Health Fitness Tools - Free Online Calculation Tools

Free BMI calculator to compute body mass index from height and weight. Supports metric and imperial units with instant category results.

A professional tool based on ACSM metabolic equations.

A professional tool to estimate your Total Daily Energy Expenditure (TDEE). Input your biometrics to receive science-based calorie targets tailored to your specific fitness goals.

Personalized protein calculator for fitness enthusiasts, athletes, and health-conscious individuals. Supports muscle building (1.6-2.2g/kg), fat loss (1.8-2.

Quick BMI calculation with metric/imperial units. Provides health status, risk assessment, ideal weight range, and tailored lifestyle advice for better health management.

Calculate personalized daily carb intake with our free carbohydrate calculator. Supports keto, low-carb, moderate and high-carb diets.

Interactive tool for calculating nutritional values of Qdoba menu items.

Quick and accurate BMI calculator supporting both metric and imperial units.

Calculate healthy pregnancy weight gain based on your pre-pregnancy BMI. Get weekly recommendations, nutrition tips, and track your progress throughout all trimesters.

Free gestational age calculator using last menstrual period (LMP). Shows exact weeks+days pregnant, due date by Naegele's rule, trimester info, and delivery timing classification.

Calculate your cat's daily calorie needs using scientific RER formula. Supports kittens, adults, seniors, neutered, pregnant & nursing cats with activity factors.

Comprehensive dog nutrition calculator using scientific RER formula. Calculates daily calories, protein, fat for all life stages.

Free workout calorie calculator based on scientific MET values. Supports 50+ exercises including cardio, strength training, sports.

Calculate goat due date using breeding date and breed-specific gestation periods (145-155 days).

Calculate children's BMI percentile based on age and gender using CDC standards. Get instant health classification and personalized recommendations for kids aged 2-19 years.

Interactive Subway sandwich nutrition calculator supporting 6-inch and footlong sizes with customizable bread types, proteins, cheeses, vegetables, and sauces.

Professional BMI calculator supporting metric and imperial units. Compare WHO, Asian-Pacific and Chinese BMI standards.

Free protein calculator using latest 2026 dietary guidelines. Estimate optimal daily protein intake for muscle building, fat loss, or health maintenance.

Free IVF due date calculator for in vitro fertilization pregnancies.

Comprehensive food calorie calculator featuring thousands of common foods with detailed nutrition facts. Track calories, protein, carbohydrates, fat, and more.

Calculate your carbon footprint from daily activities including transport, energy use, and food consumption.

This calculator uses the MET (Metabolic Equivalent of Task) formula to estimate calories burned during physical activities.

Advanced calorie deficit calculator for effective weight loss.

Advanced pregnancy calculator supporting multiple calculation methods including last period, conception date, and ultrasound.

Free online ovulation calculator helps you track menstrual cycles, predict fertile windows, and identify optimal conception dates.

Interactive tool for calculating 5K running pace, speed and estimated finish times. Set realistic goals with beginner to elite runner benchmarks and optimize your training strategy.