Carbohydrate Calculator

The Carb Calculator estimates the percentage of carbohydrates a person should consume each day.

ages 18 - 80
feetinches
pounds
  • Exercise: 15-30 minutes of elevated heart rate activity.
  • Intense exercise: 45-120 minutes of elevated heart rate activity.
  • Very intense exercise: 2+ hours of elevated heart rate activity.

Quick Tips

  • Enter accurate details for reliable carb estimates.
  • Use Katch-McArdle for lean individuals with known body fat %.
  • Choose complex carbs (whole grains, vegetables) for better nutrition.