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How many grams is a cup of molasses?

1 cup of molasses weighs 340 grams (11.99 oz), according to King Arthur Baking — Ingredient Weight Chart.

Molasses: cups to grams

AmountGramsOunces
1/4 cup85 g3.0 oz
1/3 cup113 g4.0 oz
1/2 cup170 g6.0 oz
2/3 cup227 g8.0 oz
3/4 cup255 g9.0 oz
1 cup340 g12.0 oz
1 tablespoon21 g0.75 oz
1 teaspoon7.1 g0.25 oz

US cup = 236.6 ml. Measured level.

FAQ

How many grams is 1/2 cup of molasses?

1/2 cup of molasses is about 170 grams, based on 340 g per US cup (King Arthur Baking — Ingredient Weight Chart).

How many grams is 1/4 cup of molasses?

1/4 cup of molasses is about 85 grams.

How many ounces is a cup of molasses?

A US cup of molasses weighs about 12.0 oz (340 g).

Why weigh instead of using cups?

Cups measure volume, so how you fill them changes how much you get. A kitchen scale gives the same amount every time, which is why bakers weigh.

Source: King Arthur Baking — Ingredient Weight Chart (340 g per US cup). Other amounts are calculated from that figure.