How to measure molasses
How full the cup is and how firmly it is packed changes what it holds, so the same cup can weigh a little more or less in your kitchen. A scale gives the same result every time; the chart below converts any amount.
Source: 337 grams per US cup is the cup weight in USDA FoodData Central, entry “USDA FDC 168820 SR Legacy, Molasses, 1 cup = 337 g”. A US cup is about 237 milliliters.
Molasses: cups to grams chart
| Cups | Grams | Ounces |
|---|---|---|
| 1/8 cup | 42 g | 1.49 oz |
| 1/4 cup | 84 g | 2.97 oz |
| 1/3 cup | 112 g | 3.96 oz |
| 1/2 cup | 169 g | 5.94 oz |
| 2/3 cup | 225 g | 7.92 oz |
| 3/4 cup | 253 g | 8.92 oz |
| 1 cup | 337 g | 11.9 oz |
| 1 1/2 cups | 506 g | 17.8 oz |
| 2 cups | 674 g | 23.8 oz |
| 3 cups | 1,011 g | 35.7 oz |
| 4 cups | 1,348 g | 47.5 oz |
Tablespoons and teaspoons of molasses
Three teaspoons make a tablespoon and 16 tablespoons make a cup, so the spoon weights follow straight from the 337 grams per cup. Use level spoons, not heaped ones.
| Spoons | Grams |
|---|---|
| 1/4 tsp | 1.8 g |
| 1/2 tsp | 3.5 g |
| 1 tsp | 7 g |
| 1 tbsp | 21 g |
| 2 tbsp | 42 g |
| 3 tbsp | 63 g |
| 4 tbsp | 84 g |
Grams of molasses to cups
Going the other way, divide the grams by 337. A cup of molasses weighs 100 grams more than a cup of water, which is 237 grams.
| Grams | Cups | In the kitchen |
|---|---|---|
| 25 g | 0.07 cup | about 1.2 tbsp |
| 50 g | 0.15 cup | about 2.4 tbsp |
| 100 g | 0.3 cup | just under 1/3 cup |
| 150 g | 0.45 cup | just under 1/2 cup |
| 200 g | 0.59 cup | just under 5/8 cup |
| 250 g | 0.74 cup | about 3/4 cup |
| 300 g | 0.89 cup | just over 7/8 cup |
| 400 g | 1.19 cups | just over 1 1/8 cups |
| 500 g | 1.48 cups | just under 1 1/2 cups |
| 1,000 g | 2.97 cups | just under 3 cups |
Other sugars per cup
- Granulated sugar: 198 grams per cup
- Brown sugar (packed): 213 grams per cup
- Powdered sugar: 113 grams per cup
- Superfine (caster) sugar: 190 grams per cup
- Coconut sugar: 154 grams per cup
- Turbinado sugar: 180 grams per cup
- Demerara sugar: 220 grams per cup
- Light corn syrup: 341 grams per cup
- Agave syrup: 336 grams per cup
For every ingredient in one place, open the cups to grams converter. The recipe scaler halves or doubles a recipe, sugar included, and the oven temperature converter translates Celsius and gas marks for bakes from abroad.
Frequently asked questions
How many grams is 1/2 cup of molasses?
About 169 grams. A full cup is about 337 grams and 1/4 cup about 84 grams.
How many cups is 100 grams of molasses?
About 0.30 cups, just under 1/3 cup. Divide the grams by 337 to get cups.
How many grams are in a tablespoon of molasses?
About 21 grams in a tablespoon and 7 grams in a teaspoon, measured level.
Where does 337 grams per cup of molasses come from?
From USDA FoodData Central, which gives 1 cup = 337 g.