Health & Fitness
Health and fitness tools to track your wellness and reach your goals.
18 calculators in this category
BMI Calculator
Calculate your Body Mass Index and track your health.
Calorie Calculator
Calculate your daily calorie needs based on age, weight, and activity.
Body Fat Calculator
Estimate body fat percentage using the Navy body fat formula.
Ideal Weight Calculator
Find your ideal body weight range based on height and gender.
Pregnancy Due Date Calculator
Calculate your estimated due date and pregnancy milestones.
BMR Calculator
Basal Metabolic Rate — calories burned at rest (Mifflin-St Jeor).
TDEE Calculator
Total Daily Energy Expenditure with macro breakdown.
Macro Calculator
Calculate protein, fat, and carb targets from calorie goal.
Water Intake Calculator
Daily water recommendation based on weight, activity, and climate.
Sleep Calculator
Find best sleep/wake times based on 90-minute sleep cycles.
Blood Pressure Calculator
Classify blood pressure using AHA 2017 guidelines.
Calories Burned Calculator
Estimate calories burned for 30+ activities using MET values.
Pace Calculator
Running pace, speed, time, and split calculator.
Ovulation Calculator
Find fertile window and estimated ovulation date.
Period Calculator
Predict upcoming periods and ovulation dates.
BAC Calculator
Estimate Blood Alcohol Content using the Widmark formula.
Dog Age Calculator
Convert your dog's age to human years (size-adjusted).
Carbon Footprint Calculator
Estimate your annual CO₂ emissions from driving, flights, energy, and diet.