GL 0.1 per piece (14 g) · GL 1 per 100 g
Diced onion has a glycemic index of 10, lower than plain Whole Onion (15). One piece (14 g) adds a glycemic load of 0.1.
Updated Jul 3, 2026 · Sources: USDA FoodData Central #170000 , Logi Nutrition Team · Not medical advice · Report an error
Logi · Manage Insulin Resistance
Diced onion is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
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| Portion | Grams | GL |
|---|---|---|
| 1 slice, thin | 9 g | 0.1 |
| 1 tbsp, chopped | 10 g | 0.1 |
| 1 slice, medium (1/8" thick) | 14 g | 0.1 |
| 1 slice, large (1/4" thick) | 38 g | 0.4 |
| 1 small | 70 g | 0.7 |
| 1 medium (2-1/2" dia) | 110 g | 1.1 |
| 1 cup, sliced | 115 g | 1.2 |
| 1 large | 150 g | 1.5 |
| 1 cup, chopped | 160 g | 1.6 |
| Calories | 40 kcal |
| Carbohydrates | 9.3 g |
| Sugars (Total) | 4.2 g |
| Natural | 4.2 g |
| Added | 0 g |
| Fiber | 1.7 g |
| Soluble | 0.5 g |
| Insoluble | 1.2 g |
| Protein | 1.1 g |
| Fat | 0.1 g |
| Saturated | 0.03 g |
| Unsaturated | 0.02 g |
| Sodium | 4 mg |
No EU-14 allergen listed
Low-GI recipes on Logi Food Coach
Diced onion has a glycemic index of 10 (Low). One piece (14 g) has a glycemic load of 0.1; per 100 g the glycemic load is 1.
Diced onion has a low glycemic index (10), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
Diced onion has the lowest glycemic load of all forms of Whole Onion in this database (1 per 100 g).
Check Diced onion in the Logi app, with your portion.
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