How much protein is in 4 oz of peanut butter, smooth?

A 4 oz (113g) serving of peanut butter, smooth provides 28.5g of protein and 667 calories, along with 22.7g of carbohydrates and 57.2g of fat.

How much peanut butter, smooth do I need to get 30g of protein?

To get 30 grams of protein from peanut butter, smooth, you need 4.2 oz (120 grams), which contains approximately 706 calories.

100 grams of peanut butter, smooth contains 25.1g of protein (588 kcal). One full pound (16 oz / 454g) contains 113.9g of protein (2667 kcal).

USDA FoodData Central breakdown in US ounces and grams — plus exact portions to hit your per-meal protein target.

USDA Per-Serving & 30g Target

4 oz = 28.5g Protein (667 kcal)

To hit 30g of protein from peanut butter, smooth, measure 4.2 oz (120 g) for ~706 calories.

Per 4 oz (113g US)

28.5g P

667 kcal · 22.7g C · 57.2g F

Per 100 Grams

25.1g P

588 kcal · 20g C · 50.4g F

Per 1 Pound (16 oz)

113.9g P

2667 kcal total

30g Protein Portion

4.2 oz

120g · 706 kcal

Portion Target Table

Protein Goal	US Ounces (oz)	Grams (g)	Calories	Carbs / Fat
20g Protein	2.8 oz	80 g	470 kcal	16g C · 40.3g F
30g Protein	4.2 oz	120 g	706 kcal	24g C · 60.5g F
40g Protein	5.6 oz	159 g	935 kcal	31.8g C · 80.1g F
50g Protein	7.0 oz	199 g	1,170 kcal	39.8g C · 100.3g F