Free calculators for nutrition, dieting and daily life
Calculate calories, macros, protein targets, deficit timing, keto suitability and portion nutrition directly in your browser. These tools give quick estimates – in Athletic-AI you can later plan and track more precisely.
What tools are included?
These calculators help you quickly estimate common nutrition questions. They do not replace individual advice, but they provide useful starting points for calories, macros and portions.
Calorie calculator
Estimate calories, BMR, maintenance and rough macro targets.
Core tool → 💪 NutritionProtein calculator
Estimate a useful daily protein target based on weight and goal.
High protein → 🏋️ Training1RM Calculator
Estimate your maximum weight for one specific exercise and derive useful training zones.
Strength → 📉 Diet & CutDeficit calculator
Estimate how long a target weight could take with a chosen deficit.
Goal planning → 🍽️ Recipes & Daily LifePortion calculator
Scale nutrition values from 100 g to your real portion size.
Recipe helper → 🥑 Diet typeKeto check
Check net carbs and macro distribution for keto or low carb.
Low carb →Important note
The results are not a medical diagnosis or personal nutrition advice. Use them as orientation and track your progress over several weeks.
From rough estimates to real planning
The public tools help with quick calculations. In Athletic-AI you can later connect these values with your diary, recipes, pantry, shopping list, body data and statistics.
- Ernährungstagebuch
- Kalorien- und Makroziele
- Rezepte und Mahlzeiten
- Einkaufsliste
- Vorratskammer
- Körperdaten und Fortschritt