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
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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 kernels | Popped (approx) | Serves |
|---|---|---|
| 2 tbsp (28 g) | ~4 cups | 1–2 |
| ¼ cup (56 g) | ~8 cups | 2–3 |
| ⅓ cup (75 g) | ~10 cups | 3–4 |
| ½ cup (113 g) | ~15 cups | 5–6 |
A typical snack serving is about 2 cups of popped popcorn per person.
Cups to grams chart for popcorn kernels
| Cups | Grams | Ounces |
|---|---|---|
| 1/4 | 56.3 | 1.98 |
| 1/3 | 75 | 2.65 |
| 1/2 | 113 | 3.97 |
| 2/3 | 150 | 5.29 |
| 3/4 | 169 | 5.95 |
| 1 | 225 | 7.94 |
| 1 1/2 | 338 | 11.9 |
| 2 | 450 | 15.9 |
| 3 | 675 | 23.8 |
Grams to cups chart for popcorn kernels
| Grams | Cups | Ounces |
|---|---|---|
| 10 | 0 | 0.35 |
| 25 | 1/8 | 0.88 |
| 50 | 1/4 | 1.76 |
| 75 | 1/3 | 2.65 |
| 100 | 1/2 | 3.53 |
| 125 | 1/2 | 4.41 |
| 150 | 2/3 | 5.29 |
| 200 | 7/8 | 7.05 |
| 250 | 1 1/8 | 8.82 |
| 300 | 1 1/3 | 10.6 |
| 500 | 2 1/4 | 17.6 |
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.