Health & Lifestyle
Access our free health and wellness calculators. Calculate your BMI, daily calorie needs, body fat percentage, ideal weight, water intake, and more. These evidence-based tools help you track and understand key health metrics. All calculations happen in your browser — your data stays private and no account is required.
15 tools
BMI Calculator
Calculate your Body Mass Index (BMI) and find out your weight category.
→Calorie Calculator
Calculate your daily calorie needs based on age, gender, weight, height and activity level.
→Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy method with simple measurements.
→Ideal Weight Calculator
Calculate your ideal weight range based on height, age, and gender using multiple formulas.
→Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity, and climate.
→Sleep Calculator
Calculate optimal bedtime or wake time based on 90-minute sleep cycles.
→Pregnancy Calculator
Calculate your due date from last menstrual period or conception date with trimester timeline.
→Pace Calculator
Calculate running or walking pace, finish time, or distance with split times.
→Breathing Exercise
Guided breathing timer with animated visuals. Preset patterns: 4-7-8 Relaxation, Box Breathing, Calm and Energizing modes.
→Noise Generator
Generate white, pink, and brown noise for focus, sleep, and relaxation. Mix types, set timers, and visualize waveforms.
→Blood Pressure Tracker
Track and classify your blood pressure readings. Log history, view charts, calculate averages, and export CSV.
→TDEE Calculator
Calculate your Total Daily Energy Expenditure based on age, weight, height, and activity level.
→Macro Calculator
Calculate your daily macronutrient needs: protein, carbs, and fat based on your goals.
→Ovulation Calculator
Calculate your fertile window and estimated ovulation date based on your menstrual cycle.
→Blood Alcohol Calculator
Estimate your blood alcohol content (BAC) based on weight, drinks, and time.
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