像素转厘米与英寸

在像素、厘米、毫米和英寸之间转换。

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使用方法

  1. 1
    填写各项

    输入数字或选择所需选项。

  2. 2
    查看结果

    更改任何值时,答案会立即更新。

  3. 3
    使用结果

    复制结果或记下来。不会向任何地方发送任何内容。

About this tool

Enter a size and choose its unit, then pick a resolution in DPI. You see the same size in pixels, centimetres, millimetres, inches and points. Use 72 or 96 for screens and 300 for print. It is useful when you prepare a photo for printing or a document for a form.

When to use it

Convert between pixels, centimetres, millimetres and inches at a chosen DPI.

Tips

Use 300 dpi for print and 72 or 96 for screens.

Privacy

Everything runs in your browser, so your data is not uploaded or stored.

计算示例

With the boxes at their starting values (Size: 1920; Unit: Pixels (px); Resolution (DPI): dpi_96), the tool shows: Pixels: 1,920.0; Centimetres: 50.80; Millimetres: 508.0; Inches: 20.000; Points (pt): 1,440.0. Change any box to see your own numbers. The result updates as you type, and nothing leaves your browser.

获得最佳结果的提示

在相信结果之前先检查每一个输入项,因为一个错误的数字就会改变整个答案。请使用工资单、账单、证书或合同上的准确数字,并记下计算日期。税率、门槛和规则会不时变化,因此对于税费和法律事务,请将结果视为估算,并与本页注明的官方来源核对。您可以尝试任意多个方案;不会保存或发送任何内容,刷新页面会清空输入。

要点

将此计算器嵌入您的网站

复制此代码,即可在您的页面上显示计算器。包含指向 shobfree.com 的链接。

常见问题

What DPI should I use for print?

300 DPI is the usual choice for good quality print.

Why do pixels depend on DPI?

A pixel has no fixed physical size. The DPI tells how many pixels fit in one inch.

What DPI should I use?

300 for print.

Why does DPI matter?

It links pixels to physical size.

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