Sports & Fitness
10 tools available
Pace calculators, calorie burn trackers, rep max calculators, and training tools.
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Running Pace Calculator
Calculate running pace, time, or distance. See split times for 5K, 10K, half marathon, and marathon distances.
Calories Burned Calculator
Work out how many calories you burned walking, running, cycling, or on the treadmill. Uses MET values for 20+ activities and your weight.
One Rep Max Calculator
Estimate your one rep max using Epley, Brzycki, Lombardi, and O'Conner formulas. Includes a training percentage chart.
Target Heart Rate Calculator
Calculate your heart rate training zones using the Karvonen formula. See recovery, fat burn, cardio, peak, and max zones.
Race Time Predictor
Predict your finish times for any race distance using the Riegel formula. Enter a known result and get predictions for 5K, 10K, half marathon, and marathon.
Exercise Hydration Calculator
Work out how much water to drink before, during, and after your workout. Personalised to your weight, exercise intensity, and temperature.
Protein Calculator
Find out how much protein you need daily based on body weight, activity level, and goals. See per-meal breakdowns and food sources.
Heart Rate Zone Calculator
Calculate your five heart rate training zones using the Karvonen formula. Enter age and resting HR to see personalised BPM ranges.
Creatine Calculator
Work out how much creatine you should take daily based on body weight. Shows loading phase protocol, maintenance dose, and water intake guidance.
Body Recomposition Calculator
Calculate calorie and macro targets for body recomposition. Get protein, carb, and fat splits for training and rest days.