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Fast food fries: carbs, carb exchanges and glycemic index

Values per 100 g: fast food fries.

37.6g net carbs per 100 g

2.5carb exchanges per 100 g (15 g each)

70glycemic index

These are reference values. Set your insulin dose with your doctor.

Nutrition per 100 g

Net carbs37.6 g
Fiber3.8 g
Protein3.4 g
Fat14.7 g
Energy312 kcal

Source: USDA FoodData Central, SR Legacy, record 170698 “Fast foods, potato, french fried in vegetable oil”. Net carbs = total carbs 41.4 g − fiber 3.8 g.

Portions

Carbs, carb units and glycemic load of typical portions
Portion1 small serving71 g1 medium serving117 g1 large serving154 g
Net carbs, g26.744.058.0
Carb units (10 g)2.74.45.8
Carb units (12 g)2.23.74.8
Carb exchanges (15 g)1.82.93.9
Glycemic load193141

The portion weights come from the USDA household measures for this food. Carb units = carbs of the portion ÷ 10, 12 or 15 g. Glycemic load = GI × carbs of the portion ÷ 100.

Glycemic index

GI 70. This value is from one measurement in the 2021 international GI tables.

Foods in the tables:

Atkinson FS, Brand-Miller JC, Foster-Powell K, Buyken AE, Goletzke J. International tables of glycemic index and glycemic load values 2021: a systematic review. Am J Clin Nutr. 2021;114(5):1625–1632.

Count a full plate

Soba estimates the same values from a photo of your plate: net carbs, carb units, GI and glycemic load.

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