Science-backed health calculators to help you understand your body, track your fitness, and live healthier.
Calculate your Body Mass Index and find out if you are in a healthy weight range.
Find out exactly how much water you should drink daily based on your weight and activity.
Calculate the best times to wake up based on your sleep cycles for maximum energy.
Find out how many calories you burn during any physical activity or exercise.
Calculate your ideal body weight based on height, age, and gender.
Estimate your body fat percentage using simple body measurements.
Calculate your Total Daily Energy Expenditure to plan your diet precisely.
Calculate your estimated due date and track your pregnancy week by week.
Check your weight with the BMI Calculator, which uses the lower BMI cut-offs recommended for Indians, then find a target with the Ideal Weight Calculator. The Body Fat Calculator estimates body fat % with a measuring tape and flags belly-fat risk from your waist size.
For diet and fitness, find your maintenance calories with the TDEE Calculator, see what your workout burns with the Calorie Burn Calculator and set a daily target with the Water Intake Calculator. Plan better rest with the Sleep Cycle Calculator, and expecting parents can track weeks and days with the Pregnancy Due Date Calculator.
These tools are for general information only and are not medical advice — please talk to a doctor about your own health. Everything runs in your browser; nothing you enter is stored.