Health & Fitness Calculators
BMI, calories, body composition, pregnancy and training calculators.
Anorexic BMI Calculator
Calculate BMI with detailed underweight severity categories.
23.6AArmy Body Fat Calculator
Estimate body fat percentage using the U.S. Army tape-test method.
11.1%BBAC Calculator
Estimate blood alcohol content using the Widmark formula.
1.954%BBMI Calculator
Calculate Body Mass Index and see your weight category.
23.6BBMR Calculator
Calculate your Basal Metabolic Rate — calories burned at rest.
1,676 kcal/dayBBody Fat Calculator
Estimate body fat percentage using the U.S. Navy tape-measure method.
11.5%BBody Surface Area Calculator
Calculate body surface area using the Mosteller formula (used for drug dosing).
1.88 m²BBody Type Calculator
Estimate your body frame type (somatotype) from your wrist size and height.
Mesomorph (athletic frame)CCalorie Calculator
Estimate your daily calorie needs to maintain, lose or gain weight.
2,598 kcal/dayCCalories Burned Calculator
Estimate calories burned during exercise using MET values.
373 kcalCCarbohydrate Calculator
Calculate a daily carbohydrate target from your calorie goal.
248 gCConception Calculator
Estimate your most likely conception date.
FFat Intake Calculator
Calculate a daily fat intake target from your calorie goal.
73 gFFood Points Calculator
Estimate a points value for a food from its calories, sugar, saturated fat and protein.
9GGFR Calculator
Estimate kidney function (eGFR) using the 2021 CKD-EPI creatinine equation.
92 mL/min/1.73m²HHealthy Weight Calculator
Find the healthy weight range for your height based on BMI.
56.8–76.5 kg (125.3–168.6 lb)IIdeal Weight Calculator
Estimate a healthy target weight for your height using the Devine formula.
70.7 kg (155.9 lb)LLean Body Mass Calculator
Calculate lean body mass (everything except fat) using the Boer formula.
57.1 kg (126 lb)MMacro Calculator
Split a daily calorie target into protein, carb and fat grams.
165 gOOne-Rep Max Calculator
Estimate your one-rep max (1RM) from a weight and rep count.
216 lbOOverweight Calculator
Find out how much above a healthy BMI range your current weight is.
23.6OOvulation Calculator
Estimate your ovulation date and fertile window.
PPace Calculator
Calculate your running pace and speed from distance and time.
5:00 / kmPPeriod Calculator
Predict your next few period start dates.
PPregnancy Calculator
Track gestational age, trimester and due date from your last period.
PPregnancy Conception Calculator
Estimate your conception date from your due date.
PPregnancy Due Date Calculator
Estimate your baby's due date from your last menstrual period.
PPregnancy Weight Gain Calculator
Find the recommended pregnancy weight gain range for your pre-pregnancy BMI.
11.5–16 kg (25.35–35.27 lb)PProtein Calculator
Calculate your daily protein target based on body weight and activity goal.
87 gTTarget Heart Rate Calculator
Find your training heart-rate zones using the Karvonen formula.
128–153 bpmTTDEE Calculator
Calculate your Total Daily Energy Expenditure.
2,598 kcal/day