aifithub
AI Fit Hub
Know your numbers. Train smarter.
Browse All Tools →
12 tools · Free · No signup
Tool Finder
12 tools shown
Nutrition
4 tools
Nutrition
TDEE
Estimate your daily energy expenditure with Mifflin-St Jeor + activity factors.
Nutrition
Macros
Convert calorie targets into protein, carbs, and fat grams for your goal.
Nutrition
Protein Intake
Get daily protein targets based on training level and goal.
Nutrition
Water Intake
Calculate daily water intake based on weight, activity level, and climate.
Cardio
1 tool
Body Composition
4 tools
Body Composition
BMI
Calculate BMI quickly with a plain-language range explanation and limitations.
Body Composition
Body Fat %
Estimate body fat percentage using the U.S. Navy circumference method.
Body Composition
Ideal Weight
Compare Devine, Robinson, Miller, and Hamwi formulas as a realistic range.
Body Composition
Waist-to-Hip Ratio
Calculate waist-to-hip ratio and assess body composition using WHO guidelines.
Recovery
1 tool