Quick, private calculators for your body, your training, your nutrition and the journeys life brings. Get a clear number in seconds, and talk to Seri on WhatsApp whenever you want to know what it means for you.
Where you stand today, in numbers you can actually use.
See your body mass index and what range it falls in, with Asian-Indian cut-offs too.
Open →Estimate your body fat percentage from a few tape measurements, the US Navy way.
Open →A sensible target weight for your height, with the healthy range around it.
Open →How much of you is muscle, bone and water, the part worth protecting as you age.
Open →Your BSA in square metres, used by clinicians for dosing and assessment.
Open →Find your frame, ectomorph, mesomorph or endomorph, from a simple wrist measurement.
Open →What your body burns, and what your training is really doing.
Your total daily energy expenditure, the calories you actually burn in a day.
Open →How many calories to eat to lose, maintain or gain, at a pace that lasts.
Open →Roughly how many calories an activity burns, based on your weight and time.
Open →Your pace and speed from a distance and a time, for runs and walks.
Open →Estimate your one-rep max from a lighter set, plus a full percentage table.
Open →Your training zones, from gentle recovery to maximum effort, using your resting rate.
Open →Turn a calorie target into a plate you can plan around.
Turn your calorie target into protein, carbs and fat in grams, your way.
Open →How many grams of carbs fit a healthy share of your daily calories.
Open →A sensible daily fat range in grams, based on your calorie needs.
Open →Your daily protein target and how to split it across meals.
Open →Quick reads on the numbers your doctor watches.
Cycles, conception and the weeks ahead, made clearer.
Predict your next few periods and your fertile window from your last cycle.
Open →A healthy weight-gain range for your week, based on your pre-pregnancy BMI.
Open →Estimate when conception likely happened, from your last period or your due date.
Open →Find your most fertile days so you can plan around them.
Open →Your estimated due date, current week and trimester in one tap.
Open →Every tool here ends with one message to Seri, your AI health companion on WhatsApp, who turns the number into a plan that fits your life.
Chat with Seri