Conversion Form

IN
PT

About the Unit

Inch (in): The inch (in) is an absolute unit of measurement representing a physical inch, equal to 2.54 cm. In CSS, using the inch unit is particularly useful when you are creating documents or layouts for print, such as paper templates or physical charts. Using the in unit ensures that the layout will be printed with the exact dimensions specified, regardless of the screen resolution or the device used to view the page. The inch is a standard measure in many printing systems, so it is crucial when you need to create documents that will be printed or exported to other physical formats like PDFs. However, for digital web design, relative units (like px, em, or rem) usually offer greater flexibility, though the in unit may be the best choice for documents that need to be converted to physical formats.

Pro Tip: in → pt

1in = 72pt. Use pt for print and in for physical measurements.

Quick Reference: Unit Conversion by Tens

INPT
10in720.0018pt
20in1440.0036pt
30in2160.0054pt
40in2880.0072pt
50in3600.009pt
60in4320.0108pt
70in5040.0126pt
80in5760.0144pt
90in6480.0162pt
100in7200.018pt
110in7920.0198pt
120in8640.0216pt
130in9360.0234pt
140in10080.0252pt
150in10800.027pt
160in11520.0288pt
170in12240.0306pt
180in12960.0324pt
190in13680.0342pt
200in14400.036pt
210in15120.0378pt
220in15840.0396pt
230in16560.0414pt
240in17280.0432pt
250in18000.045pt

Live Unit Preview

See how different CSS units affect the size of the box below:

10px

10rem

10em

10%

10vw

10vh

Common Mistake

Be cautious when mixing in and pt without testing on different screen sizes.

Real Code Example

/* Mobile-first card with in → pt */
.card {
  padding: 0in;     /* undefinedpt */
  font-size: 1.5rem;
  width: min(90vw, 40ch);
}
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Keyboard Shortcuts

  • Ctrl + C: Convert
  • Ctrl + I: Invert units
  • Esc: Reset values

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