Free TDEE, running pace, and fitness calculators.

Use our free running pace calculator to find your pace, speed, and finish time for any distance — 5K to marathon.

Use our free running splits calculator to generate per-kilometre and per-mile split times for any race distance and goal pace.

Calculate even or negative splits for any race distance and goal time — perfect for pacing strategy on race day.

Use our free interval training calculator to plan work intervals, rest periods, and total workout duration for any structured session.

Use our free VDOT calculator to estimate your VDOT score and optimal training pace zones from a recent race time.

Use our free race time predictor to forecast your finish time for any distance using a recent race result and the Riegel formula.

Estimate your VO2 max and aerobic fitness category from a timed run with our free VO2 max calculator.

Use our free rowing calories calculator to estimate calories burned on the rowing machine by weight, duration, and intensity.

Use our free swimming calories calculator to estimate calories burned swimming by stroke, body weight, and session duration.

Use our free treadmill calorie calculator to estimate calories burned on the treadmill using speed, incline, weight, and duration.

Use our free walking calorie calculator to estimate calories burned walking based on your weight, pace, and distance.

Use our free calories burned running calculator to estimate total calories burned based on your weight, distance, and running pace.

Use our free bike calories calculator to estimate calories burned cycling based on your weight, duration, and effort level.

Use our free steps to calories calculator to convert your daily step count into estimated calories burned based on your weight.

Use our free body fat calculator to estimate your body fat percentage with the US Navy tape measurement method. Instant results.

Use our free lean body mass calculator to find your fat-free mass from weight and height using the Boer, James, and Hume formulas.

Use our free BMI calculator to calculate your Body Mass Index from weight and height with instant WHO health classification.

Use our free ideal weight calculator to find your healthy weight range using Devine, Hamwi, Robinson, and Miller formulas.

Use our free waist-to-height ratio calculator to measure cardiovascular health risk — a more accurate predictor than BMI alone.

Use our free waist to hip ratio calculator to measure your body shape and assess cardiovascular and metabolic health risk.

Estimate body composition from girth measurements using established formulas with our free body measurement calculator.

Use our free body recomposition calculator to project changes in fat mass and lean mass over time with a personalised plan.

Use our free steps per day calculator to set a personalised daily step goal based on your activity level and health targets.

Estimate a daily active calorie burn target based on your TDEE and activity level with our free move goal calculator.

Use our free barbell calculator to find the exact weight plates needed on each side of the bar for any target load.

Find the exact plate combination to load your barbell with our free plate weight calculator — supports all standard plate sizes.

Use our free powerlifting calculator to calculate your Wilks, DOTS, and IPF GL scores to compare strength across weight classes.

Use our free 1 rep max calculator to estimate your one-rep max using Epley, Brzycki, Lombardi, O'Conner, and Lander formulas.

Use our free training volume calculator to measure total sets, reps, and tonnage for any strength workout or training block.

Use our free strength ratio calculator to assess your push, pull, and leg strength ratios relative to your bodyweight.

Use our free RPE calculator to predict your working weight or rep count at any RPE value based on your training max.

Use our free push-up calculator to calculate push-up volume, relative strength score, and weekly progression targets.

Use our free pull-up calculator to calculate pull-up volume, weighted equivalents, and weekly progression milestones.

Generate a structured bodyweight workout plan tailored to your goal and equipment with our free home workout generator.

Use our free fat intake calculator to find your optimal daily fat intake in grams based on your total calorie and macro targets.

Use our free creatine calculator to find your daily creatine maintenance dose and loading phase amount by bodyweight.

Use our free protein powder calculator to find how many scoops per day you need to hit your daily protein target.

Use our free bulk calculator to find your daily calorie and macro targets for a controlled bulk based on your TDEE and surplus.

Use our free lean bulk calculator to calculate calories for a lean bulk with a capped surplus to minimise fat gain.

Use our free intermittent fasting calculator to find your eating and fasting windows for 16:8, 18:6, and other IF protocols.

Use our free TDEE calculator to find your Total Daily Energy Expenditure, BMR, and daily calorie needs using Mifflin-St Jeor.

Look up calories, protein, carbs, and fat for any Starbucks drink or food item with our free Starbucks macro calculator.

Calculate your macro targets on a carnivore diet from your weight and goals with our free carnivore macro calculator.

Find the exact calories, protein, carbs, and fat in your custom Subway order with our free Subway macro calculator.

Generate a structured daily meal plan tailored to your calorie and macro targets with our free meal plan generator.

Generate a goal-based weekly workout plan based on your training level and equipment with our free workout generator.

Track your daily weight, view moving averages, and monitor body weight trends over time with our free weight tracker.

Calculate total volume lifted with dumbbells across sets and exercises with our free dumbbell weight calculator.