🏃 Health & Fitness

Health & Fitness

32 calculators

A1C Calculator Convert an HbA1c percentage into estimated average glucose in both mg/dL and mmol/L.
Age in Days Calculator Find out exactly how many days, weeks, months and hours old you are today.
Alcohol Calorie Calculator Calculate the calories in a drink from its volume and ABV, based on the 7 calories per gram of pure alcohol.
Baby Growth Calculator Compare your baby’s weight and length against average growth for their age.
Blood Alcohol Calculator Estimate blood alcohol concentration from your weight, sex, number of drinks and hours elapsed.
Blood Pressure Calculator Calculate mean arterial pressure and pulse pressure from systolic and diastolic readings, with the standard category.
BMI Calculator — Body Mass Index Free BMI calculator. Enter your weight and height to get your Body Mass Index and health category instantly.
BMR Calculator — Basal Metabolic Rate Calculate your Basal Metabolic Rate (BMR) with the Mifflin-St Jeor equation. See how many calories your body burns at rest.
Body Fat Calculator Estimate body fat percentage from tape measurements using the US Navy circumference method.
Body Surface Area Calculator Estimate body surface area with three published formulas and see how far apart they land.
Calorie Calculator Calculate your basal metabolic rate and the daily calories you need to maintain your current weight.
Calorie Deficit Calculator Work out the daily calorie target needed to reach a goal weight by a chosen date.
Cat Age Calculator Convert your cat’s age into human years and see the life stage they are in.
Dog Age Calculator Convert your dog’s age into human years, adjusted for breed size.
Heart Rate Zone Calculator Calculate your maximum heart rate and personalised training zones using the Karvonen method.
Ideal Weight Calculator Compare ideal body weight estimates from four standard clinical formulas.
Lean Body Mass Calculator Estimate lean body mass and fat mass using the Boer formula.
Macro Calculator Split your daily calories into grams of protein, carbohydrate and fat.
One Rep Max Calculator Estimate your one repetition maximum from a set you have already completed, using three standard formulas.
Ovulation Calculator Predict your ovulation date, fertile window and next period from your last period and cycle length.
Pace Calculator Convert a run distance and time into pace per kilometre and per mile, plus average speed.
Pregnancy Due Date Calculator Estimate your due date from the first day of your last period using Naegele’s rule.
Pregnancy Weight Gain Calculator See the recommended total weight gain range for your pre-pregnancy BMI.
Protein Intake Calculator Calculate how many grams of protein you need each day based on your weight and goal.
Running Calories Calculator Estimate the calories burned on a run from your weight, distance and time.
Sleep Calculator Find the best times to go to sleep based on 90-minute sleep cycles and your wake-up time.
Steps to Miles Calculator Convert a step count into distance and estimated calories using your height.
TDEE Calculator — Total Daily Energy Expenditure Calculate your TDEE from your BMR and activity level. See how many calories you burn per day and plan your intake.
VO2 Max Calculator Estimate VO2 max from the Cooper 12-minute run test.
Waist-to-Hip Ratio Calculator Calculate your waist-to-hip ratio and see which health risk band it falls into.
Walking Calories Calculator Estimate how many calories you burn walking, based on your weight, time and speed.
Water Intake Calculator Calculate how much water to drink each day based on your weight, exercise and climate.