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Squash, butternut, boiled in unsalted water

Butternut squash is a vegetable, and the figures here describe its flesh boiled in unsalted water. It mainly provides water and carbohydrate, with some fibre and small amounts of vitamins and minerals. Per 100g, it contains 5.1g of carbohydrate, 1.3g of fibre, 75µg of vitamin A expressed as retinol equivalent, and 147mg of potassium.

Fibre helps support normal bowel function, while vitamin A contributes to normal vision and immune function. This preparation contains only trace amounts of salt and saturated fat. Adding salt, butter or sauces would change its nutritional content, which may matter for people monitoring these in their diet. Full nutritional figures are provided in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

24 kcal

Energy

100 kJ

Fat

0.1g

of which saturates

Trace

Carbohydrate

5.1g

of which sugars

5.1g

Fibre

1.3g

Protein

0.9g

Salt

Trace

Alcohol

0g

Water

91g

Cholesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

75µg

Vitamin D

0µg

Vitamin E

0.7mg

Vitamin C

1mg

Thiamin (B1)

0.03mg

Riboflavin (B2)

0.01mg

Niacin (B3)

0.5mg

Vitamin B6

0.03mg

Vitamin B12

0µg

Folate

6µg

Calcium

21mg

Iron

0.13mg

Magnesium

6mg

Phosphorus

19mg

Potassium

147mg

Sodium

Trace

Zinc

0.09mg

Copper

0.04mg

Selenium

Trace

Iodine

1.6µg

Other types of squash

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Squash, butternut, baked

39 kcal

1.4g

0.2g

2.1g

Squash, butternut, raw

36 kcal

1.1g

0.1g

–

Squash, acorn, baked

56 kcal

1.1g

0.1g

–

Squash, acorn, raw

40 kcal

0.8g

0.1g

–

Squash, spaghetti, baked

23 kcal

0.7g

0.3g

–

Squash, spaghetti, raw

26 kcal

0.6g

0.6g

–

About these figures

Values are per 100g of the food as described (Calculated from baked. Water analysed, 2017. 11 samples, imported, flesh only, loose and prepacked chunks. Cut into chunks and boiled for 15-20 minutes). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Further reading and references

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Article history

The information on this page is written and peer reviewed by qualified clinicians.
  • 4 Nov 2026 | Latest version
  • 3 Nov 2026 | Originally published