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USDA reference food

Oatmeal, instant, plain, made with water, no added fat

1 oz, cooked of oatmeal, instant, plain, made with water, no added fat (28.35 g) has 20 calories, less than 1g of protein, 0g of fat and less than 1g of fiber (USDA FoodData Central, the dietary survey database (FNDDS), FDC 2708387). It is one of 21 USDA descriptions of oatmeal.

Nutrition Facts

Serving size1 oz, cooked (28.35g)
Amount per serving
Calories20
% Daily Value*
Total Fat 0g0%
Saturated Fat 0g0%
Trans Fat not declared
Cholesterol 0mg0%
Sodium 15mg1%
Total Carbohydrate 4g1%
Dietary Fiber <1g2%
Total Sugars 0g
Includes Added Sugars not declared
Protein <1g1%
Vitamin D 0mcg0%
Calcium 20mg2%
Iron 1.3mg7%
Potassium 20mg0%

* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.

USDA values per 100 g (the dietary survey database (FNDDS)), scaled to the portion. Check the USDA record.

Protein per 100 g
2.3g
more than 25% of 8,218 USDA reference foods
Calories per 100 g
68
more than 20% of reference foods
Fiber per 100 g
1.9g
more than 69% of reference foods

What a portion gives you

Fiber less than 1g2%
Protein less than 1g1%
Potassium 20mg0%
Calcium 20mg2%
Iron 1.3mg7%
Sodium 15mg1%

Ticks: 5% of the Daily Value (FDA: low) and 20% (high)

Source: USDA FoodData Central, the dietary survey database (FNDDS) (FDC 2708387); FDA Daily Values, 21 CFR 101.9.

Where the calories come from: 72% carbohydrate, 16% fat and 12% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Where it sits among USDA reference foods

Per 100 gThis foodShare with less
Calories68.020%
Protein2.26 g25%
Total fat1.30 g30%
Carbohydrate13.2 g60%
Fiber1.90 g69%
Total sugars0.28 g39%
Sodium45.0 mg31%

Source: USDA FoodData Central, SR Legacy and Foundation Foods: the 6,012 to 8,218 reference foods that report each value; the share of them with less per 100 g.

Every nutrient in this record (65)

The portion is 1 oz, cooked (28.35 g); % DV is for that portion.

Energy, macronutrients and sugars (12)
NutrientPer portionPer 100 g% DV
Protein0.64 g2.26 g1%
Total lipid (fat)0.37 g1.30 g0%
Carbohydrate, by difference3.73 g13.2 g1%
Energy19.3 kcal68.0 kcal
Alcohol, ethyl0 g0 g
Water23.4 g82.7 g
Total Sugars0.079 g0.28 g
Fiber, total dietary0.54 g1.90 g2%
Cholesterol0 mg0 mg0%
Fatty acids, total saturated0.072 g0.26 g0%
Fatty acids, total monounsaturated0.12 g0.44 g
Fatty acids, total polyunsaturated0.14 g0.48 g
Minerals (9)
NutrientPer portionPer 100 g% DV
Calcium, Ca19.6 mg69.0 mg2%
Iron, Fe1.33 mg4.68 mg7%
Magnesium, Mg7.09 mg25.0 mg2%
Phosphorus, P22.7 mg80.0 mg2%
Potassium, K19.6 mg69.0 mg0%
Sodium, Na12.8 mg45.0 mg1%
Zinc, Zn0.14 mg0.48 mg1%
Copper, Cu0.022 mg0.076 mg2%
Selenium, Se1.25 µg4.40 µg2%
Vitamins (23)
NutrientPer portionPer 100 g% DV
Retinol41.4 µg146 µg
Vitamin A, RAE41.4 µg146 µg5%
Carotene, beta0 µg0 µg
Carotene, alpha0 µg0 µg
Vitamin E (alpha-tocopherol)0.028 mg0.10 mg0%
Vitamin D (D2 + D3)0 µg0 µg0%
Cryptoxanthin, beta0 µg0 µg
Lycopene0 µg0 µg
Lutein + zeaxanthin0 µg0 µg
Vitamin C, total ascorbic acid0 mg0 mg0%
Thiamin0.022 mg0.076 mg2%
Riboflavin0.0026 mg0.0090 mg0%
Niacin0.053 mg0.19 mg0%
Vitamin B-60.0043 mg0.015 mg0%
Folate, total1.70 µg6.00 µg
Vitamin B-120 µg0 µg0%
Choline, total1.47 mg5.20 mg0%
Vitamin K (phylloquinone)0.11 µg0.40 µg0%
Folic acid0 µg0 µg
Folate, food1.70 µg6.00 µg
Folate, DFE1.70 µg6.00 µg0%
Vitamin E, added0 mg0 mg
Vitamin B-12, added0 µg0 µg
Fatty acids (19)
NutrientPer portionPer 100 g% DV
SFA 4:00 g0 g
SFA 6:00 g0 g
SFA 8:00 g0 g
SFA 10:00 g0 g
SFA 12:00 g0 g
SFA 14:00.00057 g0.0020 g
SFA 16:00.064 g0.23 g
SFA 18:00.0060 g0.021 g
MUFA 18:10.12 g0.43 g
PUFA 18:20.13 g0.46 g
PUFA 18:30.0040 g0.014 g
PUFA 20:40 g0 g
PUFA 22:6 n-3 (DHA)0 g0 g
MUFA 16:10.00057 g0.0020 g
PUFA 18:40 g0 g
MUFA 20:10.0026 g0.0090 g
PUFA 20:5 n-3 (EPA)0 g0 g
MUFA 22:10.00028 g0.0010 g
PUFA 22:5 n-3 (DPA)0 g0 g

Source: USDA FoodData Central, FDC 2708387: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Other ways to eat oatmeal

USDA lists 21 preparations of oatmeal. The oatmeal page puts them side by side, per 100 g and per portion.

Compare every oatmeal preparation

Sources for this page
USDA FoodData Central
this record and every record it is compared with, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation
what branded, SR Legacy, Foundation and survey records are. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies
survey foods and their household portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food
the label format, its rounding and the Daily Values. ecfr.gov
21 CFR 101 subpart D, Nutrient content claims
the FDA thresholds the comparisons count. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label
the 5% and 20% Daily Value rule. fda.gov