Calorie data · Grains← All foods

How many calories in
oat bran?

A 100g of oat bran comes in at 246 calories, with 17g of protein and 66g of carbs. Calorie tracking trips up here when people log cooked weights using dry-weight numbers (or vice versa). Higher protein than most grains in this category.

246
kcal · 100g
17g
Protein
66g
Carbs
7g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical oat bran serving translates in your tracker:

Serving
Calories
Protein
3 oz (85g)
209 kcal
14.4g
4 oz (113g)
278 kcal
19.2g
1 cup (~150g)
369 kcal
25.5g
In your day

What 246 calories means.

Carb-forward — most of its 246 kcal come from carbohydrate, so it's best placed around training when your body uses carbs most readily.

Share of a 2,000-kcal day
12%
per 100g · 6.9g protein per 100 kcal
Time to burn it off
🚶 Walking47 min
🏃 Running24 min
🚴 Cycling27 min
Estimated for a 70 kg / 154 lb adult
Comparison

Oat Bran vs. similar foods.

How oat bran stacks up on calories and protein against foods people commonly compare it to:

Food
Calories
Protein / 100 kcal
Oat Bran
246 kcal / 100g
6.9g
247 kcal / 100g
5.3g
245 kcal / 100g
4.5g
250 kcal / 1 medium (100g)
4g
Track this food

Skip the lookup. Snap the plate.

Point your iPhone camera at oat bran and Spotwell's AI estimates the portion and macros in a few seconds. Check it, adjust anything that looks off, and log it.

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FAQ

Quick answers.

How many calories in oat bran?

Oat Bran has approximately 246 calories per 100g. A typical serving — 3 oz (85g) — comes in at 209 calories.

How much protein is in oat bran?

17g of protein per 100g. That puts oat bran at roughly 6.9g of protein per 100 calories — a useful lens when comparing to other grains sources.

How do I log oat bran accurately?

The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With Spotwell, you can skip the scale — point the camera at the plate and the AI estimates the portion in a few seconds. Adjust the value if it looks off.

Is oat bran good for weight loss?

It depends on your overall calorie target. Oat Bran sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.