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How Many Calories in a Burger King Hamburger?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

258

calories per 1 sandwich

261 calories per 100g

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14.7gProtein

26.5gCarbs

10.5gFat

1.0gFibre

Calculate for your serving size

grams

258kcal

14.7gprotein

26.5gcarbs

10.5gfat

1.0gfibre

A Burger King Hamburger contains 258 calories per 1 sandwich (99g), with 14.7g protein, 26.5g carbs and 10.5g fat. Track it precisely with a digital kitchen scale.

Burger King Hamburger Nutrition Facts

Nutrient	Per serving (99g)	Per 100g
Calories	258 kcal	261 kcal
Protein	14.7g	14.8g
Carbohydrates	26.5g	26.8g
of which Sugars	5.5g	5.6g
Fat	10.5g	10.6g
of which Saturates	3.8g	3.8g
Fibre	1.0g	1.0g
Sodium	456mg	461.0mg
Potassium	215mg	217.0mg
Calcium	75mg	76.0mg
Iron	2.9mg	2.9mg
Vitamin C	0.2mg	0.2mg
Vitamin A	0µg	0.0µg
Selenium	25µg	24.9µg
Riboflavin (B2)	0.2mg	0.2mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

High in protein (30% DV) — an excellent source
A good source of carbohydrates (10% DV)
A good source of fat (14% DV)
A good source of iron (16% DV)
High in selenium (45% DV) — an excellent source
A good source of riboflavin (B2) (15% DV)

High in sodium (20% DV) — worth weighing against your daily intake if you're watching this specifically

Calories: 13% DV
Protein: 30% DV
Carbohydrates: 10% DV
Fibre: 4% DV
Fat: 14% DV
Saturated fat: 19% DV
Sodium: 20% DV
Potassium: 5% DV
Calcium: 6% DV
Iron: 16% DV
Vitamin C: 0% DV
Vitamin A: 0% DV
Selenium: 45% DV
Riboflavin (B2): 15% DV

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Good to know

Customisations (extra cheese, sauce, no bun) change the numbers meaningfully — the figures here are for the standard menu item as sold.

Frequently Asked Questions