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How Many Calories in a McDonald's Peanuts (for Sundaes)?

✓ 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.

calories per 0.3 oz

640 calories per 100g

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2.0gProtein

1.1gCarbs

3.7gFat

0.0gFibre

Calculate for your serving size

grams

45kcal

2.0gprotein

1.1gcarbs

3.7gfat

0.0gfibre

A McDonald's Peanuts (for Sundaes) contains 45 calories per 0.3 oz (7g), with 2.0g protein, 1.1g carbs and 3.7g fat. Track it precisely with a digital kitchen scale.

McDonald's Peanuts (for Sundaes) Nutrition Facts

Nutrient	Per serving (7g)	Per 100g
Calories	45 kcal	640 kcal
Protein	2.0g	28.0g
Carbohydrates	1.1g	16.2g
of which Sugars	0.3g	4.2g
Fat	3.7g	52.9g
of which Saturates	0.6g	8.3g
Fibre	0.0g	0.0g
Sodium	0mg	0.0mg
Potassium	44mg	634.0mg
Calcium	3mg	46.0mg
Iron	0.1mg	1.4mg
Vitamin C	0.0mg	0.0mg
Vitamin A	0µg	0.0µg
Selenium	0µg	0µg
Riboflavin (B2)	0.0mg	0.1mg

% 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 (56% DV) — an excellent source
High in fat (68% DV) — an excellent source
Low in sodium (0% DV)
A good source of potassium (13% DV)

High in saturated fat (42% DV) — worth weighing against your daily intake if you're watching this specifically

Calories: 32% DV
Protein: 56% DV
Carbohydrates: 6% DV
Fibre: 0% DV
Fat: 68% DV
Saturated fat: 42% DV
Sodium: 0% DV
Potassium: 13% DV
Calcium: 4% DV
Iron: 8% DV
Vitamin C: 0% DV
Vitamin A: 0% DV
Selenium: 0% DV
Riboflavin (B2): 8% 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.

Does mcdonald's peanuts (for sundaes) fit your diet?

High-protein diets

At 28.0g of protein per 100g, mcdonald's peanuts (for sundaes) clears the 15g/100g threshold generally used to call a food high-protein — a useful contributor if you're tracking protein intake for muscle maintenance, satiety, or a higher-protein eating pattern.

Moderation note

McDonald's Peanuts (for Sundaes) is relatively energy-dense (640 kcal/100g) with 8.3g of saturated fat per 100g — fine as part of a varied diet, worth weighing rather than eyeballing if you're watching saturated fat intake specifically.

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