Free Health & Nutrition Calculators
Use our free tools to calculate your BMI, daily calorie needs, macros, and more. Get accurate results instantly to support your health journey.
BMI Calculator
Calculate your Body Mass Index (BMI) instantly. Find out if you're underweight, normal, overweight, or obese based on your height and weight.
BMR Calculator
Calculate your Basal Metabolic Rate — the calories your body burns at rest. Uses Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas.
TDEE Calculator
Calculate your Total Daily Energy Expenditure. Find out how many calories you burn per day based on your activity level.
Calorie Deficit Calculator
Calculate your ideal calorie deficit for weight loss. Find out how many calories to eat to reach your goal weight safely.
Calorie Burn Calculator
Calculate calories burned during exercise and activities. Choose from 45+ activities with MET values.
Weight Loss Timeline Calculator
Calculate how long it will take to reach your goal weight. Get a realistic timeline with milestone checkpoints.
Macro Calculator
Calculate your daily protein, carbs, and fat needs based on your goals. Perfect for muscle building, weight loss, or maintenance.
Protein Intake Calculator
Calculate your daily protein needs based on your weight, activity level, and fitness goals.
Ideal Body Weight Calculator
Calculate your ideal body weight based on your height, age, and gender using multiple scientific formulas.
Body Fat Percentage Calculator
Estimate your body fat percentage using the U.S. Navy method. Get insights into your body composition.
Lean Body Mass Calculator
Calculate your lean body mass (muscle, bone, organs) using multiple formulas. Track your body composition.
Waist-to-Hip Ratio Calculator
Calculate your WHR to assess health risks. Better predictor of cardiovascular disease than BMI.
Water Intake Calculator
Calculate how much water you should drink daily based on your weight, activity level, and climate.
One Rep Max Calculator
Calculate your 1RM for any lift. Get percentage-based training loads using Epley, Brzycki, and other formulas.
Running Pace Calculator
Calculate running pace, finish time, or distance. Perfect for 5K, 10K, half marathon, and marathon planning.
Intermittent Fasting Calculator
Plan your IF schedule with eating and fasting windows. Supports 16:8, 18:6, 20:4, OMAD, and custom protocols.
Track Your Nutrition Automatically
Skip the manual calculations. Pandish uses AI to scan your food and track calories, macros, and nutrients automatically.