Sweet onion vs. Tomato — In-Depth Nutrition Comparison
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Summary of differences between sweet onion and tomatoes
- Sweet onion has less vitamin A, vitamin C, and vitamin K than tomatoes.
- Tomatoes cover your daily need for vitamin A, 17% more than sweet onion.
- Sweet onion has 2 times more sugar than tomatoes. While sweet onion has 5.02g of sugar, tomatoes have only 2.63g.
These are the specific foods used in this comparison Onions, sweet, raw and Tomatoes, red, ripe, raw, year round average.
Infographic
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Mineral Comparison
Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more CalciumCalcium | +100% |
| Contains more PhosphorusPhosphorus | +12.5% |
| Contains more SeleniumSelenium | +∞% |
| Contains more MagnesiumMagnesium | +22.2% |
| Contains more PotassiumPotassium | +99.2% |
| Contains more ZincZinc | +30.8% |
| Contains less SodiumSodium | -37.5% |
| Contains more ManganeseManganese | +50% |
Vitamin Comparison
Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more Vitamin B6Vitamin B6 | +62.5% |
| Contains more FolateFolate | +53.3% |
| Contains more Vitamin CVitamin C | +185.4% |
| Contains more Vitamin AVitamin A | +∞% |
| Contains more Vitamin EVitamin E | +2600% |
| Contains more Vitamin B3Vitamin B3 | +346.6% |
| Contains more Vitamin KVitamin K | +2533.3% |
| Contains more CholineCholine | +21.8% |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
Protein:
0.8 g
Fats:
0.08 g
Carbs:
7.55 g
Water:
91.24 g
Other:
0.33 g
Protein:
0.88 g
Fats:
0.2 g
Carbs:
3.89 g
Water:
94.52 g
Other:
0.51 g
| Contains more CarbsCarbs | +94.1% |
| Contains more FatsFats | +150% |
| Contains more OtherOther | +54.5% |
~equal in
Protein
~0.88g
~equal in
Water
~94.52g
Carbohydrate type comparison
Carbohydrate type breakdown side-by-side comparison
Starch:
0 g
Sucrose:
0.72 g
Glucose:
2.26 g
Fructose:
2.02 g
Lactose:
0.02 g
Maltose:
0 g
Galactose:
0 g
Starch:
0 g
Sucrose:
0 g
Glucose:
1.25 g
Fructose:
1.37 g
Lactose:
0 g
Maltose:
0 g
Galactose:
0 g
| Contains more SucroseSucrose | +∞% |
| Contains more GlucoseGlucose | +80.8% |
| Contains more FructoseFructose | +47.4% |
| Contains more LactoseLactose | +∞% |
~equal in
Starch
~0g
~equal in
Maltose
~0g
~equal in
Galactose
~0g
Comparison summary table
Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
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| Lower in Sugar |
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| Lower in Sodium |
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| Lower in Saturated fat |
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| Lower in Glycemic Index |
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| Lower in price |
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| Lower in Cholesterol | Equal | ||
| Rich in minerals | Equal | ||
| Rich in vitamins | Equal | ||
All nutrients comparison - raw data values
| Nutrient | |
|
DV% diff. |
| Vitamin C | 4.8mg | 13.7mg | 10% |
| Vitamin K | 0.3µg | 7.9µg | 6% |
| Vitamin A | 0µg | 42µg | 5% |
| Vitamin B6 | 0.13mg | 0.08mg | 4% |
| Vitamin B3 | 0.133mg | 0.594mg | 3% |
| Potassium | 119mg | 237mg | 3% |
| Vitamin E | 0.02mg | 0.54mg | 3% |
| Folate | 23µg | 15µg | 2% |
| Manganese | 0.076mg | 0.114mg | 2% |
| Calories | 32kcal | 18kcal | 1% |
| Polyunsaturated fat | 0.083g | 1% | |
| Selenium | 0.5µg | 0µg | 1% |
| Fructose | 2.02g | 1.37g | 1% |
| Fiber | 0.9g | 1.2g | 1% |
| Calcium | 20mg | 10mg | 1% |
| Carbs | 7.55g | 3.89g | 1% |
| Protein | 0.8g | 0.88g | 0% |
| Fats | 0.08g | 0.2g | 0% |
| Net carbs | 6.65g | 2.69g | N/A |
| Magnesium | 9mg | 11mg | 0% |
| Iron | 0.26mg | 0.27mg | 0% |
| Sugar | 5.02g | 2.63g | N/A |
| Copper | 0.056mg | 0.059mg | 0% |
| Zinc | 0.13mg | 0.17mg | 0% |
| Phosphorus | 27mg | 24mg | 0% |
| Sodium | 8mg | 5mg | 0% |
| Vitamin B1 | 0.041mg | 0.037mg | 0% |
| Vitamin B2 | 0.02mg | 0.019mg | 0% |
| Vitamin B5 | 0.098mg | 0.089mg | 0% |
| Saturated fat | 0.028g | 0% | |
| Choline | 5.5mg | 6.7mg | 0% |
| Monounsaturated fat | 0.031g | 0% | |
| Tryptophan | 0.009mg | 0.006mg | 0% |
| Threonine | 0.018mg | 0.027mg | 0% |
| Isoleucine | 0.014mg | 0.018mg | 0% |
| Leucine | 0.025mg | 0.025mg | 0% |
| Lysine | 0.033mg | 0.027mg | 0% |
| Methionine | 0.009mg | 0.006mg | 0% |
| Phenylalanine | 0.024mg | 0.027mg | 0% |
| Valine | 0.02mg | 0.018mg | 0% |
| Histidine | 0.011mg | 0.014mg | 0% |
Which food is preferable for your diet?
is better in case of low diet
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| Low Calories diet |
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| Low Fats diet |
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| Low Carbs diet |
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| Low Glycemic Index diet |
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Vitamins & Minerals Daily Need Coverage Score
The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
7%
12%
Minerals Daily Need Coverage Score
8%
9%
Comparison summary
Which food is lower in Sugar?
Tomato is lower in Sugar (difference - 2.39g)
Which food contains less Sodium?
Tomato contains less Sodium (difference - 3mg)
Which food is lower in Saturated fat?
Sweet onion is lower in Saturated fat (difference - 0.028g)
Which food is lower in glycemic index?
Sweet onion is lower in glycemic index (difference - 23)
Which food is cheaper?
Sweet onion is cheaper (difference - $0.4)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in minerals?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.