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1 Cup Cornstarch in Grams — Conversion Guide

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1 cup cornstarch = 128g (4.5 oz)

1/2 cup = 64g | 1/3 cup = 43g | 1/4 cup = 32g

Overview

1 cup of cornstarch equals 128 grams (4.5 oz). Quick and accurate conversion for cooking and baking recipes.

Key Details

  • 1 cup cornstarch = 128g (4.5 oz)
  • 1/2 cup = 64g | 1/3 cup = 43g | 1/4 cup = 32g
  • Sifted: 1 cup = 120g (lighter)
  • Packed: 1 cup = 140g (denser)
  • Density: 0.53 g/ml

Why This Matters

  • Cornstarch is a commonly measured ingredient in recipes
  • US recipes use cups while most countries use grams
  • Weight measurements are more accurate than volume
  • Density of cornstarch affects cup-to-gram conversion

How To

  1. 1Use a kitchen scale for the most accurate measurement
  2. 2If using cups, spoon ingredient into cup and level off
  3. 3Don't pack unless the recipe specifies "packed"
  4. 4For baking, weighing ingredients gives more consistent results
  5. 5Different brands may vary slightly in density

Tags

unit-conversionsweightcornstarchcups-to-gramsbaking

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Frequently Asked Questions

1 cup of cornstarch equals 128 grams (4.5 oz).