Em (base 16px) to Rem (base 16px) Converter
Convert Em (base 16px) (em) to Rem (base 16px) (rem) instantly. 1 em = 1 rem.
Typography Converter
6 units available
1 em = 1 rem
Formula:
rem = em × 1With your value: 1 em = 1 rem
Other Em (base 16px) to Rem (base 16px) conversions
Em (base 16px) to Rem (base 16px) Conversion Table
| Em (base 16px) (em) | Rem (base 16px) (rem) |
|---|---|
| 0.5 | 0.5 |
| 1 | 1 |
| 2 | 2 |
| 5 | 5 |
| 10 | 10 |
| 15 | 15 |
| 20 | 20 |
| 25 | 25 |
| 50 | 50 |
| 100 | 100 |
| 250 | 250 |
| 500 | 500 |
| 1000 | 1,000 |
Rem (base 16px) to Em (base 16px) Conversion Table
| Rem (base 16px) (rem) | Em (base 16px) (em) |
|---|---|
| 0.5 | 0.5 |
| 1 | 1 |
| 2 | 2 |
| 5 | 5 |
| 10 | 10 |
| 15 | 15 |
| 20 | 20 |
| 25 | 25 |
| 50 | 50 |
| 100 | 100 |
| 250 | 250 |
| 500 | 500 |
| 1000 | 1,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Em (base 16px) (em)
Typography
Based on the PostScript point of exactly 1/72 inch, which CSS also adopts for absolute lengths.
Source: PostScript Language Reference; CSS Values and Units Module Level 4 (absolute lengths)
Adobe Systems / W3C · Reviewed 2026-07-01
Rem (base 16px) (rem)
Typography
Based on the PostScript point of exactly 1/72 inch, which CSS also adopts for absolute lengths.
Source: PostScript Language Reference; CSS Values and Units Module Level 4 (absolute lengths)
Adobe Systems / W3C · Reviewed 2026-07-01
How to Convert Em (base 16px) to Rem (base 16px)
To convert from Em (base 16px) (em) to Rem (base 16px) (rem), multiply the value by 1.
Formula: rem = em × 1
Reverse: em = rem × 1
Step-by-Step Example
- Start with your value in Em (base 16px). For example: 5 em
- Multiply by the conversion factor: 5 x 1
- The result is: 5 rem
About Em (base 16px)
The em is a relative unit of measurement in typography, based on the current font size.
Common uses: web design, responsive typography.
About Rem (base 16px)
The rem is a non-SI unit of equivalent radiation dose. One rem is equal to 0.01 sievert.
Common uses: radiation safety (US), dosimetry.
Frequently Asked Questions
How many Rem (base 16px) are in 1 Em (base 16px)?
There are exactly 1 Rem (base 16px) in 1 Em (base 16px). This means the conversion factor from Em (base 16px) to Rem (base 16px) is 1.
What is the formula to convert Em (base 16px) to Rem (base 16px)?
The formula to convert Em (base 16px) to Rem (base 16px) is: rem = em × 1. For example, to convert 10 Em (base 16px) to Rem (base 16px), you would multiply 10 by 1.
What is a Em (base 16px)?
The em is a relative unit of measurement in typography, based on the current font size.
What is a Rem (base 16px)?
The rem is a non-SI unit of equivalent radiation dose. One rem is equal to 0.01 sievert.
What are the common uses of Em (base 16px)?
The Em (base 16px) is commonly used in web design, responsive typography.
Related Typography Conversions
Cite this page
UnitConvertLab. (2026). Em (base 16px) to Rem (base 16px) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/em-to-rem