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SnapUtil
Developer Tools

CSS Unit Converter

Convert between CSS units (px, rem, em, etc.)

Value to Convert
= 16 pixels
Configuration
Conversions
px
16px
rem
1rem
em
1em
vw
0.8333vw
vh
1.4815vh
%
1.3333%
pt
12pt
cm
0.4233cm
mm
4.2333mm
in
0.1667in
Common Typography Sizes
Unit Reference
UnitDescription
pxPixels - absolute unit
remRoot em - relative to root font-size
emEm - relative to parent font-size
vwViewport width - 1% of viewport width
vhViewport height - 1% of viewport height
%Percentage - relative to parent
ptPoints - 1pt = 1/72 inch
cmCentimeters - physical unit
mmMillimeters - physical unit
inInches - physical unit

What is CSS Unit Converter?

Convert between CSS units (px, rem, em, etc.)

CSS Unit Converter is a free online tool that works directly in your browser. No installation or signup required. All processing happens locally on your device, ensuring your data stays private and secure.

Why Use CSS Unit Converter?

  • ✓100% Free - No hidden costs or premium features
  • ✓No Signup Required - Start using instantly without creating an account
  • ✓Privacy First - All processing happens in your browser. Your data never leaves your device
  • ✓Lightning Fast - Instant results with no server delays

How to Use

  1. Enter or paste your text in the input area above
  2. The tool will automatically process your input
  3. Copy the result or download it as a file

Features

  • ✓All CSS unit support
  • ✓Configurable base values
  • ✓Typography size presets
  • ✓Viewport calculations

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