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Milk types

Skimmed vs semi-skimmed vs whole milk: what is the difference?

Quick answer

Skimmed milk has much less fat than semi-skimmed or whole milk: a UK government report lists 0.3 g fat per 100 g for skimmed, 1.7 g for semi-skimmed and 3.6 g for whole. Protein and calcium are about the same. We found no official source that rates taste.

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In this article
  1. What is the difference between skimmed and semi-skimmed milk?
  2. How does US low fat milk compare?
  3. What does skim milk taste like?
  4. Is semi-skimmed the same as low fat?

What is the difference between skimmed and semi-skimmed milk?

Fat and the calories that come with it. A UK government report (Composition of Foods data) gives this per 100 g of pasteurised cows’ milk:

Per 100 g Whole Semi-skimmed Skimmed
Energy 63 kcal 46 kcal 34 kcal
Fat 3.6 g 1.7 g 0.3 g
Saturated fat 2.3 g 1.1 g 0.1 g
Protein 3.4 g 3.5 g 3.5 g
Calcium 120 mg 120 mg 125 mg

The report notes the values come from laboratory analysis done in 1996.

How does US low fat milk compare?

US names differ: skim means nonfat. USDA values per cup (our calculation from per 100 g and the USDA cup weight): whole 3.25% about 149 kcal and 7.9 g fat; 2% about 122 kcal and 4.8 g fat; 1% about 105 kcal and 2.4 g fat; nonfat about 91 kcal and 0.6 g fat.

What does skim milk taste like?

We found no official source that describes or rates the taste of skimmed milk, so we do not state one. Fat is the main compositional difference in the tables above.

Is semi-skimmed the same as low fat?

The NHS counts a liquid as low fat at 1.5 g fat or less per 100 ml, with a higher limit of 1.8 g per 100 ml for semi-skimmed milk.

People also ask

What is the difference between skimmed and semi-skimmed milk?

Fat: about 0.3 g per 100 g in skimmed and 1.7 g in semi-skimmed, with similar protein and calcium (UK government table).

Does skim milk taste like regular milk?

We found no official source that rates taste. The measured difference is fat: 0.3 g versus 3.6 g per 100 g in whole milk.

Is semi-skimmed milk low fat?

The NHS sets low fat for liquids at 1.5 g per 100 ml, with an allowance of 1.8 g per 100 ml for semi-skimmed milk.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. UK Government (gov.uk): Assessing the health benefits and risks of consuming plant-based drinks, Table 2.1, read 5 Nov 2026
  2. NHS: Facts about fat, read 5 Nov 2026
  3. USDA FoodData Central: Milk, nonfat, fluid (FDC 171270), read 5 Nov 2026
Written by Drinks Type Editorial Team · Published Jul 13, 2025 · Updated Nov 5, 2026
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