Pecans (halves): Grams to Cups
1 cup of pecans (halves) = 99 grams
One US cup of pecans (halves) weighs 99 grams. One 250 ml metric cup — the one used in the UK, Australia, New Zealand and Canada — holds 105 grams. To convert any weight, divide the grams by the figure for your cup.
Pecan halves weigh about 99 g per cup (USDA FoodData Central); King Arthur Baking lists whole pecans at 105 g. Chopped pecans pack tighter at about 109 g per cup (USDA).
Where the 99 g figure comes from
- USDA FoodData Central: 1 cup, halves of “Nuts, pecans” = 99 g (FDC ID 170182)
- King Arthur Baking ingredient weight chart: Pecans (whole), 1 cup = 105 g (chart)
This site uses 99 g per US cup of pecans (halves), spooned and levelled. References checked September 2026.
How many cups is X grams of pecans (halves)?
| Grams | US cups | Metric cups | Tablespoons | Ounces |
|---|---|---|---|---|
| 25 g pecans (halves) | ¼ | ¼ | 4.04 | 0.88 |
| 50 g pecans (halves) | ½ | ½ | 8.08 | 1.76 |
| 75 g pecans (halves) | ¾ | ¾ | 12.12 | 2.65 |
| 100 g pecans (halves) | 1 | 0.96 | 16.16 | 3.53 |
| 110 g pecans (halves) | 1⅛ | 1.05 | 17.78 | 3.88 |
| 120 g pecans (halves) | 1¼ | 1⅛ | 19.39 | 4.23 |
| 125 g pecans (halves) | 1¼ | 1¼ | 20.2 | 4.41 |
| 130 g pecans (halves) | 1⅓ | 1¼ | 21.01 | 4.59 |
| 140 g pecans (halves) | 1⅜ | 1⅓ | 22.63 | 4.94 |
| 150 g pecans (halves) | 1½ | 1⅜ | 24.24 | 5.29 |
| 170 g pecans (halves) | 1¾ | 1⅝ | 27.47 | 6.00 |
| 175 g pecans (halves) | 1¾ | 1⅔ | 28.28 | 6.17 |
| 200 g pecans (halves) | 2 | 1⅞ | 32.32 | 7.05 |
| 225 g pecans (halves) | 2¼ | 2⅛ | 36.36 | 7.94 |
| 240 g pecans (halves) | 2⅜ | 2⅓ | 38.79 | 8.47 |
| 250 g pecans (halves) | 2½ | 2⅜ | 40.4 | 8.82 |
| 275 g pecans (halves) | 2¾ | 2⅝ | 44.44 | 9.70 |
| 300 g pecans (halves) | 3 | 2⅞ | 48.48 | 10.58 |
| 350 g pecans (halves) | 3½ | 3⅓ | 56.57 | 12.35 |
| 400 g pecans (halves) | 4.04 | 3⅞ | 64.65 | 14.11 |
| 450 g pecans (halves) | 4½ | 4⅓ | 72.73 | 15.87 |
| 500 g pecans (halves) | 5.05 | 4¾ | 80.81 | 17.64 |
How to measure pecans (halves) accurately
The 99 g figure assumes the spooned-and-levelled method: spoon the pecans (halves) 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 pecans (halves) = 99 g
- 1 metric cup (250 ml) of pecans (halves) = 105 g
- ¾ cup = 74 g
- ½ cup = 50 g
- ⅓ cup = 33 g
- ¼ cup = 25 g
- 1 tablespoon = 6.2 g
Frequently asked questions
How many cups is 100 grams of pecans (halves)?
100 grams of pecans (halves) is about 1 US cups, based on 99 g per cup, or 0.96 metric cups.
How many grams in a cup of pecans (halves)?
One US cup of pecans (halves) weighs 99 grams. A 250 ml metric cup holds 105 grams.
How many cups is 250 grams of pecans (halves)?
250 grams of pecans (halves) is about 2½ US cups, or 2⅜ metric cups.
Does a UK cup of pecans (halves) 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 — 105 g of pecans (halves) rather than 99 g.
How many tablespoons is 100 grams of pecans (halves)?
100 grams of pecans (halves) is about 16.16 tablespoons.