ConvertThings
1 rem = 1 em
1 Rem equals 1 Ems

Rems to Ems Conversion Table

Standard benchmark values from 1 to 1,000 rem in em.

Rems (rem) Ems (em)
1 rem 1 em
2 rem 2 em
5 rem 5 em
10 rem 10 em
25 rem 25 em
50 rem 50 em
100 rem 100 em
250 rem 250 em
500 rem 500 em
1000 rem 1000 em

Convert Rems to Ems

Convert rems to ems (rem to em) with our instant calculator. 1 rem = 1 em. Includes exact formula and reference tables.

How to Convert Rems to Ems (rem to em)

1 Rem (rem) is equal to 1 Ems (em). Multiply the rem value by 1

Quick Answer 1 rem = 1 em
Formula em = rem × 1
Inverse Factor 1 em = 1 rem

Unit Definitions & Metrology Context

In standard digital design and CSS specifications (W3C CSS Values Module), the reference pixel (px) is calibrated to 1/96th of an inch (96 DPI baseline).

About Rems (rem): Rem (rem) is a unit in the Typography measurement category. It is widely used in root em (16 px browser standard). Relative to the typography base unit, 1 rem equals 16 Pixels (px).

About Ems (em): Em (em) is a unit in the Typography measurement category. It is widely used in relative font size (16 px standard). Relative to the typography base unit, 1 em equals 16 Pixels (px).

Need to convert in the opposite direction? Visit our Convert Ems to Rems (em to rem) calculator (1 em = 1 rem).

Step-by-Step Worked Examples (rem to em)

  • Convert 5 Rems to Ems: Applying the formula (em = rem × 1): starting with 5 rem, multiply the rem value by 1 to get 5 em.
  • Convert 10 Rems to Ems: Applying the formula (em = rem × 1): starting with 10 rem, multiply the rem value by 1 to get 10 em.
  • Convert 50 Rems to Ems: Applying the formula (em = rem × 1): starting with 50 rem, multiply the rem value by 1 to get 50 em.

Popular Typography Conversions

Pixel ⇄ Rem
Divide pixels by 16 to get root rems (assuming default 16px browser base font size).
Rem ⇄ Pixel
Multiply rem by 16 to get the computed pixel value (1.5 rem = 24 px).
Point ⇄ Pixel
Multiply typography points by 4/3 (~1.333) to get CSS pixels (12 pt = 16 px).
Pixel ⇄ Point
Multiply CSS pixels by 0.75 (3/4) to get typography points (16 px = 12 pt).
Pica ⇄ Pixel
1 pica equals exactly 12 points or 16 CSS pixels.

Frequently Asked Questions

Verified answers and formulas for converting rems to ems.

How many ems are in 1 rem?

There are 1 ems (em) in 1 rem (rem). Conversely, 1 em equals 1 rems.

How do you convert rems to ems?

To convert rems (rem) to ems (em), use the formula: em = rem × 1. Multiply the rem value by 1. For example, 10 rem equals 10 em.

How do I convert back from ems to rems?

To convert in the reverse direction from ems (em) to rems (rem), use the inverse formula: rem = em × 1. Multiply the em value by 1 (1 em = 1 rem).

What is the difference between rem (rem) and em (em)?

Both rem and em measure typography. Rem (rem) is a unit in the Typography measurement category. It is widely used in root em (16 px browser standard). Relative to the typography base unit, 1 rem equals 16 Pixels (px). Em (em) is a unit in the Typography measurement category. It is widely used in relative font size (16 px standard). Relative to the typography base unit, 1 em equals 16 Pixels (px).

How do you convert pixels (px) to rem?

Divide the pixel value by 16 (assuming default root font size of 16px). For example, 16px = 1rem, 24px = 1.5rem, and 32px = 2rem.