Health & Fitness Calculators

Determine your Body Mass Index to find out if you're in a healthy weight range.

Compare heights between two or more people visually. Supports both feet/inches and centimeters.

Calculate daily calorie needs with Indian food database. Get BMR, BMI, TDEE and personalised meal suggestions for veg & non-veg diets.

Calculate your Basal Metabolic Rate using Mifflin-St Jeor and Harris-Benedict formulas. See TDEE at every activity level.

Find your ideal weight using four scientific formulas: Devine, Robinson, Miller, and Hamwi. Includes Asian BMI range comparison.

Estimate your body fat percentage using the US Navy tape-measure method. Shows fat mass, lean mass, and ACE fitness category.

Calculate your expected due date using Naegele's Rule. Get current gestational week, trimester, and key pregnancy milestones.

Find out how much water you should drink daily based on weight, activity, and Indian climate conditions. Includes hourly schedule.

Calculate your child's BMI-for-age percentile using CDC growth charts. Enter age (2–19), gender, height and weight for instant weight status.

Calculate BSA using 5 formulas: Mosteller, DuBois, Haycock, Gehan & George, and Boyd. Used in clinical drug dosing and burn assessment.

Calculate your Fat-Free Mass Index (FFMI). Enter weight, height and body fat % to find your lean mass score and see where you rank on the muscular development scale.

Find your ideal ergonomic desk height, chair height and monitor level based on your height. Covers both sitting and standing desks for a pain-free workspace.

Calculate your daily protein, carbohydrates, and fat targets based on weight, height, activity level, and goal. Supports keto, high-protein, low-carb, and custom macro splits with per-meal breakdown.

Set and track fitness goals for weight loss, running, and strength training. Uses Mifflin-St Jeor BMR, Riegel race prediction, and Epley 1RM formula. Includes week-by-week timeline and milestone progression plan.

Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor formula. Get BMR, TDEE, and calorie targets for weight loss, maintenance, and muscle gain. Includes macro breakdown, adjustment planner, and activity quiz.

Find the ideal bedtime or wake-up time based on 90-minute sleep cycles. Helps you wake up feeling refreshed by timing your alarm to the end of a cycle.

Convert dog years to human years using the AKC size-adjusted formula. Determine your dog's life stage (puppy, junior, adult, mature, senior, geriatric).

Estimate blood alcohol content using the Widmark formula. Enter drinks consumed, weight, and time elapsed to estimate BAC and time to sober up.

Estimate your VO2 max (maximal aerobic capacity) using the Rockport Walk Test or 1.5-mile run test. Includes ACSM fitness category norms by age and gender.

Calculate your waist-to-hip ratio (WHR) and assess cardiovascular risk. Includes WHO standards for abdominal obesity and body shape classification.

Calculate your maximum heart rate using multiple formulas (220−age, Tanaka, Gellish). Includes heart rate training zones for fat burn, cardio, and peak performance.

Find your target heart rate zones for different training intensities using the Karvonen formula. Set effective workout goals for fat burning, cardio, and peak performance.

Convert HbA1c (A1c) to estimated average glucose (eAG). Supports NGSP (%) and IFCC (mmol/mol) units for diabetes monitoring and management.

Calculate calories and macros to simultaneously lose fat and gain muscle. Get personalised TDEE, calorie deficit, and protein targets for body recomposition.

Calculate your estimated 1 rep max (1RM) bench press using multiple formulas. Compare against strength standards by bodyweight and get a plate-loading guide.

Calculate your vertical jump height from flight time or reach measurements. Includes Lewis and Sayers formulas for explosive leg power and NBA/athlete comparison norms.