/convert/pixels-to-rem/ Convert px to rem (16px base) instantly. Includes a reference table and formula. article px to rem (16px base) Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
🖥️ CSS & Design

px to rem (16px base) Converter

Convert px to rem (16px base) instantly. Includes a reference table and formula.

Quick answer: To convert px to rem (16px base), multiply by 0.0625. For example, 1 px = 0.0625 rem (16px base). Use the calculator below for any value.
px to rem (16px base)
Common conversions
px rem (16px base)
Formula:

How to convert px to rem (16px base)

1

Enter your value

Type the number of px you want to convert into the left box. The result in rem (16px base) appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — rem (16px base) to px. Your current value carries across so you don't have to re-enter anything.

3

About px and rem (16px base)

px and rem (16px base) are both CSS and design units. Use this converter to switch between them instantly.

💡 Did you know?

1 rem = 16 px by default (the browser default font size). Users can change this in accessibility settings — using rem instead of px lets your design respect that choice. Best practice: use rem for font sizes and layout spacing, px for fine details.

📊 Common conversions at a glance
px rem (16px base)
1 0.0625
2 0.125
4 0.25
6 0.375
8 0.5
10 0.625
Reviewed for 2026. px ↔ rem (16px base) conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.