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1 cup of brown sugar (packed) = 213 grams (about 13 g per tablespoon). That is the King Arthur Baking — Ingredient Weight Chart weight — the standard US baking reference. Enter cups below for grams, or use the grams-to-cups table further down the page to go the other way.
Cups to Grams — Brown Sugar (packed)
Cooking Converter · weights from the King Arthur Baking ingredient chart (approximate — see the note below the converter)
1 cups of brown sugar (packed) = 213 g
1 cups × 213 g per cup = 213 g
The chart value is for brown sugar packed firmly into the cup, the way recipes intend. Loosely filled, the same cup weighs noticeably less. Every row below is the same calculation — cups × 213 g per cup — so the table and the converter can never disagree.
| Cups | Grams |
|---|---|
| ¼ cup | 53 g |
| ⅓ cup | 71 g |
| ½ cup | 107 g |
| ⅔ cup | 142 g |
| ¾ cup | 160 g |
| 1 cup | 213 g |
| 1½ cups | 320 g |
| 2 cups | 426 g |
| 3 cups | 639 g |
| 4 cups | 852 g |
Going the other way — a metric recipe weighed out, an American one to fill — divide grams by 213 g per cup:
| Grams | Cups |
|---|---|
| 50 g | 0.23 cups |
| 100 g | 0.47 cups |
| 125 g | 0.59 cups |
| 150 g | 0.7 cups |
| 200 g | 0.94 cups |
| 250 g | 1.17 cups |
| 300 g | 1.41 cups |
| 400 g | 1.88 cups |
| 500 g | 2.35 cups |
Cup weights come from the King Arthur Baking — Ingredient Weight Chart, the standard reference US bakers use. A cup is a volume, so the weight you actually get depends on how you fill it — scooping flour straight from the bag packs in more than spooning it in and levelling it off, and sifted flour weighs less still. Treat these figures as the chart standard, and weigh with a scale when a recipe is fussy.
If your recipe stays in volumes, these converters handle the metric side — a US cup is about 237 ml, a tablespoon about 15 ml:
1 cup of brown sugar (packed) weighs 213 grams on the King Arthur Baking Ingredient Weight Chart. Cup weights are approximate — how you fill the cup (scooped, spooned, sifted, packed) moves the real weight, which is why weighing is more reliable than measuring by volume.
½ cup of brown sugar (packed) weighs 107 grams — exactly half the 213 g chart weight for a full cup.
250 grams of brown sugar (packed) is about 1.17 cups (250 g ÷ 213 g per cup). Use the converter above for any other amount.
Because a cup measures volume, not weight, every chart has to assume a filling method. The chart value is for brown sugar packed firmly into the cup, the way recipes intend. Loosely filled, the same cup weighs noticeably less. This page uses the King Arthur Baking chart throughout, so its tables and converter always agree with each other.
Need the opposite direction? Use the gram to cup Converter to convert gram back to cup.
Browse every tool in this category on the Cooking Converter hub page.