PXからREMへの変換とは？
<strong>PX</strong>から<strong>REM</strong>への変換はWeb開発でよくあるタスクです。Convert pixel values to REM units based on configurable root font size.
変換の仕組み
ピクセル値をルートフォントサイズで割ります。
Common PX to REM Conversions
- 12px = 0.75rem — small/caption text
- 14px = 0.875rem — body text (compact)
- 16px = 1rem — default body text
- 20px = 1.25rem — subheadings
- 24px = 1.5rem — h3 headings
- 32px = 2rem — 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.