โค๏ธ Health
BMI, calories, fitness and wellness calculators. ยท 34 calculators
Alcohol Units & Standard Drinks Calculator
Calculate alcohol units, US standard drinks, grams of alcohol and calories in a drink, free online.
Baby Feeding Amount Calculator
Estimate how much milk or formula a baby needs per day and per feed from weight and age, free online.
Blood Alcohol Content (BAC) Calculator
Estimate blood alcohol content using the Widmark formula โ for education only, free online.
Blood Pressure Category Calculator
Classify a blood pressure reading by the American Heart Association categories and see mean arterial pressure, free online.
BMI Calculator โ Body Mass Index
Calculate your Body Mass Index (BMI) and see your weight category instantly, free online.
BMR Calculator
Calculate your basal metabolic rate with the Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas, free online.
Body Fat Percentage Calculator (US Navy Method)
Estimate your body fat percentage using the US Navy method, free online.
Caffeine Half-Life Calculator
Estimate how much caffeine is still in your body after a number of hours and when it drops below a sleep-safe level, free online.
Calorie Calculator โ BMR & TDEE
Calculate your BMR and daily calorie needs (TDEE) for maintenance, weight loss or gain.
Calories Burned Calculator (MET-Based)
Estimate calories burned during any activity using MET values, free online.
Calories to Lose Weight Calculator
Calculate the daily calories needed to reach a goal weight by a target number of weeks, free online.
Cholesterol Ratio Calculator
Calculate your total/HDL cholesterol ratio, LDL/HDL ratio, non-HDL cholesterol and estimated LDL, free online.
Heart Rate Zone Calculator
Find your maximum heart rate and training zones for cardio, fat burn and peak effort.
Ideal Weight Calculator
Find your ideal body weight using the Devine formula, free online.
Intermittent Fasting Window Calculator
Plan your eating window and fasting hours for 16:8, 18:6, 20:4 or OMAD intermittent fasting, free online.
Lean Body Mass Calculator
Estimate your lean body mass and body fat percentage using the Boer formula, free online.
Macro Calculator โ Protein, Carbs, Fat
Calculate daily protein, carb and fat targets from your calorie goal, free online.
Medication Dose by Weight Calculator
Calculate a weight-based dose in mg, daily total and liquid volume from a prescribed mg/kg dose, free online.
Menstrual Cycle Length Calculator
Work out your average cycle length from past period start dates and predict the next periods, free online.
One-Rep Max Calculator (1RM)
Estimate your one-rep max for any lift using the Epley formula, free online.
Ovulation Calculator โ Fertile Window
Estimate your ovulation date and fertile window based on your cycle, free online.
Pack-Years (Smoking) Calculator
Calculate pack-years of smoking and the money spent on cigarettes, free online.
Pregnancy Due Date Calculator
Estimate your pregnancy due date from your last menstrual period, free online.
Pregnancy Weight Gain Calculator
Find your recommended total and week-by-week weight gain during pregnancy based on pre-pregnancy BMI, free online.
Protein Intake Calculator
Calculate your recommended daily protein intake from body weight and activity level, free online.
Sleep Cycle Calculator
Find the best bedtimes to wake up refreshed at the end of a 90-minute sleep cycle, free online.
Sleep Debt Calculator
Add up your sleep debt for the week and get a plan to catch up, free online.
Steps โ Distance & Calories Calculator
Convert steps to distance, calories and walking time โ or find the steps needed for a distance, free online.
TDEE Calculator
Estimate your total daily energy expenditure from BMR and activity level, with calorie targets for losing or gaining weight, free online.
Total Body Water Calculator
Estimate total body water in litres and as a percentage of body weight using the Watson formula, free online.
Waist-to-Height Ratio Calculator
Calculate your waist-to-height ratio and see what it says about health risk, free online.
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio and health risk level, free online.
Water Intake Calculator โ Daily Hydration
Calculate your recommended daily water intake based on weight and activity level.
Weight Loss Goal Date Calculator
Estimate the date you will reach your goal weight from a daily calorie deficit, free online.