Health Fitness Tools - Free Online Calculation Tools

Estimate body mass index from height and weight in metric or imperial units.

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.

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

Interactive tool for calculating nutritional values of Qdoba menu items.

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

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

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

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

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

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.

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

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

Free IVF due date calculator for in vitro fertilization pregnancies.

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

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

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

Professional meal calorie calculator with extensive food database covering Chinese and Western cuisine.

Interactive tool to calculate Starbucks drink calories based on size, milk options, and customizations.

Advanced calorie deficit calculator for effective weight loss.

This calculator uses the Mifflin-St Jeor equation to estimate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE).

Uses Mifflin-St Jeor formula and WHO standards. Calculates metabolic age by comparing your BMR with age-group averages.

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

Comprehensive pregnancy calculator supporting multiple input methods: last menstrual period (LMP), conception date, or IVF transfer date.

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.

Free tool to calculate ideal weight from height and target BMI.

Accurate estimated due date calculator supporting multiple calculation methods including LMP and conception date.

Calculate cow due date using breeding date and breed-specific gestation periods (278-285 days).

Professional swimming pace calculator with CSS formula, training zone analysis, and stroke-specific pace charts. Calculate your critical swim speed from 200m/400m tests.