Conversion Form

CM
PT

About the Unit

Centimeter (cm): The centimeter (cm) is a metric physical unit, equivalent to 1/100 of a meter. In CSS, the cm unit is primarily used for print design, as it allows specifying exact physical dimensions for layouts that will be printed or exported to physical formats, like PDF. Using cm ensures that the layout elements will have the exact desired size when printed, regardless of screen resolution or device size. 1cm is approximately equal to 37.795px on a 96 DPI screen, making it useful when precise print measurements are needed, but less practical for digital web design, where relative units like px or em are more flexible.

Pro Tip: cmpt

1cm = 28.3465pt. Convert cm to pt for print designs.

Quick Reference: Unit Conversion by Tens

CMPT
10cm283.465276pt
20cm566.930551pt
30cm850.395827pt
40cm1133.861102pt
50cm1417.326378pt
60cm1700.791654pt
70cm1984.256929pt
80cm2267.722205pt
90cm2551.18748pt
100cm2834.652756pt
110cm3118.118032pt
120cm3401.583307pt
130cm3685.048583pt
140cm3968.513858pt
150cm4251.979134pt
160cm4535.444409pt
170cm4818.909685pt
180cm5102.374961pt
190cm5385.840236pt
200cm5669.305512pt
210cm5952.770787pt
220cm6236.236063pt
230cm6519.701339pt
240cm6803.166614pt
250cm7086.63189pt

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 cm and pt without testing on different screen sizes.

Real Code Example

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

Frequently Asked Questions About CM

When should I use cm instead of cm?

Use cm for print layouts or physical dimensions.

How many cm is 1cm?

1cm = 37.8px approximately.

Is cm affected by screen size?

No, it's a fixed physical measurement.

Is cm good for web design?

Not typically, better for print styles.

Keyboard Shortcuts

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

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