Health Calculators

Calculate your Body Mass Index (BMI) using height and weight. Supports both metric and imperial units with category classification.

Calculate your ideal body weight using the Devine, Robinson, Miller, and Hamwi formulas based on height and gender.

Estimate body fat percentage using the US Navy method. Enter measurements for waist, neck, height, and hips.

Calculate calories burned during exercise based on activity type, duration, and body weight.

Calculate your target heart rate training zones based on age. Find zones for fat burn, cardio, and peak performance.

Calculate your running pace per mile or kilometer. Enter distance and time to find your pace and speed.

Calculate body surface area (BSA) in square meters using the Mosteller formula. Supports imperial and metric units.

Advanced running pace calculator. Solve for pace, finish time, or distance. Calculate splits for km or miles.

Calculate your daily calorie needs (TDEE) and basal metabolic rate (BMR). Based on the Mifflin-St Jeor equation.

Calculate your daily protein, carb, and fat targets based on your calorie goal and macro split.

Calculate your Basal Metabolic Rate (BMR) using both Mifflin-St Jeor and Harris-Benedict formulas. Supports imperial and metric units.

Calculate your recommended daily water intake based on body weight and activity level. Results in liters, ounces, and cups.

Calculate your recommended daily protein intake based on body weight, fitness goal, and activity level.

Estimate your ovulation date and fertile window based on your last menstrual period and cycle length.

Calculate your estimated due date using last menstrual period, conception date, or IVF transfer date. Shows gestational age and trimester.

Calculate recommended pregnancy weight gain based on pre-pregnancy BMI and gestational week, following IOM guidelines.