Fitness & Health Calculators

Pregnancy Conception Calculator Estimate your conception date based on last menstrual period, due date, or ultrasound measurements. Get accurate results instantly. Enter Your Information Select…

Ovulation Calculator & Fertility Tracker First Day of Last Period Average Cycle Length (Days) 21 days22 days23 days24 days25 days26 days27 days28 days29 days30 days31…

Pregnancy Weight Gain Calculator Pre-Pregnancy Weight Kilograms (kg) Pounds (lbs) Height Centimeters (cm) Inches Current Weight Kilograms (kg) Pounds (lbs) Weeks Pregnant Enter 1 to…

Target Heart Rate Calculator Calculate your optimal heart rate zones for maximum exercise benefits Enter Your Details Your Age (years) Resting Heart Rate (optional) Measure…

One Rep Max (1RM) Calculator Estimate your maximum lifting strength safely using proven formulas. Perfect for strength training programming. Pounds (lbs) Kilograms (kg) Weight Lifted…

Calories Burned Calculator Estimate calories burned during various activities based on your personal metrics and exercise intensity. Personal Information Age (years) Please enter a valid…

Healthy Weight Calculator Calculate your ideal weight range, BMI, and get personalized health recommendations based on scientific formulas and guidelines. Your Measurements Height cm feet/in…

Lean Body Mass Calculator Calculate your lean body mass (LBM) using established medical formulas. LBM includes muscles, bones, organs, and water content. Personal Information Gender…

Army Body Fat Calculator Official U.S. Army Body Composition Assessment Tool Enter Your Measurements Male Female Age Group 17-20 years21-27 years28-39 years40+ years Height Example:…