Calories in Sugar

100 g of sugar has 401 kcal, and 1 tablespoon of sugar (12.5 g) has about 50 kcal.

401 kcalper 100 g

50 kcal in 1 tablespoon (12.5 g)

Very high density · 4 kcal per g

Protein 0g 0% of the calories
Carbs 99.6g 99% of the calories
Fat 0.3g 1% of the calories
Fiber 0g

Per 100 g. Figures from USDA FoodData Central. Averages across measured samples; a few percent either way is normal. Updated 2026-10-04.

100 g is about 98 minutes of walking, or 35 minutes of running, for a 70 kg body - context, not a debt to work off.

Sugar nutrition facts

A dash means nobody measured it - not that there is none of it.

Per serving: 1 tablespoon (12.5 g)
Nutrient	Per 100 g	Per serving
Energy	401kcal	50kcal
Fat	0.32g	0.04g
Saturated Fat	0g	0g
Unsaturated Fat	0.32g	0.04g
Carbs	99.6g	12.4g
Sugars	99.8g	12.5g
Fiber	0g	0g
Protein	0g	0g
Salt	0g	0g
Water	0.02g	0.003g

Alcohol	0g	0g
Caffeine	0mg	0mg

Monounsaturated	0g	0g
Polyunsaturated	0g	0g
Omega-3	0g	0g
ALA	0g	0g
DHA	0g	0g
EPA	0g	0g
Omega-6	0g	0g
AA	0g	0g
LA	0g	0g
Cholesterol	0mg	0mg

Vitamin B1 (Thiamine)	0mg	0mg
Vitamin B2 (Riboflavin)	0.019mg	0.002mg
Vitamin B3 (Niacin)	0mg	0mg
Vitamin B6 (Pyridoxine)	0mg	0mg
Vitamin B12 (Cobalamin)	0µg	0µg
Folate (Vitamin B9)	0µg	0µg
Vitamin A	0µg	0µg
Vitamin C	0mg	0mg
Vitamin D	0IU	0IU
Vitamin E	0mg	0mg
Vitamin K	0µg	0µg
Choline	0mg	0mg

Calcium	1mg	0.12mg
Copper	0.007mg	0.001mg
Iron	0.05mg	0.006mg
Magnesium	0mg	0mg
Phosphorus	0mg	0mg
Potassium	2mg	0.25mg
Selenium	0.6µg	0.075µg
Zinc	0.01mg	0.001mg

Beta-carotene	0µg	0µg
Lycopene	0µg	0µg
Lutein + zeaxanthin	0µg	0µg

Read it as an averageIt is what a laboratory measured, averaged over samples - variety, ripeness and cut all move it, and a few percent either way is normal.

What stands out in sugar

1 tablespoon (12.5 g) is 50 kcal, about 3% of a 2,000 kcal day.

High in sugars99.8 g per 100 g (111% of the daily reference)
Low in fat0.32 g per 100 g
Low in saturated fat0 g per 100 g
Low in salt0 g per 100 g

Claims follow the EU nutrition claims rules and the "high" warnings the UK/EU front-of-pack labels; the 2,000 kcal day is the reference intake for an average adult.

Calories in different amounts of sugar

12 g1 tablespoon	48 kcal
28 g1 oz	112 kcal
50 g	200 kcal
100 g	401 kcal
200 g	802 kcal

Any amount g 48 kcal

Foods with similar calories

Other published foods within reach of 401 kcal per 100 g, so the number has something to sit against.

Pancakes 119 kcal less 282kcal / 100 g

Honey 97 kcal less 304kcal / 100 g

Dark chocolate 149 kcal more 550kcal / 100 g

Milk chocolate 134 kcal more 535kcal / 100 g

Popcorn 76 kcal more 477kcal / 100 g

Cheddar 7 kcal more 408kcal / 100 g

Questions about sugar

1 tablespoon of sugar (12.5 g) has about 50 kcal, and 100 g has 401 kcal.

It can be part of a diet that loses weight: what counts is the total calories you eat in a day, not any single food. 100 g of sugar has 401 kcal. The calorie calculator works out how many you need.

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