, and age.
Use Body Fat CalculatorBasal Metabolic Rate (BMR) Calculator
Accurately estimate your Basal Metabolic Rate (BMR) with our scientifically-backed calculator.
Use BMR CalculatorPace Calculator
Accurately calculate your running, walking, cycling or swimming pace, speed, and time using our easy-to-use pace calculator.
Use Pace CalculatorPregnancy Calculator
Estimate a pregnancy schedule based on the provided due date, last period date, ultrasound date, conception date, or IVF transfer date.
Use Pregnancy CalculatorOvulation Calculator
The Ovulation Calculator estimates the most probable ovulation/fertile window as well as other related dates.
Use Ovulation CalculatorDue Date Calculator
Accurately estimate your expected due date based on various calculation methods.
Use Due Date CalculatorConception Calculator
Estimate the possible conception date based on your due date, last menstrual period, or ultrasound date.
Use Conception CalculatorPregnancy Weight Gain Calculator
Determine the ideal weight gain range for a healthy pregnancy based on your pre-pregnancy BMI.
Use Pregnancy Weight Gain CalculatorArmy Body Fat Calculator
The Army Body Fat Calculator is based on the Army Body Fat Assessment for the Army Body Composition Program, published on June 12, 2023.
Use Army Body Fat CalculatorLean Body Mass Calculator
Calculate your lean body mass (LBM) with precision using our scientifically-backed calculator.
Use Lean Body Mass CalculatorHealthy Weight Calculator
Calculate your ideal healthy weight range based on various factors and discover personalized recommendations to achieve your wellness goals.
Use Healthy Weight Calculator