What 是 my screen resolution?
Find your screen resolution 和 your browser window size、第 with the device pixel ratio, colour dep 次、orientation. The 数字 update as you resize the window.
Nothing 至 enter. Resize the window 或 rotate your device 和 the 数字 update.
关于What 是 my screen resolution?
Find your screen resolution 和 your browser window size、第 with the device pixel ratio, colour dep 次、orientation. The 数字 update as you resize the window.
属于 SmartCalcy“数据与网络”板块。它在你的浏览器中运行，无需账号，使用你自己的货币和单位（可在页面顶部更改），所给结果仅为估算、仅供参考，因此在依赖结果之前请查阅官方指引。
如何使用What 是 my screen resolution?
它计算什么，何时使用
Shows your screen resolution 和 your browser window size、with the device pixel 比, colour 深度, available screen 面积、orientation. The numbers update as you resize the window 或 rotate the device.
使用步骤
- Open the page. 无 needs 至 be entered.
- Read the resolution 以 the top 和 the physical pixel 数量 below it.
- Resize the window 或 rotate your phone 至 see the window size change.
- Press “复制 结果” 至 share the 个数字.
各输入项的含义
- 无 至 enter – 数值 are read 从 your browser.
如何阅读结果
- Screen resolution – 宽度 和 CSS pixels. 的 height
- Physical pixels – CSS pixels multiplied by the pixel 比.
- Browser window – The 大小 the page 面积 right now.
- Pixel 比, colour 深度, orientation – Extra display 详情 your browser reports.
公式
Physical pixels = CSS pixels × device pixel ratio. A phone reporting 390 × 844 at a ratio 3 has 1,170 × 2,532 physical pixels. Aspect ratio 是 第 the wid 次 和 高度 divided by their greatest common divisor.
计算示例
A laptop reports 1440 × 900 with a 比 2, so the panel has 2,880 × 1,800 physical pixels.
假设与局限
- Zoom 和 operating-system scaling change the reported 个数字.
- On multiple monitors the value 是件the screen the window 是 on.
常见错误
- Reading the CSS resolution as the panel’s native resolution on a high-density screen.
- Comparing the window 大小 with the screen 大小. They differ whenever the browser 是 not full screen.
- Forgetting that browser zoom changes the 个数字.
常见问题
Why 是 my resolution lower than my screen’s specification?
Browsers report CSS pixels. Multiply by the pixel 比 至 得 physical pixels.
What 是 the device pixel 比?
The number physical pixels件each CSS pixel. 2 和 3 are common on phones 和 laptops.
Why does the window 大小 变化?
It follows the browser window, so zooming, rotating 或 resizing changes it.
Is anything sent anywhere?
your browser 的 No. The values are read 和 not sent.
相关工具
详情
- Browser window
- 1280 × 900 px
- Available screen 面积
- 1280 × 900 px
- Device pixel 比
- 1
- 第 Colour dep 次
- 24-bit
- Orientation
- landscape
- Touch 点数
- 0
- 宽高比
- 64:45