Cups of dry couscous to pounds runs on one number, 0.37478585 pounds per cup. It is a measured property of this ingredient rather than a defined conversion, which is why a generic volume-to-weight tool cannot give you it.
Water is the yardstick: 1 mL of it weighs 1 g. Dry couscous comes in at 0.71855 g per mL, or 71.85% of water, which is why a cup of it is 170 g rather than 236.6 g. Volume and weight only line up for water, and only in metric.
A cup of dry couscous is 170 g when it is measured the standard way, but how it gets into the cup changes the answer: between about 153 g and 204 g covers the range from lightly spooned to firmly packed. That 20% spread is larger than most of the adjustments recipes fuss over, and it disappears entirely the moment the ingredient is weighed instead.
Pounds are how dry couscous is bought rather than cooked, so this is the bag-size arithmetic: one pound is 2.668 cups, a 2 lb pack is 5.336 cups and a 5 lb sack is 13.34. That last figure is the one worth knowing before a large bake — it tells you whether one bag covers the recipe.
What the number depends on: Before steaming. It roughly triples in volume once hydrated, which is why the dry weight is the useful one.
The formula
cups- The amount of dry couscous you are converting, in cups
0.374785845714- Pounds per cup for dry couscous, from its density of 0.71855 g/mL
pounds- The equivalent quantity in pounds
How it works, step by step
- Enter the quantity in cups.
- It is multiplied by 0.374785845714, the pounds-per-cup figure for dry couscous.
- The result appears in pounds, with a second reading in g beneath it.
- Use the measure table if you want a standard recipe quantity rather than a number you type in.
Worked examples
1/3 cup of dry couscous in pounds
1/3 cup of dry couscous weighs out at 0.124929 pounds. Divide 0.124929 by 0.37478585 and you get back to 1/3 cup, which is the quickest check that the factor is the right way up.
3/4 cup of dry couscous in pounds
3/4 cup of dry couscous weighs out at 0.281089 pounds. Divide 0.281089 by 0.37478585 and you get back to 3/4 cup, which is the quickest check that the factor is the right way up.
3 cup of dry couscous in pounds
3 cup of dry couscous weighs out at 1.12436 pounds. Divide 1.12436 by 0.37478585 and you get back to 3 cup, which is the quickest check that the factor is the right way up.
How to read your score
Frequently asked questions
How many pounds are in 1 cup of dry couscous?
One cup of dry couscous is 0.37478585 pounds. Half that quantity is 0.187393 pounds and double it is 0.749572 pounds, so the figure scales straight up and down — there is no offset in this conversion, only the factor.
Why is a cup of dry couscous not 236 g like water?
Because weight per cup depends on what is in the cup. Dry couscous has a density of 0.71855 g per mL where water has 1.00, so a cup of it weighs 170 g rather than 236.6 g. That is a difference of 66.6 g per cup, and it is the reason a single volume-to-weight factor cannot be applied to every ingredient.
Does how I measure it change the weight?
Yes, and by more than most people expect. Handling changes the weight of a cup of dry couscous by roughly 20% — about 17 g either side of 170 g — because before steaming. Weighing removes the question entirely.
Is a fluid ounce of dry couscous the same as an ounce?
No. A fluid ounce is a volume — one eighth of a US cup, 29.57 mL — and an ounce is a weight. One fluid ounce of dry couscous weighs 0.7496 oz, so the two readings differ by 25%. They coincide only for something with the density of water, and then only roughly.
Is this a US cup or a metric cup?
US customary: 236.59 mL, which is the cup every US recipe means. A metric cup is 250 mL, so the same cup of dry couscous would weigh 179.64 g instead of 170 g — 9.64 g more, or 5.67%. Australian and some European recipes use the metric cup, and the difference is large enough to matter in baking.
Do I need a scale for this, or will measuring cups do?
A scale, if the result matters. Volume measuring carries a spread of about 20% for dry couscous — roughly 34 g on a 170 g cup — while a domestic scale is accurate to a gram or two. For anything where the ratio of ingredients drives the outcome, bread and pastry above all, weigh it.
How many cups of dry couscous is 1 lb?
1 lb of dry couscous is 2.6682 cups — 2.66819 cups to one pound, so 1 × 2.66819 = 2.6682. Going that way is a division by 0.374786, or a multiplication by 2.66819 if you prefer.
Dry couscous in cups and pounds
| Cups | Pounds | Unrounded |
|---|---|---|
| 1/8 cup | 0.0468482 lb | 0.04684823071 |
| 1/4 cup | 0.0936965 lb | 0.09369646143 |
| 1/3 cup | 0.124929 lb | 0.1249286152 |
| 1/2 cup | 0.187393 lb | 0.1873929229 |
| 2/3 cup | 0.249857 lb | 0.2498572305 |
| 3/4 cup | 0.281089 lb | 0.2810893843 |
| 1 cup | 0.374786 lb | 0.3747858457 |
| 1 1/2 cup | 0.562179 lb | 0.5621787686 |
| 2 cup | 0.749572 lb | 0.7495716914 |
| 3 cup | 1.12436 lb | 1.124357537 |
| 4 cup | 1.49914 lb | 1.499143383 |
Based on 170 g per cup of dry couscous. One cup of dry couscous is 0.37478585 pounds.
| Measure | Grams | Ounces | Millilitres |
|---|---|---|---|
| 1 cup | 170 g | 6 oz | 236.6 mL |
| 3/4 cup | 127.5 g | 4.5 oz | 177.4 mL |
| 2/3 cup | 113.3 g | 4 oz | 157.7 mL |
| 1/2 cup | 85 g | 3 oz | 118.3 mL |
| 1/3 cup | 56.67 g | 2 oz | 78.86 mL |
| 1/4 cup | 42.5 g | 1.5 oz | 59.15 mL |
| 1 tbsp | 10.62 g | 0.375 oz | 14.79 mL |
| 1 tsp | 3.542 g | 0.125 oz | 4.929 mL |
US customary measures: 1 cup = 236.59 mL, 1 tbsp = 14.79 mL, 1 tsp = 4.93 mL.
| Ingredient | Grams per cup | Ounces per cup | Density (g/mL) |
|---|---|---|---|
| Steel-cut oats | 160 g | 5.644 oz | 0.6763 |
| Semolina | 167 g | 5.891 oz | 0.7059 |
| Uncooked quinoa | 170 g | 5.997 oz | 0.7185 |
| Dry couscous (this page) | 170 g | 5.997 oz | 0.7185 |
| Uncooked white rice | 185 g | 6.526 oz | 0.7819 |
| Uncooked brown rice | 190 g | 6.702 oz | 0.8031 |
| Dried lentils | 192 g | 6.773 oz | 0.8115 |
Ordered by weight. The spread across this group is why a single generic cups-to-grams factor cannot work.