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Rem to Px Converter

Convert rem to pixels instantly with this free CSS rem to px converter. Set your base font size for accurate results. Includes common rem-to-px values.

Γ·base
Viewport settings
UnitValue
pxPixel16
ptPoint12
pcPica1
cmCentimeter0.42333333
mmMillimeter4.2333333
inInch0.16666667
remRoot em1
emEm1
vwViewport width1.1111111
vhViewport height1.7777778
vminViewport minimum1.7777778
vmaxViewport maximum1.1111111
exx-height (approx)2
chCharacter width (approx)1.6666667
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Convert Rem to Pixels

Enter a rem value to convert it to pixels. The conversion multiplies your rem value by the root font size (default 16px). Use this when you need to understand the actual pixel output of relative CSS units.

Common Rem to Pixel Values

Rem Pixels (16px base) Pixels (14px base) Context
0.5rem 8px 7px Small spacing
0.75rem 12px 10.5px Small text
0.875rem 14px 12.25px Body text (some frameworks)
1rem 16px 14px Base font size
1.25rem 20px 17.5px Large body text
1.5rem 24px 21px H3 / section headings
2rem 32px 28px H2 headings
3rem 48px 42px H1 headings

How to Use

  1. The tool opens with 1rem pre-filled, converting to 16px
  2. Type any rem value in the input field
  3. Adjust the base font size if your project uses something other than 16px
  4. Copy the pixel value from the results table

Real-World Example

You see font-size: 1.25rem in the computed styles and need to know the actual pixel size. With a 16px root font size, multiply 1.25 Γ— 16 = 20px. If your framework uses 14px base, it would be 1.25 Γ— 14 = 17.5px.

For more conversions, see the full CSS Units Converter or try Px to Rem.

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