135g of light brown sugar is about 3/4 cup packed. The exact amount can vary a little by how tightly it’s packed, but 135g is commonly listed as 3/4 cup for brown sugar.

Quick note

  • If you’re measuring loosely, it may look slightly under 3/4 cup.
  • If the recipe means packed brown sugar, press it into the cup firmly for the best match.

Handy conversion

Amount| Cups
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135g light brown sugar| about 3/4 cup packed

For baking, packed is usually the safest way to measure brown sugar.