Calories in Peanuts (roasted)

164kcal per 1 oz (28 g)

587 kcal per 100 g · about 8% of a 2,000-kcal day

Peanuts are technically legumes but eat like nuts, with 24 g of protein per 100 g. A one-ounce handful is about 164 calories — the open jar is the hazard.

Peanuts (roasted) nutrition facts

NutrientPer 100 gPer 1 oz
Calories587 kcal164 kcal
Protein24.4 g6.8 g
Carbs21.5 g6 g
Fat49.7 g13.9 g
Fiber8 g2.2 g
Sugar4.2 g1.2 g

Where the calories come from

Peanuts (roasted) calories by serving size

ServingCaloriesProteinCarbsFat
1 oz (28 g)164 kcal6.8 g6 g13.9 g
50 g294 kcal12.2 g10.8 g24.9 g
100 g587 kcal24.4 g21.5 g49.7 g
200 g1174 kcal48.8 g43 g99.4 g
250 g1468 kcal61 g53.8 g124.3 g

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More legumes & nuts

Values based on USDA FoodData Central reference entries. Actual nutrition varies with variety, preparation, and portion. © 2026 NibbleCal.