Whole Wheat Bread vs. Onion
Nutrition comparison of Whole Wheat Bread and Onion
Ever wonder how your favorite foods stack up against each other in terms of nutrition?
We compared the nutritional contents of
whole wheat bread
versus
onion
(100g each)
below using 2020 USDA and NIH data[1].
For a quick recap of significant nutrients and differences in whole wheat bread and onion:
- Whole wheat bread has more thiamin, riboflavin, niacin, pantothenic acid, Vitamin B6 and folate.
- Whole wheat bread is a great source of iron and potassium.
- Whole wheat bread is an excellent source of calcium, dietary fiber and protein.
USDA sources for nutritional information: Whole Wheat Bread (Bread, multi-grain (includes whole-grain)) and Onion (Onions, raw) . Have a correction or suggestions? Shoot us an email.
Calories and Carbs
calories
Whole wheat bread is high in calories and onion has 85% less calories than whole wheat bread - whole wheat bread has 265 calories per 100 grams and onion has 40 calories.
For macronutrient ratios, whole wheat bread is heavier in protein, much lighter in carbs and heavier in fat compared to onion per calorie. Whole wheat bread has a macronutrient ratio of 20:66:14 and for onion, 10:88:2 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
| Whole Wheat Bread | Onion | |
|---|---|---|
| Protein | 20% | 10% |
| Carbohydrates | 66% | 88% |
| Fat | 14% | 2% |
| Alcohol | ~ | ~ |
carbohydrates
Whole wheat bread is high in carbohydrates and onion has 78% less carbohydrates than whole wheat bread - whole wheat bread has 43.3g of total carbs per 100 grams and onion has 9.3g of carbohydrates.
dietary fiber
Whole wheat bread is an excellent source of dietary fiber and it has 335% more dietary fiber than onion - whole wheat bread has 7.4g of dietary fiber per 100 grams and onion has 1.7g of dietary fiber.
sugar
Whole wheat bread and onion contain similar amounts of sugar - whole wheat bread has 6.4g of sugar per 100 grams and onion has 4.2g of sugar.
Protein
protein
Whole wheat bread is an excellent source of protein and it has 11 times more protein than onion - whole wheat bread has 13.4g of protein per 100 grams and onion has 1.1g of protein.
Fat
saturated fat
Both whole wheat bread and onion are low in saturated fat - whole wheat bread has 0.87g of saturated fat per 100 grams and onion has 0.04g of saturated fat.
Vitamins
Vitamin C
Onion has 73 times more Vitamin C than whole wheat bread - whole wheat bread has 0.1mg of Vitamin C per 100 grams and onion has 7.4mg of Vitamin C.
Vitamin A
Onion and whole wheat bread contain similar amounts of Vitamin A - onion has 0.6ug of Vitamin A per 100 grams and whole wheat bread does not contain significant amounts.
Vitamin E
Whole wheat bread and onion contain similar amounts of Vitamin E - whole wheat bread has 0.37mg of Vitamin E per 100 grams and onion has 0.02mg of Vitamin E.
Vitamin K
Whole wheat bread and onion contain similar amounts of Vitamin K - whole wheat bread has 1.4ug of Vitamin K per 100 grams and onion has 0.4ug of Vitamin K.
The B Vitamins
Whole wheat bread has more thiamin, riboflavin, niacin, pantothenic acid, Vitamin B6 and folate.
| Whole Wheat Bread | Onion | |
|---|---|---|
| Thiamin | 0.279 MG | 0.046 MG |
| Riboflavin | 0.131 MG | 0.027 MG |
| Niacin | 4.042 MG | 0.116 MG |
| Pantothenic acid | 0.336 MG | 0.123 MG |
| Vitamin B6 | 0.263 MG | 0.12 MG |
| Folate | 75 UG | 19 UG |
Minerals
calcium
Whole wheat bread is an excellent source of calcium and it has 348% more calcium than onion - whole wheat bread has 103mg of calcium per 100 grams and onion has 23mg of calcium.
iron
Whole wheat bread is a great source of iron and it has 10 times more iron than onion - whole wheat bread has 2.5mg of iron per 100 grams and onion has 0.21mg of iron.
potassium
Whole wheat bread is a great source of potassium and it has 58% more potassium than onion - whole wheat bread has 230mg of potassium per 100 grams and onion has 146mg of potassium.
Antioxidants and Phytonutrients
carotenoids
Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]
For specific types of carotenoids, both whole wheat bread and onion contain small amounts of beta-carotene.
| Whole Wheat Bread | Onion | |
|---|---|---|
| beta-carotene | 1 UG | 1 UG |
| lutein + zeaxanthin | 94 UG | 4 UG |
Omega-3 and Omega-6
omega 3s
For omega-3 fatty acids, whole wheat bread has more alpha linoleic acid (ALA) than onion per 100 grams.
| Whole Wheat Bread | Onion | |
|---|---|---|
| alpha linoleic acid | 0.205 G | 0.004 G |
| Total | 0.205 G | 0.004 G |
omega 6s
Comparing omega-6 fatty acids, whole wheat bread has more linoleic acid than onion per 100 grams.
| Whole Wheat Bread | Onion | |
|---|---|---|
| other omega 6 | 0.002 G | ~ |
| linoleic acid | 1.667 G | 0.013 G |
| Total | 1.669 G | 0.013 G |
Customize your serving size
The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).
You can try adding or subtracting the amount of either Whole Wheat Bread or Onion .
Note: The specific food items compared are: Whole Wheat Bread (Bread, multi-grain (includes whole-grain)) and Onion (Onions, raw) .
Whole Wheat Bread g
()
|
Daily Values (%) |
Onion g
()
|
|||||
|---|---|---|---|---|---|---|---|
| KCAL % |
|
5% | calories | 5% |
|
KCAL % | |
| G % |
|
5% | carbohydrates | 5% |
|
G % | |
| G % |
|
5% | dietary fiber | 5% |
|
G % | |
| G | 5% | sugar | 5% | G | |||
| G % |
|
5% | total fat | 5% |
|
G % | |
| G % |
|
5% | saturated fat | 5% |
|
G % | |
| G | 5% | monounsaturated fat | 5% | G | |||
| G | 5% | polyunsaturated fat | 5% | G | |||
| G | 5% | trans fat | 5% | G | |||
| MG | 5% | cholesterol | 5% | MG | |||
| MG % |
|
5% | sodium | 5% |
|
MG % | |
| 5% | Vitamins and Minerals | 5% | |||||
| UG % |
|
5% | Vitamin A | 5% |
|
UG % | |
| MG % |
|
5% | Vitamin C | 5% |
|
MG % | |
| IU % |
|
5% | Vitamin D | 5% |
|
IU % | |
| MG % |
|
5% | calcium | 5% |
|
MG % | |
| MG % |
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5% | iron | 5% |
|
MG % | |
| MG % |
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5% | magnesium | 5% |
|
MG % | |
| MG % |
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5% | potassium | 5% |
|
MG % | |
| MG % |
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5% | thiamin (Vit B1) | 5% |
|
MG % | |
| MG % |
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5% | riboflavin (Vit B2) | 5% |
|
MG % | |
| MG % |
|
5% | niacin (Vit B3) | 5% |
|
MG % | |
| MG % |
|
5% | Vitamin B6 | 5% |
|
MG % | |
| MG % |
|
5% | pantothenic acid (Vit B5) | 5% |
|
MG % | |
| UG % |
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5% | folate (Vit B9) | 5% |
|
UG % | |
| UG % |
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5% | Vitamin B12 | 5% |
|
UG % | |
| MG % |
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5% | Vitamin E | 5% |
|
MG % | |
| UG % |
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5% | Vitamin K | 5% |
|
UG % | |
| G % |
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5% | protein | 5% |
|
G % | |
| UG % |
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5% | biotin (Vit B7) | 5% |
|
UG % | |
| MG % |
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5% | choline | 5% |
|
MG % | |
| MG % |
|
5% | chlorine | 5% |
|
MG % | |
| UG % |
|
5% | chromium | 5% |
|
UG % | |
| MG % |
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5% | copper | 5% |
|
MG % | |
| UG % |
|
5% | fluoride | 5% |
|
UG % | |
| UG % |
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5% | iodine | 5% |
|
UG % | |
| MG % |
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5% | manganese | 5% |
|
MG % | |
| UG % |
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5% | molybdenum | 5% |
|
UG % | |
| MG % |
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5% | phosphorus | 5% |
|
MG % | |
| UG % |
|
5% | selenium | 5% |
|
UG % | |
| MG % |
|
5% | zinc | 5% |
|
MG % | |
| G | 5% | Water | 5% | G | |||
| G | 5% | Starch | 5% | G | |||
| G | 5% | Alcohol | 5% | G | |||
FAQ
Does whole wheat bread or onion contain more calories in 100 grams?Whole wheat bread is high in calories and onion has 90% less calories than whole wheat bread - whole wheat bread has 265 calories in 100g and onion has 40 calories.
Does whole wheat bread or onion have more carbohydrates?
By weight, whole wheat bread is high in carbohydrates and onion has 80% fewer carbohydrates than whole wheat bread - whole wheat bread has 43.3g of carbs for 100g and onion has 9.3g of carbohydrates.
Does whole wheat bread or onion contain more calcium?
Whole wheat bread is a rich source of calcium and it has 350% more calcium than onion - whole wheat bread has 103mg of calcium in 100 grams and onion has 23mg of calcium.