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White Potato nutrition: calories, vitamins and minerals

White Potato is a fresh, whole vegetable and, as a NOVA group 1 food, delivers naturally occurring energy and nutrients with no added sugar, salt or additives. It is a source of vitamin c, vitamin b6 and potassium. One portion counts as one of your five a day. Work out the numbers for any portion and age below, then see the full macro and micronutrient breakdown.

White Potato nutrition calculator
Calories, sugar and key nutrients by portion, adjusted for age and gender.
Key nutrients in this portion

White Potato nutrition per 100g and per portion

Typical valuesPer 100gPer portion (180g)
Energy77138.6
Fat0.1g0.18g
of which saturates0.03g0.05g
Carbohydrate17g30.6g
of which total sugars0.8g1.44g
of which added sugars0g0g
of which starch15g27g
Fibre2.2g3.96g
Protein2g3.6g
Salt0g0g

Sugar, fat, fibre and carbohydrate, by age

The tables below put each macronutrient against age-appropriate guidance, because what matters for a 4 year old is very different from an adult.

Sugar in White Potato: natural, not added

1 medium potato (about 180g) contains about 1.4g of sugar, and it is all natural (intrinsic) sugar that comes packaged with fibre and water. It has 0g of added or free sugar, so it does not count toward the daily free sugar limit the NHS sets. The table shows those limits by age; White Potato contributes nothing to them.

Age groupDaily free sugar limitIn 1 medium potato (about 180g)% of that
Adult30g0g
0%
Age 11 to 1730g0g
0%
Age 7 to 1024g0g
0%
Age 4 to 619g0g
0%

Fat in White Potato: naturally very low

White Potato is naturally very low in fat, with about 0.18g per portion and 0g of added fat. Only around 0.05g is saturated, well within the daily maximum for every age group.

Age groupMax saturated fatIn 1 medium potato (about 180g)% of that
Adult24g0.05g
0%
Age 11 to 1727g0.05g
0%
Age 7 to 1022g0.05g
0%
Age 4 to 618g0.05g
0%

Fibre in White Potato by age

Fibre supports healthy digestion, and most people in the UK do not get enough. A portion provides about 3.96g. Because children need less fibre than adults, that same portion covers a bigger share of a younger child's target.

Age groupRecommended fibreIn 1 medium potato (about 180g)% of that
Adult30g3.96g
13%
Age 11 to 1725g3.96g
16%
Age 7 to 1020g3.96g
20%
Age 4 to 615g3.96g
26%

Carbohydrate in White Potato by age

There is about 30.6g of carbohydrate per portion. There is no single daily target, but roughly half of daily energy should come from carbohydrate; the reference values below are based on that.

Age groupReference carbohydrateIn 1 medium potato (about 180g)% of that
Adult250g31g
12%
Age 11 to 17275g31g
11%
Age 7 to 10225g31g
14%
Age 4 to 6188g31g
16%

Vitamins and minerals in White Potato

Percentages are share of the daily Nutrient Reference Value (NRV). Under UK and EU rules a food is a source of a nutrient at 15% NRV per 100g and high in it at 30%.

NutrientPer 100g%NRV /100g%NRV /portion 
Vitamin C20mg25%44%a source of Vitamin C
Vitamin B60.3mg21%39%a source of Vitamin B6
Potassium421mg21%38%a source of Potassium
Folate15ug8%14%-
Magnesium23mg6%11%-

Vitamins and minerals in White Potato, by age

These tables show how the nutrients compare to daily needs across different ages, using UK Reference Nutrient Intakes (RNIs). This differs from the source of and high in labels above, which use the single adult figure (NRV) set for food packaging. Children's needs are lower, so a portion goes further.

Vitamin C in White Potato by age

Vitamin C supports the immune system and helps the body absorb iron from food. 1 medium potato (about 180g) contains 35mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In 1 medium potato (about 180g)% of daily need
Adult40mg35mg
89%
Age 11 to 1740mg35mg
89%
Age 7 to 1030mg35mg
118%
Age 4 to 630mg35mg
118%

Vitamin B6 in White Potato by age

Vitamin B6 helps the body release energy from food and supports the nervous system. 1 medium potato (about 180g) contains 0.54mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In 1 medium potato (about 180g)% of daily need
Adult1.4mg0.54mg
39%
Age 11 to 171.2mg0.54mg
45%
Age 7 to 101mg0.54mg
54%
Age 4 to 60.9mg0.54mg
60%

Potassium in White Potato by age

Potassium helps control blood pressure and supports normal muscle and nerve function. 1 medium potato (about 180g) contains 758mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In 1 medium potato (about 180g)% of daily need
Adult3500mg758mg
22%
Age 11 to 173500mg758mg
22%
Age 7 to 102000mg758mg
38%
Age 4 to 61100mg758mg
69%

Folate in White Potato by age

Folate is needed to make healthy red blood cells and is especially important before and during pregnancy. 1 medium potato (about 180g) contains 27ug. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In 1 medium potato (about 180g)% of daily need
Adult200ug27ug
14%
Age 11 to 17200ug27ug
14%
Age 7 to 10150ug27ug
18%
Age 4 to 6100ug27ug
27%

Magnesium in White Potato by age

Magnesium supports muscle and nerve function and helps release energy from food. 1 medium potato (about 180g) contains 41mg. Because children need less than adults, that same portion covers a bigger share of a younger child's daily target.

Age groupDaily need (RNI)In 1 medium potato (about 180g)% of daily need
Adult300mg41mg
14%
Age 11 to 17300mg41mg
14%
Age 7 to 10200mg41mg
21%
Age 4 to 6120mg41mg
34%

Is White Potato processed?

No. White Potato is a NOVA group 1 whole food, the least processed category, eaten in its natural state with nothing added. The sugars are intrinsic, packaged with fibre and water, which is why whole vegetables behave very differently in the body from foods made with free sugars.

White Potato nutrition FAQ

How many calories are in white potato?

1 medium potato (about 180g) has about 139 calories.

How much sugar is in white potato?

1 medium potato (about 180g) has about 1.4g of sugar, roughly 0.3 teaspoons, and none of it is added sugar.

Is white potato good for you?

Yes. White Potato is a whole food providing fibre and a range of vitamins and minerals such as vitamin c and vitamin b6. One portion counts as one of your five a day.

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Nutrition data from McCance and Widdowson and UK FoodData Central, per 100g raw edible portion; values are reference figures and can vary by variety and ripeness. Reference intakes: EU NRVs for labelling and UK RNIs (SACN) for age-based needs. For guidance only.