9 free tools in this category
Health and fitness calculators for BMI, calories, body composition, and nutrition. Track your wellness goals with accurate calculations.
Estimate your body fat percentage using the U.S. Navy method. Enter height, waist, neck, and hip measurements for instant category and lean mass results.
Calculate your Body Mass Index (BMI) instantly with imperial or metric units. See your BMI category, healthy weight range, and visual BMI scale chart.
Calculate your Basal Metabolic Rate using both Mifflin-St Jeor and Harris-Benedict equations. Compare results side by side with estimated TDEE for each activity level.
Calculate your daily calorie needs based on age, gender, height, weight, and activity level using the Mifflin-St Jeor equation. Includes macro breakdown.
Calculate your Total Daily Energy Expenditure (TDEE) with the Mifflin-St Jeor equation. Compare five activity levels with calorie targets for cutting and bulking.
Calculate your ideal weight using four established formulas: Devine, Robinson, Miller, and Hamwi. Compare results side by side with BMI-based healthy weight range.
Estimate your ovulation date and 6-day fertile window based on your cycle length and last period. See projected cycles with period, ovulation, and fertility dates.
Calculate your estimated due date, gestational age, trimester, and key pregnancy milestones using Naegele\
Calculate your daily water intake based on weight, activity level, and climate. See results in ounces, cups, liters, and hourly targets with a visual breakdown.