How many carbs are in cornflakes?

Cornflakes contains 82 g of carbohydrate per 100 g, of which 7.1 g is sugars, plus 3.1 g of fibre. Portion (30 g) gives 25 g of carbohydrate.

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25 g carbs · 113 kcal

At a glance

Carbs / 100 g
82 g
Portion (30 g)
25 g
Fibre / 100 g
3.1 g
kcal / 100 g
377
FPU / 100 g
0.4

Carbohydrate per portion

PortionWeightCarbsFibrekcalFPU
1 dl 12 g 9.9 g 0.4 g 45 0.1
Small portion 15 g 12 g 0.5 g 57 0.1
Portion 30 g 25 g 0.9 g 113 0.1
Large portion 50 g 41 g 1.5 g 188 0.2
100 g100 g 82 g 3.1 g 377 0.4

The slow rise (fat-protein units)

Portion of cornflakes (30 g) carries 0.4 g of fat and 2.2 g of protein, which is 0.1 fat-protein units. That is too little to speak of a slow rise: the effect of this portion is its carbohydrate, and not much else.

Nutrition per 100 g

Energy377 kcal
Fat1.4 g
of which saturates0.2 g
Carbohydrate (available)82.2 g
of which sugars7.1 g
Fibre3.1 g
Protein7.5 g
Salt1.5 g

Source: Frida – Fødevaredata, DTU Fødevareinstituttet, FCDB v6.1 - May 2026. Frida entry: “Corn flakes, average values” (Breakfast products). Fetched 2026-09-22. Frida’s carbohydrate figure is available carbohydrate, which already excludes fibre.

More in breakfast

Figures are general nutrition information and do not replace advice from your doctor or dietitian. This page does not calculate insulin and is not a medical device.

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