100% Free · No signup required

Free Health & Nutrition Calculators

Ten calculators covering everything from BMI to body fat percentage. Each one runs instantly in your browser, needs no account or email, and tells you exactly which formula it used — Mifflin-St Jeor, Devine, U.S. Navy — so you can check the number rather than trust it blindly. Nothing you type is sent anywhere.

BMI Calculator

Check your Body Mass Index and healthy weight range from your height and weight.

Calculate free

BMR Calculator

Find your Basal Metabolic Rate — the calories your body burns at complete rest.

Calculate free

TDEE Calculator

Estimate your Total Daily Energy Expenditure — the calories you burn including activity.

Calculate free

Ideal Weight Calculator

See your healthy weight range using three medically recognised formulas.

Calculate free

Daily Calorie Calculator

Get a daily calorie target to lose, maintain, or gain weight safely.

Calculate free

Protein Intake Calculator

Find your recommended daily protein range based on weight, activity, and goal.

Calculate free

Water Intake Calculator

Estimate your daily fluid target based on your weight, activity, and climate.

Calculate free

Calorie Deficit Calculator

Work out the daily calorie deficit needed to reach a target weight, safely.

Calculate free

Body Fat Percentage Calculator

Estimate body fat percentage using the U.S. Navy tape-measurement method.

Calculate free

Waist-to-Height Ratio Calculator

A simple, powerful indicator of metabolic health risk from two measurements.

Calculate free

Want these numbers built into a personalized diet plan automatically?

Without AaharIQ — you're scanning labels with your naked eye, missing hidden additives, E-numbers, and FSSAI violations that could silently harm your health over time.

AaharIQ · Free AI Food Scanner

🔍 Know what's really in your food — Scan with AaharIQ

India's free AI food scanner. Detect harmful additives, FSSAI violations & allergens in any packaged food. Get a BUY or AVOID verdict in seconds.

📱 Google Play — Free

Coming Soon🍎 App Store

✓ Free forever✓ No login required to scan✓ FSSAI-verified database

Or use the web app: aahariq.com →