How many carbs are in seeded rye bread?

Seeded rye bread contains 33 g of carbohydrate per 100 g, of which 3.5 g is sugars, plus 8.8 g of fibre. 1 slice (45 g) gives 15 g of carbohydrate.

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15 g carbs · 97 kcal

At a glance

Carbs / 100 g
33 g
1 slice (45 g)
15 g
Fibre / 100 g
8.8 g
kcal / 100 g
216
FPU / 100 g
0.7

Carbohydrate per portion

PortionWeightCarbsFibrekcalFPU
Thin slice 25 g 8.3 g 2.2 g 54 0.2
1 slice 45 g 15 g 4 g 97 0.3
Thick slice 70 g 23 g 6.1 g 151 0.5
100 g100 g 33 g 8.8 g 216 0.7

The slow rise (fat-protein units)

1 slice of seeded rye bread (45 g) carries 2 g of fat and 2.7 g of protein, which is 0.3 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

Energy216 kcal
Fat4.5 g
of which saturates0.5 g
Carbohydrate (available)33.2 g
of which sugars3.5 g
Fibre8.8 g
Protein6.1 g
Salt1.1 g

Source: Frida – Fødevaredata, DTU Fødevareinstituttet, FCDB v6.1 - May 2026. Frida entry: “Rye bread, dark with high fat seeds and whole kernels, industrially produced” (Bread). Fetched 2026-09-22. Frida’s carbohydrate figure is available carbohydrate, which already excludes fibre.

More in bread and baked goods

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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