Health & Fitness Calculators

Fitness, Pregnancy, and General Health tools.

Fitness

BMI Calculator

Calculate Body Mass Index and healthy weight range.

Calorie Calculator

Estimate daily calorie needs based on activity level.

BMR Calculator

Calculate Basal Metabolic Rate (calories at rest).

Body Fat Calculator

Estimate body fat percentage (Navy / US Navy method).

Ideal Weight Calculator

Find your ideal body weight using multiple formulas.

Healthy Weight Calculator

Determine healthy weight range for your height.

Lean Body Mass Calculator

Calculate lean body mass and body fat mass.

Army Body Fat Calculator

US Army body fat percentage calculation.

Target Heart Rate Calculator

Calculate ideal heart rate zones for exercise.

One Rep Max Calculator

Estimate your 1RM for strength training.

Calories Burned Calculator

Estimate calories burned during different activities.

Pace Calculator

Calculate running/walking pace and time.

Pregnancy

Pregnancy Calculator

Calculate due date and track pregnancy progress.

Due Date Calculator

Estimate your baby's due date.

Ovulation Calculator

Predict your most fertile days.

Conception Calculator

Estimate conception date from due date or last period.

Period Calculator

Track and predict your menstrual cycle.

Pregnancy Conception Calculator

Calculate conception date during pregnancy.

Pregnancy Weight Gain Calculator

Track recommended weight gain during pregnancy.

Other Health Calculators

TDEE Calculator

Calculate Total Daily Energy Expenditure.

Macro Calculator

Calculate daily macronutrient needs.

Protein Calculator

Calculate daily protein requirements.

Carbohydrate Calculator

Calculate daily carbohydrate needs.

Fat Intake Calculator

Calculate healthy fat intake recommendations.

Body Surface Area Calculator

Calculate BSA for medical dosing.

BAC Calculator

Estimate Blood Alcohol Concentration.

Body Type Calculator

Determine your body type (ectomorph, mesomorph, endomorph).

GFR Calculator

Estimate Glomerular Filtration Rate (kidney function).