Pixels (px)	Rems (rem)
1 px	0.0625 rem
2 px	0.125 rem
5 px	0.3125 rem
10 px	0.625 rem
25 px	1.5625 rem
50 px	3.125 rem
100 px	6.25 rem
250 px	15.625 rem
500 px	31.25 rem
1000 px	62.5 rem

Convert Pixels to Rems

Convert pixels to rems (px to rem) with our instant calculator. 1 px = 0.0625 rem. Includes exact formula and reference tables.

How to Convert Pixels to Rems (px to rem)

1 Pixel (px) is equal to 0.0625 Rems (rem). Divide the pixel value by 16

Quick Answer 1 px = 0.0625 rem

Formula rem = px / 16

Inverse Factor 1 rem = 16 px

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 Pixels (px): Pixel (px) is a unit in the Typography measurement category. It is widely used in css digital display baseline (96 dpi). The pixel (px) serves as the primary reference base unit for the typography domain.

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).

Need to convert in the opposite direction? Visit our Convert Rems to Pixels (rem to px) calculator (1 rem = 16 px).

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

Convert 5 Pixels to Rems: Applying the formula (rem = px / 16): starting with 5 px, divide the pixel value by 16 to get 0.3125 rem.
Convert 10 Pixels to Rems: Applying the formula (rem = px / 16): starting with 10 px, divide the pixel value by 16 to get 0.625 rem.
Convert 50 Pixels to Rems: Applying the formula (rem = px / 16): starting with 50 px, divide the pixel value by 16 to get 3.125 rem.

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 pixels to rems.

How many rems are in 1 pixel?

There are 0.0625 rems (rem) in 1 pixel (px). Conversely, 1 rem equals 16 pixels.

How do you convert pixels to rems?

To convert pixels (px) to rems (rem), use the formula: rem = px / 16. Divide the pixel value by 16. For example, 10 px equals 0.625 rem.

How do I convert back from rems to pixels?

To convert in the reverse direction from rems (rem) to pixels (px), use the inverse formula: px = rem × 16. Multiply the rem value by 16 (1 rem = 16 px).

What is the difference between pixel (px) and rem (rem)?

Both pixel and rem measure typography. Pixel (px) is a unit in the Typography measurement category. It is widely used in css digital display baseline (96 dpi). The pixel (px) serves as the primary reference base unit for the typography domain. 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).

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.