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Molasses: cups to grams

1 cup of molasses weighs 340 grams 11.99 oz · 1/2 cup = 170 g · 1 tbsp = 21 g

Use the converter to change any amount of molasses between cups, grams, ounces and spoons, or jump to the charts below. Weights are for a standard US cup (236.6 ml).

1 cup molasses = 340 g
11.99 ozounces
16tablespoons
237 mlvolume

Molasses: cups to grams

CupsGramsOunces
1/8 cup43 g1.5 oz
1/4 cup85 g3 oz
1/3 cup113 g4 oz
1/2 cup170 g6 oz
2/3 cup227 g8 oz
3/4 cup255 g8.99 oz
1 cup340 g11.99 oz
1 1/4 cups425 g14.99 oz
1 1/2 cups510 g17.99 oz
2 cups680 g23.99 oz
2 1/2 cups850 g29.98 oz
3 cups1,020 g35.98 oz
4 cups1,360 g47.97 oz

Molasses: grams to cups

GramsCupsHow to measure it
10 g0.03 cups1.5 tsp
25 g0.07 cups1 tbsp
50 g0.15 cups2 1/2 tbsp
75 g0.22 cups3 1/2 tbsp
100 g0.29 cups1/4 cup + 1 1/2 tsp
125 g0.37 cups1/3 cup + 1 1/2 tsp
150 g0.44 cups1/3 cup + 1 1/2 tbsp
200 g0.59 cups1/2 cup + 1 1/2 tbsp
250 g0.74 cups3/4 cup
300 g0.88 cups3/4 cup + 2 tbsp
400 g1.18 cups1 cup + 3 tbsp
500 g1.47 cups1 1/2 cups
750 g2.21 cups2 cups + 3 1/2 tbsp
1000 g2.94 cups2 3/4 cups + 3 tbsp

Tablespoons and teaspoons of molasses

21 g1 tablespoon
7.1 g1 teaspoon
4.7 tbspin 100 g
0.14 tspin 1 g

How to measure molasses accurately

Granulated and powdered sugar are spooned and leveled. Brown sugar is packed firmly into the cup unless the recipe says otherwise.

For the most reliable result, weigh molasses on a digital kitchen scale: 340 g for every cup the recipe asks for.

Compare with similar ingredients

Ingredient1 cup1/2 cup100 g in cups
Molasses340 g170 g0.29
Granulated sugar198 g99 g0.51
Brown sugar (packed)213 g107 g0.47
Powdered sugar113 g57 g0.88
Honey336 g168 g0.3
Maple syrup312 g156 g0.32
Corn syrup312 g156 g0.32

Molasses conversion FAQ

How many grams is 1 cup of molasses?

1 cup of molasses weighs 340 grams (11.99 oz), using a standard US cup of 236.6 ml.

How many grams is 1/2 cup of molasses?

1/2 cup of molasses is 170 grams.

How many cups is 100 grams of molasses?

100 grams of molasses is 0.29 cups, which you can measure as 1/4 cup + 1 1/2 tsp.

How many grams is 1 tablespoon of molasses?

1 tablespoon of molasses weighs about 21 grams, and 1 teaspoon about 7.1 grams.

Why doesn’t a cup of molasses weigh the same as a cup of water?

A cup measures volume, not weight. Water weighs about 237 g per cup, but molasses has a different density, so the same cup holds 340 g. That is why weighing gives more reliable results than cups.

Other amounts in grams

Source: King Arthur Baking ingredient weight chart. Last checked September 2026. Weights vary slightly by brand and how the cup is filled.