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Herbs & spices

Red pepper flakes: weights & conversions

A US cup of red pepper flakes weighs about 90 g. 100 g is 318 calories and 12 g of protein.

Also written as: crushed red pepper flakes, cayenne, cayenne pepper, pepper flakes, chili flakes.

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1 cup of red pepper flakes is about 90 grams.

Cups to grams

What each measure of red pepper flakes weighs, from the cup weight above.

red pepper flakes volume conversions
VolumeGramsOunces
1 cup90 g3.17 oz
3/4 cup67.5 g
2/3 cup60 g
1/2 cup45 g
1/3 cup30 g
1/4 cup22.5 g
1 tablespoon5.63 g
1 teaspoon1.88 g

Ounces and pounds

The weights an older recipe card is most likely to use.

red pepper flakes weight conversions
WeightGramsOunces
1 oz28.3 g
4 oz (1/4 lb)113 g
8 oz (1/2 lb)227 g
1 lb454 g
100 g100 g

Nutrition

Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.

Nutrition for red pepper flakes by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)31812 g17.3 g56.6 g27.2 g30 mg
Per cup (90 g)28610.8 g15.6 g50.9 g24.5 g27 mg
Per tablespoon (5.63 g)180.68 g0.97 g3.18 g1.53 g2 mg
Per 4 oz (113 g)36113.6 g19.6 g64.2 g30.8 g34 mg

Free recipes that use red pepper flakes

From our starter library — free to read, free to save into your own cookbook.

Common questions

How many grams are in a cup of red pepper flakes?
One US cup of red pepper flakes weighs about 90 g (3.17 oz). A tablespoon is about 5.63 g and a teaspoon about 1.88 g.
How many cups is 100 g of red pepper flakes?
100 g of red pepper flakes is about 1.11 cups — near enough to 1 1/8 cups in a measuring cup.
How many calories are in red pepper flakes?
Red pepper flakes has about 318 calories per 100 g, which works out to roughly 286 calories a cup.
How much protein is in red pepper flakes?
About 12 g of protein per 100 g — roughly 13.6 g in a 4 oz portion.

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