USDA-derived comparison
Kale vs Spinach
Kale leads for Vitamin C and Calcium; Spinach answers with Folate, Vitamin A and Vitamin E.
Who each is for: Choose kale for vitamin C and calcium. Choose spinach for folate and vitamin A.
Reviewed 20 July 2026. Generic food data per 100g; brands and preparation vary.
Spinach
Typical serving: 2 cups (60g)
27/100
Side by side, per 100g
The stronger number is highlighted, honestly: higher wins for aim-for nutrients, lower wins for stay-under ones like saturated fat and sodium.
| Nutrient | Kale | Spinach |
|---|---|---|
| Calories | 35 kcal | 23 kcal |
| Protein | 3 g | 3 g |
| Carbs | 4 g | 4 g |
| Fat | 2 g | 0 g |
| Fiber | 4 g | 2 g |
| Sat fat | 0 g | 0 g |
| Sodium | 53 mg | 79 mg |
| Potassium | 348 mg | 558 mg |
| Calcium | 254 mg | 99 mg |
| Iron | 1.6 mg | 2.7 mg |
| Magnesium | 33 mg | 79 mg |
| Zinc | 0.4 mg | 0.5 mg |
| Vitamin C | 93 mg | 28 mg |
| Vitamin D | 0 µg | 0 µg |
| Vitamin B12 | 0 µg | 0 µg |
| Folate | 62 µg | 194 µg |
Servings differ: 2 cups of kale is about 42g, 2 cups of spinach about 60g. Scale accordingly before deciding anything on the 100g basis alone.
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