🩺 Health & Fitness Calculators
BMI, calories, pregnancy & fitness — 11 free tools, no signup required.
BMI Calculator
Free BMI calculator — calculate your Body Mass Index (BMI) and body composition. Get advanced reports with estimated body fat %, BMR, TDEE, ideal…
Calorie Calculator
Free online calorie calculator. Calculate daily caloric needs to maintain, lose, or gain weight using the Mifflin-St Jeor formula. Ideal for fitness…
Pregnancy Calculator
Free online pregnancy calculator. Track gestational age in weeks and days, trimester milestones, progress, and baby size comparisons.
BMR Calculator
Free online BMR calculator. Calculate Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict formulas. Know your resting calorie burn.
Body Fat Calculator
Free body fat calculator. Estimate body fat percentage, lean mass, and fat mass using the clinically proven U.S. Navy circumference method.
TDEE Calculator
Free online TDEE calculator. Calculate your Total Daily Energy Expenditure based on your activity level, age, weight, and height. Get customized…
Ideal Weight Calculator
Free ideal weight calculator. Compute healthy weight limits using Devine, Robinson, Miller, and Hamwi formulas. Find your target weight range.
Pace Calculator
Free online running pace calculator. Solve distance, time, or pace instantly. Perfect for 5K, 10K, half-marathons, and marathon race splits.
Conception Calculator
Free pregnancy conception calculator. Estimate the probable date of conception, ovulation fertile window, and embryo implantation dates.
Due Date Calculator
Free pregnancy due date calculator. Calculate baby's estimated due date using Naegele's Rule, cycle lengths, and track trimester milestone calendar.
Carbon Footprint Calculator
Calculate your annual personal carbon footprint. Enter household energy, travel, and lifestyle choices to see your total CO2 emissions and offset…