Flax Seeds (ground): Grams to Cups
1 cup of flax seeds (ground) = 100 grams
One US cup of flax seeds (ground) weighs 100 grams. One 250 ml metric cup — the one used in the UK, Australia, New Zealand and Canada — holds 106 grams. To convert any weight, divide the grams by the figure for your cup.
Ground flaxseed (flax meal) weighs about 100 g per cup (King Arthur Baking: 50 g per ½ cup). A "flax egg" is 1 tablespoon (about 7 g) mixed with 3 tablespoons of water.
Where the 100 g figure comes from
- King Arthur Baking ingredient weight chart: Flax meal, 1/2 cup = 50 g (about 100 g per cup) (chart)
This site uses 100 g per US cup of flax seeds (ground), spooned and levelled. References checked September 2026.
How many cups is X grams of flax seeds (ground)?
| Grams | US cups | Metric cups | Tablespoons | Ounces |
|---|---|---|---|---|
| 25 g flax seeds (ground) | ¼ | ¼ | 4 | 0.88 |
| 50 g flax seeds (ground) | ½ | ½ | 8 | 1.76 |
| 75 g flax seeds (ground) | ¾ | ¾ | 12 | 2.65 |
| 100 g flax seeds (ground) | 1 | 0.95 | 16 | 3.53 |
| 110 g flax seeds (ground) | 1⅛ | 1.04 | 17.6 | 3.88 |
| 120 g flax seeds (ground) | 1¼ | 1⅛ | 19.2 | 4.23 |
| 125 g flax seeds (ground) | 1¼ | 1⅛ | 20 | 4.41 |
| 130 g flax seeds (ground) | 1⅓ | 1¼ | 20.8 | 4.59 |
| 140 g flax seeds (ground) | 1⅜ | 1⅓ | 22.4 | 4.94 |
| 150 g flax seeds (ground) | 1½ | 1⅜ | 24 | 5.29 |
| 170 g flax seeds (ground) | 1⅔ | 1⅝ | 27.2 | 6.00 |
| 175 g flax seeds (ground) | 1¾ | 1⅔ | 28 | 6.17 |
| 200 g flax seeds (ground) | 2 | 1⅞ | 32 | 7.05 |
| 225 g flax seeds (ground) | 2¼ | 2⅛ | 36 | 7.94 |
| 240 g flax seeds (ground) | 2⅜ | 2¼ | 38.4 | 8.47 |
| 250 g flax seeds (ground) | 2½ | 2⅜ | 40 | 8.82 |
| 275 g flax seeds (ground) | 2¾ | 2⅝ | 44 | 9.70 |
| 300 g flax seeds (ground) | 3 | 2⅞ | 48 | 10.58 |
| 350 g flax seeds (ground) | 3½ | 3⅓ | 56 | 12.35 |
| 400 g flax seeds (ground) | 4 | 3¾ | 64 | 14.11 |
| 450 g flax seeds (ground) | 4½ | 4¼ | 72 | 15.87 |
| 500 g flax seeds (ground) | 5 | 4¾ | 80 | 17.64 |
Cups to grams: how many grams in ½ cup, ¼ cup or 1 cup of flax seeds (ground)?
| Cups | Grams (US cup) | Grams (250 ml metric cup) |
|---|---|---|
| ⅛ cup flax seeds (ground) | 13 g | 13 g |
| ¼ cup flax seeds (ground) | 25 g | 26 g |
| ⅓ cup flax seeds (ground) | 33 g | 35 g |
| ½ cup flax seeds (ground) | 50 g | 53 g |
| ⅔ cup flax seeds (ground) | 67 g | 70 g |
| ¾ cup flax seeds (ground) | 75 g | 79 g |
| 1 cup flax seeds (ground) | 100 g | 106 g |
| 1¼ cups flax seeds (ground) | 125 g | 132 g |
| 1⅓ cups flax seeds (ground) | 133 g | 141 g |
| 1½ cups flax seeds (ground) | 150 g | 159 g |
| 2 cups flax seeds (ground) | 200 g | 211 g |
| 3 cups flax seeds (ground) | 300 g | 317 g |
How to measure flax seeds (ground) accurately
The 100 g figure assumes the spooned-and-levelled method: spoon the flax seeds (ground) into a dry measuring cup and sweep the top flat with a straight edge. Scooping the cup through the bag compacts it and gives a heavier cup.
- 1 US cup of flax seeds (ground) = 100 g
- 1 metric cup (250 ml) of flax seeds (ground) = 106 g
- ¾ cup = 75 g
- ½ cup = 50 g
- ⅓ cup = 33 g
- ¼ cup = 25 g
- 1 tablespoon = 6.3 g
Frequently asked questions
How many cups is 100 grams of flax seeds (ground)?
100 grams of flax seeds (ground) is about 1 US cups, based on 100 g per cup, or 0.95 metric cups.
How many grams in a cup of flax seeds (ground)?
One US cup of flax seeds (ground) weighs 100 grams. A 250 ml metric cup holds 106 grams.
How many grams is ½ cup of flax seeds (ground)?
½ US cup of flax seeds (ground) weighs about 50 g; ¼ cup about 25 g and ¾ cup about 75 g.
How many cups is 250 grams of flax seeds (ground)?
250 grams of flax seeds (ground) is about 2½ US cups, or 2⅜ metric cups.
Does a UK cup of flax seeds (ground) weigh the same as a US cup?
No. A UK, Australian or Canadian metric cup is 250 ml against the US 236.6 ml, so it holds about 5.7% more — 106 g of flax seeds (ground) rather than 100 g.
How many tablespoons is 100 grams of flax seeds (ground)?
100 grams of flax seeds (ground) is about 16 tablespoons.
More nuts and seeds conversions: Flax Seeds (whole) grams to cups.