Calorie chart · Grains, rice, pasta, and cereals

Oatmeal made with water - calories and nutrition information

100 g of oatmeal made with water has 71 kcal, 2.5 g protein, 10.3 g carbs, and 1.5 g fat. A small bowl of oatmeal made with water (about 300 g) has about 213 kcal.

Serving
Oatmeal made with water, 100 g71 kcal297 kJ
Protein2.5 g15% of energy
Carbs10.3 g64% of energy
Fat1.5 g21% of energy
Fiber
1.7 g
Sugars
0.3 g
Salt
0.01 g

Nutrition information: oatmeal made with water

NutrientCarbs 100 g% RI*Bowl (300 g)
Energy71 kcal297 kJ4%213 kcal891 kJ
Fat1.5 g2%4.5 g
of which saturated fatty acids0.3 g2%0.9 g
Carbs10.3 g4%30.9 g
of which sugars0.3 g0%0.9 g
Fiber1.7 g-5.1 g
Protein2.5 g5%7.5 g
Salt0.01 g0%0.03 g
Water83.6 g-250.8 g

* RI = reference intake for an average adult (8400 kJ / 2000 kcal). Carbs exclude fiber, as shown on EU food labels.

How many calories are in oatmeal made with water?

Calories and macronutrients in typical servings. Use the calculator at the top of the page to calculate a different weight.

ServingCaloriesProteinCarbsFat
100 g71 kcal2.5 g10.3 g1.5 g
Small bowl200 g142 kcal5 g20.6 g3 g
Cup244 g173 kcal6.1 g25.1 g3.7 g
Small bowl300 g213 kcal7.5 g30.9 g4.5 g

Vitamins and minerals

Per 100 g of oatmeal made with water, the highest amounts are phosphorus (11% RI), zinc (10%) and vitamin B1 (7%). We show nutrients present at 2% RI or more per 100 g.

NutrientCarbs 100 g% RI
Potassium70 mg4%
Magnesium27 mg7%
Phosphorus77 mg11%
Iron0.9 mg6%
Zinc1 mg10%
Vitamin B1 (thiamin)0.08 mg7%
Folate6 µg3%

Not included: selenium—US source data reflects fortification, additives, or growing conditions, so the values would be overstated for Polish equivalents.

Oatmeal made with water compared with other foods

Oatmeal made with water has the fewest calories per 100 g among the grain products in our chart. Here's how similarly calorie-dense foods from the groats, rice, pasta, and flakes category compare (kcal per 100 g):

  1. Oatmeal made with water71 kcal
  2. Cooked bulgur83 kcal
  3. Cooked buckwheat groats92 kcal
  4. Cooked couscous112 kcal
  5. Cooked millet groats119 kcal
  6. Cooked quinoa120 kcal
  7. Cooked barley groats123 kcal
  8. Cooked brown rice123 kcal
  9. Cooked parboiled rice123 kcal

FAQs

How many calories are in a small bowl of oatmeal made with water?
A small bowl of oatmeal made with water (about 300 g) has about 213 kcal: 7.5 g protein, 30.9 g carbs, and 4.5 g fat.
How many calories are in 100 g of oatmeal made with water?
100 g of oatmeal made with water has 71 kcal (297 kJ). For comparison, 100 g of oats has 379 kcal.
How much protein is in oatmeal made with water?
Oatmeal made with water has 2.5 g of protein per 100 g, and a small bowl has about 7.5 g.
How many carbs are in oatmeal made with water?
There are 10.3 g of available carbs per 100 g of oatmeal made with water, including 0.3 g of sugars, plus 1.7 g of fiber.

Data source: USDA FoodData Central, SR28 database - “Cereals, oats, regular and quick, unenriched, cooked with water (includes boiling and microwaving), without salt” (NDB 08121). Polish food names and serving sizes: EatSee editorial team. Values are estimates and depend on the variety, size, and preparation method. For packaged products, check the label for exact information. This page is for informational purposes and does not replace advice from a doctor or dietitian. Updated: . How we compile our calorie chart.