Cornstarch Grams to Cups Converter

Summary

Enter grams of cornstarch and instantly get the equivalent in US cups — or flip to convert cups back to grams.

How it works

1. Select a conversion direction: grams to cups, or cups to grams.
2. Enter the amount you want to convert in the input field.
3. The tool divides by 120 (grams mode) or multiplies by 120 (cups mode) to produce the result.
4. Use the quick-select buttons to jump to common recipe amounts instantly.
5. Scroll down to the reference table for a full list of common cornstarch equivalents.

Use cases

• Convert a gram weight from a kitchen scale into the cup amount a recipe requires.
• Scale cornstarch quantities up or down when halving or doubling a recipe.
• Cross-check a US recipe measurement against a metric weight for accuracy.
• Verify thickening ratios when adapting sauces and gravies to gram-based cooking.
• Help cooking students understand the relationship between volume and weight.
• Quickly look up common amounts in the reference table without doing mental math.

Frequently Asked Questions