Precision calculators for athletes and coaches.

Calculate your running pace, speed, and finish time for any distance.

Generate per-kilometre and per-mile split times for your target race pace.

Calculate even or negative splits for any race distance and goal time.

Calculate interval times, rest periods, and total workout duration for structured training.

Estimate your VDOT score and training pace zones from a recent race time.

Predict your finish time for any race distance using a recent performance and the Riegel formula.

Estimate your VO2 max and aerobic fitness category from a timed running distance.

Estimate calories burned during rowing based on weight, duration, and intensity.

Estimate calories burned swimming based on stroke, weight, and duration.

Estimate calories burned on the treadmill using speed, incline, weight, and duration.

Estimate calories burned walking based on your weight, pace, and distance.

Estimate total calories burned running based on weight, distance, and pace.

Estimate calories burned cycling based on weight, duration, and effort level.

Convert daily step count into estimated calories burned based on your weight.

Estimate your body fat percentage using the US Navy tape measurement method.

Calculate your lean body mass using the Boer formula from weight and height.

Calculate your Body Mass Index from weight and height with health classification.

Find your ideal weight range using Devine, Hamwi, Robinson, and Miller formulas.

Calculate your waist-to-height ratio and assess cardiovascular health risk.

Calculate your waist-to-hip ratio and determine health risk classification.

Estimate body composition from girth measurements using established formulas.

Project changes to fat mass and lean mass over time with a recomposition plan.

Calculate 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.

Calculate the weight plates needed on each side of a barbell for any target load.

Find the exact plate combination needed to load a barbell to your target weight.

Calculate your Wilks, DOTS, and IPF GL scores to compare strength across weight classes.

Estimate your one-rep max using Epley, Brzycki, Lombardi, O'Conner, and Lander formulas.

Calculate total training volume in sets, reps, and tonnage for any workout.

Assess your push, pull, and leg strength ratios relative to your bodyweight.

Predict your working weight or rep count at any RPE based on your training max.

Calculate push-up volume, relative strength, and weekly progression targets.

Calculate pull-up volume, weighted equivalents, and progression milestones.

Generate a structured bodyweight workout plan based on your goal and available equipment.

Calculate your optimal daily fat intake in grams based on total calorie targets.

Calculate your daily creatine maintenance dose and loading phase amounts by bodyweight.

Find out how many protein powder scoops you need to hit your daily protein target.

Calculate daily calorie intake for a controlled bulk based on TDEE and surplus size.

Calculate calories for a lean bulk with capped surplus to minimise fat gain.

Calculate your eating and fasting windows based on your chosen IF protocol.

Calculate your Total Daily Energy Expenditure using the Mifflin-St Jeor equation.

Look up calories, protein, carbs, and fat for popular Starbucks drinks and food items.

Calculate your macro targets on a carnivore diet from your weight and goals.

Find the calories, protein, carbs, and fat in your custom Subway order.

Generate a structured daily meal plan tailored to your calorie and macro targets.

Generate a goal-based weekly workout plan based on your training level and equipment.

Track your daily weight, view moving averages, and monitor trends over time.

Calculate total volume lifted with dumbbells across sets and exercises.