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Sugars & Syrups

Convert millilitres of molasses to grams

One millilitre of molasses weighs about 1.39 g, and half a millilitre comes to roughly 0.693 g. Enter any amount below to convert it, or use the chart further down as a quick reference while you cook.

1 ml of molasses =

1.39 g

oz
0.049
kg
0.0014
lb
0.0031

Molasses: 328 g per US cup · USDA FoodData Central. Blackstrap molasses is slightly denser than light molasses. Warm the jar for a cleaner pour.

Full molasses chart →

Molasses at a glance

Every number on this page comes from a single figure: 328 grams per US cup (USDA FoodData Central).

1 cup
328 g
1 tablespoon
20.5 g
1 teaspoon
6.83 g
1 cup in ounces
11.6 oz
100 g in cups
0.305 cups
Density
1.39 g/ml

millilitres to grams chart for molasses

Print it, screenshot it, or bookmark this page — these are the amounts recipes ask for most often.

Molasses — measured by volume
MillilitresGramsOunces (weight)Pounds
15 ml20.8 g0.734 oz0.046 lb
30 ml41.6 g1.47 oz0.092 lb
50 ml69.3 g2.45 oz0.153 lb
60 ml83.2 g2.93 oz0.183 lb
100 ml139 g4.89 oz0.306 lb
120 ml166 g5.87 oz0.367 lb
150 ml208 g7.34 oz0.458 lb
200 ml277 g9.78 oz0.611 lb
240 ml333 g11.7 oz0.734 lb
500 ml693 g24.5 oz1.53 lb

How this conversion is calculated

Volume-to-weight conversions are only as good as the density behind them. We treat molasses as 328 g per US customary cup, which works out to 1.386 g/ml. From there:

  1. Your millilitres figure is converted into millilitres or grams using standard unit sizes (ml = 1 ml).
  2. The density above bridges volume and weight in whichever direction you need.
  3. The result is rounded the way a cook would round it — to the nearest gram, or to a usable fraction such as 1/3 cups.

Measuring molasses accurately

Blackstrap molasses is slightly denser than light molasses. Warm the jar for a cleaner pour.

If a recipe matters to you — bread, macarons, anything with a tight hydration or ratio — weigh it. A £10 digital scale removes the single largest source of variation in home baking, and it is faster than washing three measuring cups.

When cups are fine

  • Liquids measured in a proper jug, where volume is the honest unit anyway.
  • Forgiving savoury cooking: soups, stews, stir-fries, marinades.
  • Small amounts of leaveners and spices, as long as you use level spoons.

Frequently asked questions

How many grams are in 1 millilitre of molasses?

1 millilitre of molasses is 1.39 g. This is based on a density of 328 g per US cup.

How many grams are in 2 millilitres of molasses?

2 millilitres of molasses is 2.77 g, and 0.693 g for half a millilitre.

How much is 100 g of molasses in cups?

100 g of molasses is about 1/3 cups. Weight is always the more reliable measurement, so use a scale when the recipe gives grams.

Why do other sites give a different number for molasses?

Blackstrap molasses is slightly denser than light molasses. Warm the jar for a cleaner pour.

Do UK and Australian cups give the same result?

No. A US customary cup is 236.6 ml, a metric cup used in Australia and New Zealand is 250 ml, and an old UK imperial cup is 284 ml. Our default is the US cup, but you can pick metric cups in the converter.

Same conversion, other sugars & syrups