Calcaxis

Health & Fitness

Calculate BMI, calories, and more

Available Calculators

BMI Calculator

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

bmi
body mass index
weight

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

vo2 max
cardiovascular fitness
aerobic capacity

TDEE Calculator

Calculate your Total Daily Energy Expenditure to determine caloric needs

tdee
total daily energy expenditure
calorie needs

1RM Calculator

Estimate your one-rep max for strength training exercises

one rep max
1rm
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
Fick equation
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

About Health & Fitness Calculators

Calculate health metrics, track fitness progress, and monitor your well-being with our comprehensive health calculators.

Each calculator is thoroughly tested and uses industry-standard formulas to ensure reliable outcomes. Whether you're a professional, student, or just someone looking for quick calculations, our tools are free to use and accessible from any device. No registration required - just enter your values and get instant results.