🥄 CupsToGrams

Popcorn Kernels: How Much Popped Does Each Cup Make?

1 cup of popcorn kernels weighs about 225 g. So 100 g ≈ 1/2 cup, 200 g ≈ 7/8 cup, and 300 g ≈ 1 1/3 cups. Convert any amount between grams, cups, ounces, tablespoons and millilitres with the calculator below.

💡 Tip: About 1 tablespoon of kernels makes roughly 2 cups popped — measure kernels, not popped, when a recipe gives a popped-cup amount

= 225
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Popcorn kernels to popped popcorn

Kernels expand massively — roughly 1 tablespoon of kernels → 2 cups popped. Use this to measure for a recipe or a movie night:

Unpopped kernelsPopped (approx)Serves
2 tbsp (28 g)~4 cups1–2
¼ cup (56 g)~8 cups2–3
⅓ cup (75 g)~10 cups3–4
½ cup (113 g)~15 cups5–6

A typical snack serving is about 2 cups of popped popcorn per person.

Cups to grams chart for popcorn kernels

CupsGramsOunces
1/456.31.98
1/3752.65
1/21133.97
2/31505.29
3/41695.95
12257.94
1 1/233811.9
245015.9
367523.8

Grams to cups chart for popcorn kernels

GramsCupsOunces
1000.35
251/80.88
501/41.76
751/32.65
1001/23.53
1251/24.41
1502/35.29
2007/87.05
2501 1/88.82
3001 1/310.6
5002 1/417.6

Spoon reference: 1 tablespoon ≈ 14.1 g, 1 teaspoon ≈ 4.69 g.

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Frequently asked questions

How many grams is 1 cup of popcorn kernels?
1 US cup of popcorn kernels weighs about 225 grams (7.94 ounces).
How many cups is 100g of popcorn kernels?
100 grams of popcorn kernels is about 1/2 cup.
How many cups is 200g of popcorn kernels?
200 grams of popcorn kernels is about 7/8 cup.
How many cups is 250g of popcorn kernels?
250 grams of popcorn kernels is about 1 1/8 cups.
How many cups is 300g of popcorn kernels?
300 grams of popcorn kernels is about 1 1/3 cups.
How many cups is 500g of popcorn kernels?
500 grams of popcorn kernels is about 2 1/4 cups.
How many grams is ½ cup of popcorn kernels?
Half a US cup of popcorn kernels is about 113 grams.
How much does 1 cup of popcorn kernels weigh?
1 cup of popcorn kernels weighs about 225 grams, or roughly 7.94 ounces.
How many grams in a tablespoon of popcorn kernels?
About 14.1 grams per tablespoon (and roughly 4.69 g per teaspoon).
Why do my numbers differ slightly?
Density changes with how the popcorn kernels is packed, sifted or measured. For precise baking, weigh with a scale instead of using cups.
How much popcorn does ¼ cup of kernels make?
About 8 cups of popped popcorn — enough for 2–3 people. Roughly 1 tablespoon of kernels makes 2 cups popped.
How many cups of popped popcorn come from ½ cup of kernels?
About 15 cups of popped popcorn, enough for 5–6 servings.
How many grams is 1 cup of popcorn kernels?
1 cup of unpopped popcorn kernels weighs about 225 grams.
How many kernels for one serving of popcorn?
About 2 tablespoons of kernels makes roughly 4 cups popped — one to two snack servings.

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