Converters

REM to PX Converter

Convert REM units to pixel values based on configurable root font size.

Instant Private 100% Free CSS Ready

REM → PX

Paste your value below and get instant results

Default: 16px. Change to match your project's root font size.
REM PX Description
0.5rem 8px Small spacing
0.75rem 12px Caption text
0.875rem 14px Compact body
1rem 16px Default body (base)
1.25rem 20px Subheading
1.5rem 24px H3 heading
2rem 32px H2 heading
3rem 48px H1 heading
4rem 64px Display heading

How It Works

Convert in 3 simple steps

1

Paste Your Value

Enter your REM value in the input field.

2

Instant Conversion

Click convert or just type — the result appears instantly with live preview.

3

Copy & Use

Copy the result or CSS variable with one click. Share via URL.

Why Developers Love This Tool

Instant Results

Real-time conversion as you type. No waiting, no page reloads.

100% Client-Side

All processing happens in your browser. No data is sent to any server.

CSS Variable Output

Get copy-ready CSS custom property syntax alongside raw values.

Shareable URLs

Generate pre-filled links to share specific conversions with your team.

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What is REM to PX Conversion?

Converting from <strong>REM</strong> to <strong>PX</strong> is a common task in web development. Convert REM units to pixel values based on configurable root font size. This tool provides instant, accurate results with no installation required — everything runs directly in your browser.

How the Conversion Works

REM to pixel conversion multiplies the REM value by the root font size (typically 16px). For example, 1.5rem × 16 = 24px. This helps when you need exact pixel values for design specifications.

Common REM to PX Conversions

  • 0.75rem = 12px — small/caption text
  • 0.875rem = 14px — compact body text
  • 1rem = 16px — default body text
  • 1.25rem = 20px — subheadings
  • 1.5rem = 24px — h3 headings
  • 2rem = 32px — h2 headings

Why Use This Converter?

  • Instant results — paste a value and get the converted output immediately.
  • Copy-ready CSS — one-click copy with properly formatted syntax.
  • Shareable URLs — pre-fill values via URL for easy team sharing.
  • No installation — works in any browser, on any device.

FAQ

How accurate is this REM to PX converter?

Our converter uses mathematically precise algorithms to ensure 100% accuracy. All conversions are performed client-side with no rounding errors beyond standard floating-point precision.

Is this tool free to use?

Yes, completely free with no registration required. All processing happens in your browser.

Can I share my conversion results?

Yes! Click the "Copy shareable link" button to generate a URL that pre-fills your input value, making it easy to share specific conversions with teammates.

Converters