Six calculators. No sign-up.
Quick numbers for the questions people ask us first. Everything runs in your browser — nothing is sent anywhere.
Calorie & macros
Mifflin–St Jeor estimate of your daily calorie target and macro split, tuned to your goal.
BMI & ideal weight
BMI plus waist-to-height ratio and your healthy weight range for your height.
Protein needs
How many grams of protein your day actually needs based on your weight, goal, and training.
Water & steps
A daily hydration target and step goal based on your body, climate and goal.
Body-fat estimator
US Navy circumference method — no calipers. Plus your lean-mass estimate.
Health assessment
Complete the 5-step health assessment to get your BMI, TDEE, calories & target plan.