Health & Fitness

13 tools

Calculate BMI, calories, and more

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Body

Fitness

Medical

Nutrition

Wellness

Women's health

Popular in Health & Fitness

BMI Calculator

Calculate your Body Mass Index to determine if you're at a healthy weight

Calories Burned Calculator

Estimate calories burned during various activities based on duration and body weight

TDEE Calculator

Calculate your Total Daily Energy Expenditure to determine caloric needs

BMI Calculator

Calculate your Body Mass Index to determine if you're at a healthy weight

body mass index

Calories Burned Calculator

Estimate calories burned during various activities based on duration and body weight

calories burned

exercise calories

workout calories

VO2 Max Calculator

Estimate your cardiovascular fitness level using heart rate or running performance

cardiovascular fitness

aerobic capacity

TDEE Calculator

Calculate your Total Daily Energy Expenditure to determine caloric needs

total daily energy expenditure

1RM Calculator

Estimate your one-rep max for strength training exercises

strength training

Body Fat Calculator

Estimate your body fat percentage using body measurements

body fat percentage

body composition

body fat calculator

Cardiac Output Calculator

Calculate cardiac output using the Fick equation for medical assessment

cardiac output calculator

heart blood flow calculator

Ovulation Calculator

Track fertility windows, ovulation dates, and menstrual cycles for family planning

ovulation calculator

fertility calculator

menstrual cycle calculator

Calorie Deficit Calculator

Calculate your optimal calorie deficit for safe and sustainable weight loss with personalized macro targets

calorie deficit calculator

weight loss calculator

TDEE calculator

Macronutrient Calculator

Calculate optimal protein, carbs, and fat intake based on your fitness goals

macronutrient calculator

macro calculator

protein calculator

Sleep Debt Calculator

Track accumulated sleep debt and calculate recovery time needed

sleep debt calculator

sleep deficit calculator

sleep recovery calculator

Pregnancy Weight Gain Calculator

Track healthy weight gain during pregnancy with trimester-specific recommendations

pregnancy weight gain calculator

pregnancy weight tracker

prenatal weight calculator

Due Date Calculator

Estimate due date, current pregnancy week, and milestone dates from LMP, conception date, or IVF transfer

due date calculator

pregnancy due date calculator

ivf due date calculator

About These Calculators

Calculate health metrics, track fitness progress, and monitor your well-being with our comprehensive health calculators. Each tool uses industry-standard formulas and is thoroughly tested to ensure reliable results.

Free to use, no registration required. Works on any device — just enter your values and get instant, accurate calculations.