A typical serving of spinach (1 cup, 30 g) has about 7 calories. Per 100 g: 23 kcal, 2.9 g protein, 3.6 g carbs, 0.4 g fat. The same 100 g carries 2.2 g of fiber and 0.4 g of sugar. Protein supplies most of that energy.
| Serving | Weight | Calories |
|---|---|---|
| 1 cup | 30 g | 7 kcal |
| 1 bunch | 340 g | 78 kcal |
| 1 package (10 oz) | 284 g | 65 kcal |
| 100 g | 100 g | 23 kcal |
A huge salad bowl of raw spinach barely registers: 7 calories per cup. On the energy-density scale, 23 kcal per 100 g puts spinach at the very low end. Protein density is strong: about 12.6 g of protein per 100 calories.
A typical serving (1 cup, 30 g) has about 7 calories, and 100 g has 23 kcal. Calories scale with weight, so double the portion means double the number.
There are 2.9 g of protein in 100 g of spinach, which works out to about 0.9 g per serving (1 cup). Treat it as an energy source rather than a protein source.
There are 3.6 g of carbohydrate per 100 g of spinach, or about 1 g in 1 cup (30 g).
Every value on this page comes from USDA FoodData Central, entry 168462 (SR Legacy). Serving figures are converted from the per-100-g data, so rounding can shift a total by a calorie or two.
Snap a photo of your plate in Joules and the calories and macros for spinach are logged for you.
Get JoulesA note on accuracy: calculators like this one provide estimates based on population-level formulas — your real needs vary with genetics, muscle mass, medical conditions, and more. Results are for information only and are not medical advice, a diagnosis, or a prescription. Talk to a doctor or registered dietitian before making significant changes to your diet or exercise, especially if you have a health condition, are pregnant, or are under 18.
Nutrition data: USDA FoodData Central, FDC ID 168462 (SR Legacy). Serving calories are computed from the per-100-g values.
