Molasses: How Many Grams in a Cup?

Molasses is dense, dark, and chemically acidic (vital for activating baking soda in gingerbread). Due to its extreme viscosity, accurate volumetric measurement is nearly impossible: the meniscus is unreadable, and it sticks stubbornly to utensils. Weighing is mandatory to prevent bitter or dry baked goods.

Quick convert

  • US cup = 236.588 mL
  • 1 tbsp = 14.787 mL
  • 1 tsp = 4.929 mL

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Based on the measured density of Molasses (1.38 g/mL). Values rounded; real weight varies by brand, packing and temperature. Full sources in the tool on ChefSolver.

Reference table

Molasses — cups to grams
Cupsg
1/8 cup41
1/4 cup82
1/3 cup109
1/2 cup163
2/3 cup218
3/4 cup245
1 cup326
1 1/2 cups490
2 cups653

FAQ

Blackstrap vs. Regular Molasses?
Critical distinction. Blackstrap is much more concentrated, less sweet, and more bitter. Do not swap them 1:1 unless you want a very intense, savory flavor profile.

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