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# Why do ingredient amounts show as decimals while I’m editing?

| **Quick answer:** Edit mode always stores numbers as decimals so CookBook can do fast math for scaling and conversions. Once you **tap Save**, the recipe switches back to your preferred display - fractions or decimals, based on the setting you chose in **Settings → Conversions → Quantity display**.

# What’s happening under the hood

CookBook converts every fraction (e.g., ¾ cup) to a decimal (0.75) so it can handle serving-size scaling and conversions.

**After you save,** CookBook formats the number shown to the style selected in **Settings.**

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# How to change your preferred format

1. Tap **Side menu ☰ → Settings**.
2. Under **Conversions** **→** **Quantity display** choose **Fractions** or **Decimals**.
3. Return to any saved recipe - amounts now display in the style you picked.