How many carbs are in watermelon?
Watermelon contains 6.5 g of carbohydrate per 100 g, of which 6.5 g is sugars, plus 0.5 g of fibre. 1 dl diced (70 g) gives 4.5 g of carbohydrate.
Add to your plate
4.5 g carbs · 22 kcal
At a glance
- Carbs / 100 g
- 6.5 g
- 1 dl diced (70 g)
- 4.5 g
- Fibre / 100 g
- 0.5 g
- kcal / 100 g
- 31
- FPU / 100 g
- 0
Carbohydrate per portion
| Portion | Weight | Carbs | Fibre | kcal | FPU |
|---|---|---|---|---|---|
| 1 slice | 150 g | 9.8 g | 0.8 g | 47 | 0.1 |
| 1 dl diced | 70 g | 4.5 g | 0.3 g | 22 | 0 |
| Large slice | 300 g | 20 g | 1.5 g | 93 | 0.1 |
| 100 g | 100 g | 6.5 g | 0.5 g | 31 | 0 |
The slow rise (fat-protein units)
1 dl diced of watermelon (70 g) carries 0.1 g of fat and 0.6 g of protein, which is 0 fat-protein units. That is too little to speak of a slow rise: the effect of this portion is its carbohydrate, and not much else.
Nutrition per 100 g
| Energy | 31 kcal |
| Fat | 0.1 g |
| of which saturates | 0 g |
| Carbohydrate (available) | 6.5 g |
| of which sugars | 6.5 g |
| Fibre | 0.5 g |
| Protein | 0.8 g |
| Salt | 0 g |
Source: Frida – Fødevaredata, DTU Fødevareinstituttet, FCDB v6.1 - May 2026. Frida entry: “Watermelon, raw” (Tropical or subtropical fruit). Fetched 2026-09-22. Frida’s carbohydrate figure is available carbohydrate, which already excludes fibre.
More in fruit
- Banana
- Apple
- Orange
- Grapes
- Strawberries
- Raisins
- Pear
- Kiwi
- Blueberries
- Raspberries
- Mango
- Pineapple
- Avocado
- Fruit
- Carb counter
Figures are general nutrition information and do not replace advice from your doctor or dietitian. This page does not calculate insulin and is not a medical device.
Scan the whole meal instead
The Kairi app scans a dish, a menu or a barcode and scores it for your blood sugar, using the same carbohydrate and fat-protein arithmetic as these pages.
