Peanut Butter

Q: How many calories in cup of peanut butter?

About 1525 calories, with roughly 66.4g of protein. cup weighs about 258g. Use the slider above for any other portion.

One food. Every number that matters.

591

cal per 100 g

Portion explorer

How much are you eating?

Drag the slider or type grams. Everything below updates live.

= 9.1 oz

Calories

1525

Protein

66.4g

Carbs

48.4g

Fat

131.1g

Protein 16% Carbs 12% Fat 72%

Get weekly calorie thinking from Caloro

One short email a week — food comparisons, restaurant hacks, and honest calorie thinking. No fluff, no fads.

Unsubscribe anytime. No spam.

You’re on the list. Your first email arrives once we have something worth sending — probably this week.

Peanut Butter is 72% fat by calorie — almost all of it unsaturated.

Dense fuel, not junk. Fat is 9 cal/g vs 4 for protein or carbs — an ounce is a real portion, not a "handful."

Reverse calculator

Work backwards from your target.

To hit grams of protein, eat:

—

For calories, eat:

—

Burn it off

What per 100 g costs.

Minutes for a 155 lb (70 kg) adult to burn 591 cal. Adjust down for lighter, up for heavier.

Walking

169

min · 3.5 mph

Cycling

min · easy pace

Jogging

min · 5 mph

Swimming

min · freestyle

Estimates from the Compendium of Physical Activities. Real burn depends on weight, intensity, and fitness.

Full nutrient panel · per 100 g

What else is in there.

From USDA FoodData Central (SR Legacy). %DV against the FDA 2,000-calorie reference.

Fiber5.6 g20%

Sugar10.47 g—

Saturated fat10.125 g51%

Cholesterol0 mg0%

Sodium420 mg18%

Potassium667 mg14%

Calcium43 mg3%

Iron16.6 mg92%

Magnesium355 mg85%

Zinc14.4 mg131%

Vitamin C0 mg0%

Vitamin E43.2 mg288%

Vitamin A1172 mcg130%

Vitamin D0 mcg0%

Vitamin B62.23 mg131%

Vitamin B120 mcg0%

Folate373 mcg93%

Niacin13.369 mg84%

Caffeine0 mg—

How it stacks

Compared to its neighbors.

per 100 g, as-served. Same portion, honest comparison.

Peanuts

Almost identical calories.

Cal587 Protein24.4 g Fat49.7 g

Peanuts

Almost identical calories.

Cal599 Protein28 g Fat52.5 g

Peanuts

21 fewer calories per 100g · -3g fat.

Cal570 Protein25.1 g Fat47.6 g

Common questions

The stuff people actually ask.

How many calories in cup of peanut butter?

About 1525 calories, with roughly 66.4g of protein. cup weighs about 258g. Use the slider above for any other portion.

Is peanut butter actually healthy, or is that marketing?

By the numbers on this page: dense in unsaturated fat, fiber, and micronutrients — the "high calorie ≠ unhealthy" case in food form.

Stop typing grams. Snap the plate.

Caloro reads any food from a photo and logs it in a second. Free to try, no card.

Open Caloro →