Food guide
Potatoes: nutrition and portions
Raw potato, flesh and skin: 77 kcal and 2.05 g protein per 100 g. Explore household weights, preparation notes and a calculator for your portion.

The short answer
Raw potato, flesh and skin has 77 kcal, 2.05 g protein, 17.5 g carbohydrate, 0.1 g fat and 2.1 g fibre per 100 g.
Nutrition calculator
What's in your portion?
Raw potato, flesh and skin. Adjust the edible weight to calculate nutrition.
- Energy
- 77 kcal
- Protein
- 2.1 g
- Carbohydrate
- 17.5 g
- Fat
- 0.1 g
- Fibre
- 2.1 g
This calculates nutrition only. These weights are not tested FODMAP limits or recommended servings.
What does this say about FODMAPs?
This USDA record does not establish a FODMAP rating or a tested serving limit for potatoes. Use this page to understand the preparation and nutrition, and discuss food-specific guidance with your dietitian.
The nutrition calculator uses grams for raw potato, flesh and skin. It does not measure FODMAP content, determine a personal tolerance, or account for other ingredients.
Use the matching preparation
The values include both flesh and skin. Weigh the raw potato: a cooked potato loses or absorbs water, and chips include added fat.
Nutrition at common portion weights
| Portion | Weight | Energy | Protein |
|---|---|---|---|
| 1 Potato small (1-3/4" to 2-1/2" dia) | 170 g | 131 kcal | 3.5 g |
| 0.5 cup, diced | 75 g | 58 kcal | 1.5 g |
| 1 Potato large (3" to 4-1/4" dia) | 369 g | 284 kcal | 7.6 g |
Values are per 100 g from USDA FoodData Central, scaled by weight and rounded for display. Bornly's matching reference entry is “Potatoes, Fresh, Flesh and Skin”. Missing nutrients remain unavailable, not zero.
Questions
Common questions.
- How many calories are in potatoes?
- Raw potato, flesh and skin has 77 kcal per 100 g in USDA FoodData Central. 1 Potato small (1-3/4" to 2-1/2" dia) (170 g) gives about 131 kcal.
- How much protein is in potatoes?
- Raw potato, flesh and skin has 2.1 g of protein per 100 g. 1 Potato small (1-3/4" to 2-1/2" dia) (170 g) gives about 3.5 g.
- How much carbohydrate and fibre does potatoes have?
- Raw potato, flesh and skin has 17.5 g of carbohydrate per 100 g. Dietary fibre is 2.1 g per 100 g.
- Is potatoes low FODMAP?
- This page does not rate it. The USDA record describes nutrition, not FODMAP content or a tested serving limit. If you follow a low FODMAP diet, ask your dietitian about portions during the restriction and reintroduction phases.
Sources
Sources and review notes.
- 01 USDA FoodData Central
- Potatoes, Fresh, Flesh and Skin, record 170026 (SR Legacy)Checked 11 September 2026



