Flax Seeds — Grams & Cups Converter
1 cup of flax seeds (also called linseeds) weighs about 150 g. So 100 g ≈ 2/3 cup, 200 g ≈ 1 1/3 cups, and 300 g ≈ 2 cups. Convert any amount between grams, cups, ounces, tablespoons and millilitres with the calculator below.
💡 Tip: Whole flax seeds slip through the gut undigested, so you miss most of the omega-3 and fibre. Grind them just before use to actually absorb the benefit.
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Cups to grams chart for flax seeds
| Cups | Grams | Ounces |
|---|---|---|
| 1/4 | 37.5 | 1.32 |
| 1/3 | 50 | 1.76 |
| 1/2 | 75 | 2.65 |
| 2/3 | 100 | 3.53 |
| 3/4 | 113 | 3.97 |
| 1 | 150 | 5.29 |
| 1 1/2 | 225 | 7.94 |
| 2 | 300 | 10.6 |
| 3 | 450 | 15.9 |
Grams to cups chart for flax seeds
| Grams | Cups | Ounces |
|---|---|---|
| 10 | 1/8 | 0.35 |
| 25 | 1/8 | 0.88 |
| 50 | 1/3 | 1.76 |
| 75 | 1/2 | 2.65 |
| 100 | 2/3 | 3.53 |
| 125 | 7/8 | 4.41 |
| 150 | 1 | 5.29 |
| 200 | 1 1/3 | 7.05 |
| 250 | 1 2/3 | 8.82 |
| 300 | 2 | 10.6 |
| 500 | 3 1/3 | 17.6 |
Spoon reference: 1 tablespoon ≈ 9.38 g, 1 teaspoon ≈ 3.13 g.
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Frequently asked questions
- How many grams is 1 cup of flax seeds?
- 1 US cup of flax seeds weighs about 150 grams (5.29 ounces).
- How many cups is 100g of flax seeds?
- 100 grams of flax seeds is about 2/3 cup.
- How many cups is 200g of flax seeds?
- 200 grams of flax seeds is about 1 1/3 cups.
- How many cups is 250g of flax seeds?
- 250 grams of flax seeds is about 1 2/3 cups.
- How many cups is 300g of flax seeds?
- 300 grams of flax seeds is about 2 cups.
- How many cups is 500g of flax seeds?
- 500 grams of flax seeds is about 3 1/3 cups.
- How many grams is ½ cup of flax seeds?
- Half a US cup of flax seeds is about 75 grams.
- How much does 1 cup of flax seeds weigh?
- 1 cup of flax seeds weighs about 150 grams, or roughly 5.29 ounces.
- How many grams in a tablespoon of flax seeds?
- About 9.38 grams per tablespoon (and roughly 3.13 g per teaspoon).
- Why do my numbers differ slightly?
- Density changes with how the flax seeds is packed, sifted or measured. For precise baking, weigh with a scale instead of using cups.
- How many grams is ⅓ cup of flax seeds?
- About 50 g (150 ÷ 3).
- How much is 80g of flax seeds in cups?
- About ½ cup (80 ÷ 150 = 0.53 cup).
- How many grams is ¼ cup of flax seeds?
- About 38 g (150 ÷ 4).
- Are whole and ground flax the same weight per cup?
- No. Whole seeds pack tighter at about 150 g per cup; once ground, flax meal is fluffier at about 112 g per cup.