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Health Calculators
Free, instant health calculators: calories, steps, distance, TDEE, macros and more. No account, no sign-up.
Steps to Calories Calculator
Convert steps walked into calories burned. Enter your steps and weight for an instant, science-based estimate.
Walking Calorie Calculator
Calculate calories burned walking by time and pace. Enter how long you walked and how fast for an instant estimate.
Calories Burned Walking Calculator
Find out how many calories you burned walking a given distance. Enter your distance and weight for a fast estimate.
Calories Burned by Steps
See calories burned for any step count (5,000, 10,000, 15,000 and more) based on your body weight.
Steps to Miles Calculator
Convert your steps into miles and kilometres. Enter your step count (and height for accuracy) to see the distance.
Walking Distance Calculator
Calculate how far you walked from time and pace, or from your step count. Distance in both miles and kilometres.
Calories Burned Calculator
Calculate calories burned for any activity, from running to cycling to weights, using your weight and time (MET method).
Miles to Steps Calculator
Convert miles or kilometres into steps, using your height for an accurate stride. The reverse of steps to miles.
Calorie Calculator
Find how many calories to eat per day to lose, maintain or gain weight, based on your body, activity and goal.
Calorie Intake Calculator
Work out how many calories to eat per day for your goal, from weight loss to muscle gain, based on your body and activity.
BMR Calculator
Calculate your Basal Metabolic Rate, the calories your body burns at complete rest, with the Mifflin-St Jeor equation.
BMI Calculator
Calculate your Body Mass Index from your height and weight, and see your WHO weight category and healthy range.
Body Fat Calculator
Estimate your body fat percentage with the US Navy method, using your height, neck and waist measurements.
Ideal Weight Calculator
Find your ideal body weight for your height and sex, using the Devine, Robinson and Hamwi formulas plus a healthy BMI range.
TDEE Calculator
Calculate your Total Daily Energy Expenditure, the calories you burn per day, using the Mifflin-St Jeor equation.
Maintenance Calories Calculator
Find the calories you need to maintain your current weight, based on your body and activity level.
Calorie Deficit Calculator
Calculate the daily calorie deficit you need to reach your weight-loss goal at a safe, sustainable pace.
Protein Calculator
Find how much protein to eat per day for your goal, from muscle gain to fat loss, based on your body weight.
Water Intake Calculator
Find how much water to drink per day, based on your body weight and activity level. Get the amount in litres and cups.
Weight Loss Calculator
See how long it takes to reach your goal weight at a safe pace, from your current weight and a daily calorie deficit.
Target Heart Rate Calculator
Find your maximum heart rate and training zones, using your age and the 220 minus age and Karvonen methods.
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio and see your health-risk category, based on your waist and hip measurements.
Lean Body Mass Calculator
Estimate your lean body mass with the Boer and James formulas, from your weight, height and sex.
Macro Calculator
Split your daily calories into protein, carbs and fat. Choose a preset or set your own ratio.