Your Personal
Health Calculator
Free, accurate health tools to help you track BMI, calories, sleep, hydration, heart rate, and metabolism — all in one place.
My Super Diet Plan
Tell us what ingredients you have at home and we'll instantly generate healthy, delicious recipes — just like Supercook, but tailored for your diet goals. No food wasted, no ideas needed.
Find Recipes Now →- 🍲 Veggie Stir Fry
- 🥗 Garden Frittata
- 🍜 Roasted Soup
12 Health Tools, All Free
Pick a tool and get instant, accurate health insights with no registration required.
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BMI & Weight
BMI Calculator
Calculate your Body Mass Index instantly with metric or imperial units.
Ideal Weight
Find your healthy target weight range using three medical formulas.
Body Fat Calculator
Estimate body fat percentage with the U.S. Navy tape-measure method.
Waist-to-Hip Ratio
Check fat distribution and related health risk per WHO guidance.
Calories & Metabolism
Calorie Database
Look up calories and macros in 80+ foods across every category.
BMR Calculator
Calculate your basal metabolic rate and daily calorie needs.
BMR Analysis
Deep-dive your metabolic health with goal planning and macros.
Calorie Deficit
Get a daily target and timeline to safely reach your goal weight.
Activity, Sleep & Hydration
Why Choose Calocalu?
Built for accuracy, speed, and your privacy.
Established Formulas
Every calculator uses a named, publicly documented formula — see exactly which one on our Methodology page.
Instant Results
No loading screens, no sign-ups. Get your results the moment you click calculate.
100% Private
Everything runs in your browser. Your health data never leaves your device.