Health & Fitness Calculators

Pet Age Calculator (Human Years)

Convert your dog or cat's age into human years accurately using the latest scientific formulas.

BMI Calculator (Body Mass Index)

Calculate your Body Mass Index (BMI) to see if you are at a healthy weight according to WHO standards.

BMR & TDEE Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) to know exactly how many calories you need.

Body Fat Percentage Calculator

Calculate your Body Fat Percentage instantly using tape measurements according to the U.S. Navy standards.

Ideal Weight Calculator

Calculate your ideal body weight based on your height and gender using clinical formulas and WHO BMI standards.

Calorie & TDEE Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE). Get personalized calorie targets for weight loss, maintenance, and muscle gain.

Pregnancy Due Date Calculator

Calculate your estimated due date from your Last Menstrual Period (LMP). See current gestational week, trimester, conception date, and progress tracking.

Ovulation Calculator

Free Ovulation Calculator to estimate your fertile window and ovulation date based on your menstrual cycle. Track safe days and next period date.

Water Intake Calculator

Calculate your daily water intake based on body weight, activity level, and climate. See results in liters, glasses, and bottles.

Protein Intake Calculator

Calculate your daily protein needs based on weight and fitness goal. See per-meal breakdown and food equivalents (eggs, chicken, paneer).

Sleep Calculator

Calculate the best time to sleep or wake up based on 90-minute sleep cycles. Get optimal bedtime and wake-up suggestions for better rest.

Macro Calculator

Calculate your daily macronutrient needs for weight loss, muscle gain, or maintenance. Free macro split calculator.