Calories in whole-wheat bread

A usual serving, 1 slice (40 g), has about 100 kcal; 100 g ≈ 252 kcal.

Nutrition facts

Nutrition facts
Serving kcal Protein Fat Carbs Fibre
100 g 252 12 g 3.5 g 37 g 6 g
1 slice 40 g 101 5 g 1.4 g 15 g 2.4 g

Source: fdc.nal.usda.gov · Confidence: medium · Updated:

Calories per serving

Calories per serving
Serving kcal Protein Fat Carbs
1 slice 40 g 101 5 g 1.4 g 15 g
2 slices 80 g 202 9.9 g 2.8 g 29 g

How it fits into a day

A slice of whole-wheat bread of about 40 g has about 100 kcal, almost the same as a slice of white. The difference is the fibre: 2.4 g per slice, so it keeps you full for longer. Most of the energy, about 65%, comes from carbs.

A usual serving (1 slice) is about 5% of a 2,000 kcal day. How much do you need a day? Work it out in the calorie calculator.

Lighter options

  • Whole-wheat doesn't mean fewer calories; count it the same as white.
  • Check the label to see that the flour really is whole-wheat, not just that the bread is darker.

Frequently asked questions

How many calories are in a slice of whole-wheat bread?

About 100 kcal in 40 g, with 5 g protein, 1.4 g fat and 15 g carbs.

How many calories are in 100 g of whole-wheat bread?

About 252 kcal per 100 g: 12 g protein, 3.5 g fat and 37 g carbs, plus 6 g fibre.

Is whole-wheat bread better than white for losing weight?

In calories they're almost the same: whole-wheat about 252 kcal per 100 g, white about 265 kcal. Whole-wheat has more fibre, so it's easier to eat less.

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