What's Inside
Every tool you actually need.
No clutter, no upsells — just the calculators and data that matter.
Calorie Calculator
BMR & TDEE using Mifflin-St Jeor, Harris-Benedict, and Cunningham equations. Get a personalized daily target in under a minute.
Calculate now →Food Index
Search calories, macros, and micronutrients across 450+ dishes from 12 cuisines plus a global whole-food database.
Browse foods →Macro Calculator
Protein, carbs, and fat targets tuned to your goal.
BMI Calculator
WHO-standard body mass index, instantly.
Water Calculator
Daily hydration needs based on your body and activity.
RDA Calculator
Personalized vitamin & mineral targets.
Supplement Guide
99 supplements across 5 tiers, each rated for evidence quality and safety using NIH, Cochrane, and WHO sources — never blogs or marketing claims.
Browse the guide →Simple by Design
Three steps. No account.
Enter your numbers
Age, weight, height, and activity level — that's it. Nothing leaves your browser.
Get your results instantly
Three scientific equations calculated in real time, with a clear recommendation.
Explore & go deeper
Check the food database, plan macros, or browse evidence-rated supplements.
🌍 Global Food Index
Twelve cuisines. Hundreds of dishes.
Every dish comes with full calorie, macro, and micronutrient data.
Why CaloriePlex
Built differently, on purpose.
Peer-reviewed, not guesswork
Every equation and every supplement rating traces back to published research — NIH, Cochrane, WHO — never marketing copy.
Private by default
Calculations run entirely in your browser. We don't collect your health data or require an account to use any tool.
Genuinely free
No premium tier, no paywalled results, no "unlock with subscription" — every tool is fully usable at no cost.
Fast, no friction
No signup forms, no email gates. Enter your numbers and get your answer in seconds.
Ready to find your numbers?
Three peer-reviewed equations. One clear answer. Sixty seconds.
Calculate My Calories →