Free nutrition tools
Calculators
Look up food calories, estimate TDEE and BMI, and compare Cal AI with popular trackers.
TDEE calculator
Estimate maintenance calories from age, height, weight, and activity.
Calorie deficit calculator
Estimate maintenance calories and a daily target for steady fat loss.
Protein intake calculator
Daily protein range based on body weight and training or fat-loss goals.
Macro calculator
Split daily calories into protein, carbs, and fat grams.
BMI calculator
Check body mass index from height and weight.
Track meals with your camera
Cal AI turns meal photos into calorie estimates without heavy setup.
Get Cal AI