Sugar Grams to Cups Converter

Enter grams of sugar, pick the sugar type, and instantly get the equivalent US cup measurement.

Convert Grams to Cups

Density Reference

Sugar type g / cup
Granulated white200 g
Powdered / confectioners120 g
Light brown, packed220 g
Dark brown, packed220 g

Tip: Brown sugar is always measured packed. Spoon it firmly into the cup until it holds the shape of the cup when turned out. Powdered sugar should be spooned in lightly — do not pack or sift unless the recipe specifies.

Quick-Reference Table

Cups for common gram amounts, by sugar type.

Grams Granulated Powdered Brown (packed)

Summary

Enter grams of sugar, pick the sugar type, and instantly get the equivalent US cup measurement.

How it works

  1. Enter the weight in grams of sugar you need to convert.
  2. Select the sugar type from the dropdown (granulated, powdered, light brown, or dark brown).
  3. The converter instantly calculates and displays the equivalent US cup measurement.
  4. Fractional cups are shown both as a decimal and as the nearest common kitchen fraction.
  5. Scroll down to the reference table for pre-calculated values at popular gram amounts.

Use cases

Frequently Asked Questions

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Last updated: 2026-05-29 · Reviewed by Nham Vu