Foodstruct Nutrition Search | Diet Analysis | Food Comparison | Glycemic Index Chart | Insulin Index Chart | Blog | Subscribe | Sign Up
  1. Home
  2. Foods
  3. Vegetables
  4. Sweet onion
  5. Compare
  6. Sweet onion vs. Tomato

Sweet onion vs. Tomato — In-Depth Nutrition Comparison

Compare

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

Sweet onion vs Tomato infographic
Infographic link

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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Tomato
Tomato
5
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.9% 3% 21% 10% 20% 4.6% 10% 0.65% 15% 0%
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%
~equal in Iron ~0.27mg
~equal in Copper ~0.059mg

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.
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 16% 0% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 3%
Tomato
Tomato
6
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 46% 14% 11% 0% 9.3% 4.4% 11% 5.3% 18% 0% 20% 11% 3.7%
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%
~equal in Vitamin D ~0µg
~equal in Vitamin B1 ~0.037mg
~equal in Vitamin B2 ~0.019mg
~equal in Vitamin B5 ~0.089mg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Sweet onion Tomato 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%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Tomato
Tomato
4
4% 95%
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
14% 45% 40%
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
Tomato
Tomato
0
48% 52%
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

People also compare

Sweet onion
Sweet onion vs Onion
Onion
Sweet onion
Sweet onion vs Welsh onion
Welsh onion
Sweet onion
Sweet onion vs Chives
Chives
Tomato
Tomato vs Onion
Onion
Tomato
Tomato vs Garlic
Garlic
Tomato
Tomato vs Cucumber
Cucumber

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients
  2. Tomato - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170457/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.