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Food · Soups, Sauces, and Gravies

Onion soup nutrition facts

A typical portion of onion soup (100 g; 100 g, dry, mix) has 290 calories and 7g of protein (USDA FoodData Central). USDA lists 3 descriptions of it: per 100 g they range from 12 calories (dry, mix, prepared with water) to 293 (dry, mix).

Nutrition Facts

Serving size100 g (100g)
Amount per serving
Calories290
% Daily Value*
Total Fat 0g0%
Saturated Fat 0g0%
Trans Fat not declared
Cholesterol 0mg0%
Sodium 8030mg349%
Total Carbohydrate 65g24%
Dietary Fiber 7g24%
Total Sugars 5g
Includes Added Sugars not declared
Protein 7g15%
Vitamin D 0mcg0%
Calcium 140mg11%
Iron 1.3mg7%
Potassium 720mg15%

* 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 for Soup, onion, dry, mix, scaled to the portion. Check the USDA record.

Protein per 100 g
7.5g
more than 46% of 8,218 USDA reference foods
Calories per 100 g
293
more than 72% of reference foods
Sodium per 100 g
8,031mg
more than 100% of reference foods

100 g weighs 100 g in USDA's record for Soup, onion, dry, mix (FDC 171165).

Where the calories come from: 89% carbohydrate, 1% fat and 10% protein (4 calories a gram of protein or carbohydrate, 9 of fat).

Also rich in

  • Copper0.4 mg in 100 g (100 g), 39% of the Daily Value
  • Vitamin B60.6 mg in 100 g (100 g), 34% of the Daily Value
  • Manganese0.7 mg in 100 g (100 g), 29% of the Daily Value
  • Thiamin0.3 mg in 100 g (100 g), 23% of the Daily Value
  • Riboflavin0.3 mg in 100 g (100 g), 21% of the Daily Value
  • Phosphorus211 mg in 100 g (100 g), 17% of the Daily Value
  • Magnesium60 mg in 100 g (100 g), 14% of the Daily Value
  • Zinc1.1 mg in 100 g (100 g), 10% of the Daily Value

Source: USDA FoodData Central (FDC 171165), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.

Every form of onion soup USDA describes

Dry, mix has the most calories per 100 g (293); the fewest: Dry, mix, prepared with water (12)

Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12Calories per 100 g by USDA description of onion soupDry, mix293Canned, condensed46Dry, mix, prepared with water12
Per 100 g, USDA FoodData Central. The violet bar is the form on the label at left.
All 3 USDA descriptions of onion soup, per 100 g
USDA descriptionCaloriesProteinFatSodium
Soup, onion, dry, mix2937.5 g0.3 g8,031 mg
Soup, onion, canned, condensed463.1 g1.4 g516 mg
Soup, onion, dry, mix, prepared with water120.3 g0 g346 mg

Every nutrient in this record (82)

The portion is 100 g (100 g); % DV is for that portion.

Energy, macronutrients and sugars (13)
NutrientPer portionPer 100 g% DV
Protein7.48 g7.48 g15%
Total lipid (fat)0.34 g0.34 g0%
Carbohydrate, by difference65.1 g65.1 g24%
Ash23.3 g23.3 g
Energy293 kcal293 kcal
Alcohol, ethyl0 g0 g
Water3.79 g3.79 g
Total Sugars4.65 g4.65 g
Fiber, total dietary6.60 g6.60 g24%
Cholesterol0 mg0 mg0%
Fatty acids, total saturated0.089 g0.089 g0%
Fatty acids, total monounsaturated0.067 g0.067 g
Fatty acids, total polyunsaturated0.16 g0.16 g
Minerals (10)
NutrientPer portionPer 100 g% DV
Calcium, Ca143 mg143 mg11%
Iron, Fe1.25 mg1.25 mg7%
Magnesium, Mg60.0 mg60.0 mg14%
Phosphorus, P211 mg211 mg17%
Potassium, K721 mg721 mg15%
Sodium, Na8,031 mg8,031 mg349%
Zinc, Zn1.12 mg1.12 mg10%
Copper, Cu0.35 mg0.35 mg39%
Manganese, Mn0.67 mg0.67 mg29%
Selenium, Se5.00 µg5.00 µg9%
Vitamins (28)
NutrientPer portionPer 100 g% DV
Retinol0 µg0 µg
Vitamin A, RAE1.00 µg1.00 µg0%
Carotene, beta9.00 µg9.00 µg
Carotene, alpha0 µg0 µg
Vitamin E (alpha-tocopherol)0.13 mg0.13 mg1%
Vitamin D (D2 + D3)0 µg0 µg0%
Cryptoxanthin, beta0 µg0 µg
Lycopene0 µg0 µg
Lutein + zeaxanthin27.0 µg27.0 µg
Tocopherol, beta0 mg0 mg
Tocopherol, gamma0.66 mg0.66 mg
Tocopherol, delta0.28 mg0.28 mg
Tocotrienol, alpha0 mg0 mg
Vitamin C, total ascorbic acid3.40 mg3.40 mg4%
Thiamin0.28 mg0.28 mg23%
Riboflavin0.27 mg0.27 mg21%
Niacin1.47 mg1.47 mg9%
Pantothenic acid0.85 mg0.85 mg
Vitamin B-60.58 mg0.58 mg34%
Folate, total0 µg0 µg
Vitamin B-120 µg0 µg0%
Choline, total28.4 mg28.4 mg5%
Vitamin K (phylloquinone)1.40 µg1.40 µg1%
Folic acid0 µg0 µg
Folate, food0 µg0 µg
Folate, DFE0 µg0 µg0%
Vitamin E, added0 mg0 mg
Vitamin B-12, added0 µg0 µg
Fatty acids (29)
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 g0 g
SFA 16:00.060 g0.060 g
SFA 18:00.0050 g0.0050 g
SFA 20:00.012 g0.012 g
MUFA 18:10.056 g0.056 g
PUFA 18:20.15 g0.15 g
PUFA 18:30.012 g0.012 g
PUFA 20:40 g0 g
PUFA 22:6 n-3 (DHA)0 g0 g
SFA 22:00.012 g0.012 g
MUFA 16:10 g0 g
PUFA 18:40 g0 g
MUFA 20:10 g0 g
PUFA 20:5 n-3 (EPA)0 g0 g
MUFA 22:10 g0 g
PUFA 22:5 n-3 (DPA)0 g0 g
Phytosterols0 mg0 mg
SFA 15:00 g0 g
SFA 17:00 g0 g
SFA 24:00 g0 g
PUFA 20:2 n-6 c,c0.0060 g0.0060 g
MUFA 17:10.012 g0.012 g
SFA 13:00.0010 g0.0010 g
MUFA 15:10 g0 g

Source: USDA FoodData Central, FDC 171165: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.

Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.

Questions

How many calories are in onion soup?

290 in 100 g (100 g) of dry, mix; 12 to 293 per 100 g across USDA's descriptions.

How much protein is in onion soup?

7g in 100 g; 7.5 g per 100 g.

How much sodium is in onion soup?

8030mg in 100 g; 8,031 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.

Sources for this page
USDA FoodData Central
the food and product records, April 30, 2026 release. fdc.nal.usda.gov
FoodData Central documentation
what each data type is and how branded records are submitted. fdc.nal.usda.gov
USDA Food and Nutrient Database for Dietary Studies
the survey foods and their portions. ars.usda.gov
21 CFR 101.9, Nutrition labeling of food
the label format, rounding and Daily Values. ecfr.gov
FDA, How to Understand and Use the Nutrition Facts Label
the 5% and 20% Daily Value rule. fda.gov