One gram of fat has 5 kilocalories more than one gram of carbohydrate.

Quick Scoop

  • 1 g carbohydrate ≈ 4 kcal.
  • 1 g fat ≈ 9 kcal.
  • Kilocalorie difference: 9−4=59-4=59−4=5 kcal per gram.

So for every gram you eat, fat gives you a noticeably higher energy boost than carbs, which is why high‑fat foods are more energy-dense.

Information gathered from public forums or data available on the internet and portrayed here.