Calculators for nutrition, body metrics, fitness tracking, and healthy living.
22 CalculatorsProject your weight loss timeline on Wegovy, Zepbound, or Saxenda using published STEP and SURMOUNT clinical trial data. Ranges, not guesses. Clinical sources cited.
Estimate your biological age based on lifestyle factors including exercise, sleep, diet, stress, and habits.
Calculate your Body Mass Index and see where you fall on the weight scale. Includes BMI chart and healthy weight range for your height.
Calculate your Basal Metabolic Rate using the Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas. Find your TDEE by activity level and compare all three formulas side by side.
Estimate your body fat percentage using the US Navy method. Enter neck, waist, and hip measurements to get your body fat and lean mass estimates.
Find your ideal body weight range based on height, gender, and frame size using multiple established formulas including Hamwi, Devine, and Robinson.
Calculate your recommended daily water intake based on weight, activity level, and climate. Includes hydration tips and how to track your daily intake.
Calculate how many calories you burn during any exercise or activity using MET values. Covers 50+ activities from walking and running to swimming and cycling.
Calculate your daily calorie needs based on age, height, weight, and activity level. Includes calorie targets for weight loss, maintenance, and muscle gain.
Calculate exactly how many calories to eat to lose weight. Get your personalized daily calorie target, projected goal date, weight loss timeline, and ideal macros.
Calculate your ideal protein, carbohydrate, and fat targets based on your goals. Supports weight loss, muscle gain, maintenance, and keto macros.
Calculate your daily protein needs based on weight, activity level, and fitness goals. Includes high-protein food sources and meal planning tips.
Calculate your Total Daily Energy Expenditure — the exact number of calories your body burns each day. Essential for accurate weight management and diet planning.
Plan your intermittent fasting schedule with eating and fasting windows for 16:8, 18:6, 5:2, and other popular IF protocols.
Calculate your one-rep maximum for any lift using multiple established formulas. Includes percentage-based training weight recommendations.
Calculate your running or walking pace, finish time, or distance. Convert between min/mile and min/km. Includes pace charts for common race distances.
Find the best bedtime or wake-up time based on sleep cycles. Calculate optimal wake times to feel refreshed.
Calculate your ovulation date and fertile window based on your cycle length. Includes a fertility calendar and ovulation tracking tips.
Calculate your due date, current week of pregnancy, and key milestones from your last menstrual period or conception date.
Calculate calories in beer, wine, cocktails, and spirits. See how alcohol fits your daily calorie budget, how long to burn it off, and a full drinks calorie chart.
Calculate your Blood Alcohol Content using the Widmark formula. See your current BAC, when you'll be under the legal limit, and how long until sober.