WellByNumbers.

Onion (raw)

The aromatic base of half the world's cooking; its sweetness is caramelization.

EnergyProteinCarbsFiberFat
Per 100 g40 kcal 1.1 g9.3 g 1.7 g0.1 g
Per 100 kcal— 2.8 g23.3 g 4.2 g0.2 g
One medium · 110 g44 kcal1.2 g10.3 g1.9 g0.1 g

Where the calories come from

protein 10%carbs 88%2%

Also in 100 g

Total sugars4.2 g
Saturated fat0.0 g
Sodium4 mg · 0% DV
Potassium146 mg · 3% DV
Calcium23 mg · 2% DV
Iron0 mg · 1% DV
Magnesium10 mg · 2% DV
Vitamin C7.4 mg · 8% DV
Vitamin A (RAE)0 mcg · 0% DV
Vitamin E (alpha-tocopherol)0.0 mg · 0% DV
Folate (DFE)19 mcg · 5% DV
Choline6.1 mg · 1% DV
Vitamin B60.12 mg · 7% DV
Phosphorus29 mg · 2% DV
Copper0.04 mg · 4% DV
Potassium : sodium36.5 : 1 · favorable
Protein1.2 g · 2% DVFiber1.9 g · 7% DVPotassium161 mg · 3% DVCalcium25 mg · 2% DVIron0.2 mg · 1% DVMagnesium11 mg · 3% DVSodium4.4 mg · 0% DV

DV = FDA daily value for adults (21 CFR 101.9). A dash (—) means the USDA entry for this food does not report that nutrient — we leave it blank rather than estimate it. Values synced from USDA FoodData Central., entry 170000 Fiber sits inside the carbs figure.

2727 gfor 30 g protein
1091 kcalthose grams cost
1.7 gfiber per 100 g

Where it sits in the whole library

01002003004005006007001020304050607080g proteinkcal per 100 g →↑ lean & protein-richenergy-dense ↓Chicken breastRolled oatsOnion
0100200300400500600700510152025303540g fiberkcal per 100 g →↑ fiber-heavyrefined ↓Chia seedsBroccoliOnion
05101520253691215g fiber /100 kcalg protein per 100 kcal →↑ fiber-rich caloriesempty calories ↓LentilsChicken breastOnion

Rank within vegetables

Watercress20.9 gAlfalfa sprouts17.3 gMushrooms14.0 gSpinach12.4 gPortobello11.3 gAsparagus10.9 gChives10.9 gArugula10.3 gPurslane10.1 gBean sprouts10.1 gOyster mushroom10.0 gOnion2.8 g#49 of 64 in Vegetables · protein per 100 kcal

Fiber, in context

Onion1.7 gRolled oats10.1 gBroccoli3.3 gWhite rice0.9 g

Compare onion with anything

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