Cal Clark

How many calories are in an onion?

Onion: 40 kcal per 100 g.

  • 1 slice (14 g)6 kcal
  • 1 small (70 g)28 kcal
  • 1 medium (110 g)44 kcal
  • 1 large (150 g)60 kcal

Weights are for the part you eat.

Portion
Nutrition facts
100 g1 medium (110 g)
Calories40 kcal44 kcal
Protein1.1 g1.2 g
Carbs9.3 g10.3 g
of which sugars4.2 g4.7 g
Fiber1.7 g1.9 g
Fat0.1 g0.1 g
Salt0.01 g0.01 g

2.2% of a 2,000 kcal day

Find your own daily calories

Time to burn this portion (70 kg body weight)

  • Walking10 min
  • Cycling5 min
  • Running4 min
Onion

Where the calories come from

  • Protein 10%
  • Carbs 88%
  • Fat 2%

Similar foods

Eating more than one thing? Snap the whole plate.

Cal Clark counts the calories and macros of the whole meal from one photo.

Source: USDA FoodData Central. Activity values: Compendium of Physical Activities (2011).