How many carbs are in peanut butter?
Peanut butter contains 12 g of carbohydrate per 100 g, of which 6.4 g is sugars, plus 7.6 g of fibre. 1 tbsp (17 g) gives 2.1 g of carbohydrate.
Add to your plate
2.1 g carbs · 111 kcal
At a glance
- Carbs / 100 g
- 12 g
- 1 tbsp (17 g)
- 2.1 g
- Fibre / 100 g
- 7.6 g
- kcal / 100 g
- 652
- FPU / 100 g
- 5.9
Carbohydrate per portion
| Portion | Weight | Carbs | Fibre | kcal | FPU |
|---|---|---|---|---|---|
| 1 tsp | 6 g | 0.7 g | 0.5 g | 39 | 0.4 |
| 1 tbsp | 17 g | 2.1 g | 1.3 g | 111 | 1 |
| 100 g | 100 g | 12 g | 7.6 g | 652 | 5.9 |
The slow rise (fat-protein units)
1 tbsp of peanut butter (17 g) carries 9.1 g of fat and 4.4 g of protein, which is 1 fat-protein units. That is enough for a slow rise of about 3 hours after the carbohydrate’s own peak. Counted the way the app counts it, at 10 g of carbohydrate per unit, the whole glucose load of the portion is about 12 g.
Nutrition per 100 g
| Energy | 652 kcal |
| Fat | 53.7 g |
| of which saturates | 10.7 g |
| Carbohydrate (available) | 12.2 g |
| of which sugars | 6.4 g |
| Fibre | 7.6 g |
| Protein | 26.1 g |
| Salt | 0.9 g |
Source: Frida – Fødevaredata, DTU Fødevareinstituttet, FCDB v6.1 - May 2026. Frida entry: “Peanut butter” (Nut products). Fetched 2026-09-22. Frida’s carbohydrate figure is available carbohydrate, which already excludes fibre.
More in snacks and sweets
- Dark chocolate
- Ice cream
- Crisps
- Liquorice
- Wine gums
- Honey
- Sugar
- Almonds
- Peanuts
- Snacks and sweets
- 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.
