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+# Pixel Conversion
+
+### Introduction
+
+Learn the basic knowledge of pixel units and how to use pixel conversion APIs.
+
+![](screenshots/device/conversion.en.gif)
+
+### Concepts
+
+- Pixel units: The framework provides four pixel units, with vp as the benchmark unit.
+- List: a component that provides a series of list items with the same width. It supports presentations of the same type of data in a multiple and coherent row style, for example, images or text.
+- Column: a container that arranges components vertically.
+- Text: a component that is used to display a piece of text.
+
+### Permissions
+
+N/A
+
+### How to Use
+
+1. View the concept and details of pixel units.
+2. Refer to the documentation for using the pixel conversion APIs.
+
+### Constraints
+
+1. The sample is only supported on Huawei phones with standard systems.
+2. HarmonyOS: HarmonyOS NEXT Developer Beta1 or later.
+3. DevEco Studio: DevEco Studio NEXT Developer Beta1 or later.
+4. HarmonyOS SDK: HarmonyOS NEXT Developer Beta1 SDK or later.
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