Oats Serving Size
One serving of oats is 1/2 cup dry (40g) — about 40g (1.4 oz) and 156 calories.
| Portion | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| ½ serving (20g) | 78 | 3.4g | 13.2g | 1.4g |
| 1 serving · 1/2 cup dry (40g) (40g) | 156 | 6.8g | 26.4g | 2.8g |
| 2 servings (80g) | 311 | 13.6g | 52.8g | 5.6g |
About Oats portions
Oats are a whole grain loaded with soluble fiber (beta-glucan), plant protein and slow-release carbohydrates ideal for sustained energy.
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Frequently Asked Questions
How much is one serving of oats?
A standard serving of oats is 1/2 cup dry (40g), which is about 40g (1.4 oz) and contains 156 calories.
How many calories are in a serving of oats?
One serving (40g) of oats has 156 calories, 6.8g protein, 26.4g carbs and 2.8g fat.
How do I measure a serving of oats without a scale?
The easiest way is to scan oats with the Goby AI app, which estimates portion size and logs the calories for you automatically.