16 Pixels to Rem – Answer and Calculator Tool

16 pixels equals 1 rem.

The value of 16 pixels is converted to rem by dividing it by the root font size, which is commonly 16 pixels. This means 16px divided by 16px equals 1rem, making it a direct and simple conversion.

Conversion Tool


Result in rem:

Conversion Formula

To convert pixels (px) to rem, divide the pixel value by the root font size (commonly 16px). The formula is:

rem = pixels ÷ root font size

This works because rem units are relative to the root element’s font size in CSS, making layouts scalable. If the root font size changes, rem values adjust automatically.

Example calculation:

  • Given 16 pixels
  • Root font size = 16 pixels
  • rem = 16 ÷ 16 = 1 rem

Conversion Example

  • Convert 24 pixels to rem:
    • Divide 24 by 16
    • 24 ÷ 16 = 1.5 rem
  • Convert 32 pixels to rem:
    • Divide 32 by 16
    • 32 ÷ 16 = 2 rem
  • Convert 8 pixels to rem:
    • Divide 8 by 16
    • 8 ÷ 16 = 0.5 rem
  • Convert 12 pixels to rem:
    • Divide 12 by 16
    • 12 ÷ 16 = 0.75 rem
  • Convert 20 pixels to rem:
    • Divide 20 by 16
    • 20 ÷ 16 = 1.25 rem

Conversion Chart

The table below shows pixel values from -9.0 to 41.0 along with their equivalent rem values. To use the chart, find the pixel value you want to convert in the left column and read the corresponding rem value on the right.

Pixels (px) Rem
-9.0 -0.5625
-8.0 -0.5
-7.0 -0.4375
-6.0 -0.375
-5.0 -0.3125
-4.0 -0.25
-3.0 -0.1875
-2.0 -0.125
-1.0 -0.0625
0.0 0.0000
1.0 0.0625
2.0 0.1250
3.0 0.1875
4.0 0.2500
5.0 0.3125
6.0 0.3750
7.0 0.4375
8.0 0.5000
9.0 0.5625
10.0 0.6250
11.0 0.6875
12.0 0.7500
13.0 0.8125
14.0 0.8750
15.0 0.9375
16.0 1.0000
17.0 1.0625
18.0 1.1250
19.0 1.1875
20.0 1.2500
21.0 1.3125
22.0 1.3750
23.0 1.4375
24.0 1.5000
25.0 1.5625
26.0 1.6250
27.0 1.6875
28.0 1.7500
29.0 1.8125
30.0 1.8750
31.0 1.9375
32.0 2.0000
33.0 2.0625
34.0 2.1250
35.0 2.1875
36.0 2.2500
37.0 2.3125
38.0 2.3750
39.0 2.4375
40.0 2.5000
41.0 2.5625
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Related Conversion Questions

  • How many rem are 16 pixels in CSS?
  • Is 16px equal to 1rem for all browsers?
  • What happens if the root font size is not 16px when converting 16 pixels to rem?
  • Can I use 16 pixels instead of rem in responsive design?
  • How to convert 16 pixels to rem when the base font size changes?
  • Does 16 pixels always equal 1 rem in web development?
  • Why my 16px text looks different when using rem units?

Conversion Definitions

Pixels: Pixels are the smallest unit of measurement on digital screens, representing one point in a raster image or display. They define the resolution and size of elements in web design, graphics, and images, differing in actual physical size depending on screen density.

Rem: Rem stands for “root em” and is a CSS unit relative to the font size of the root element (usually <html>). It allows scalable, consistent sizing across a webpage, adapting automatically if the root font size changes, unlike fixed pixel units.

Conversion FAQs

Why does converting 16 pixels to rem result in 1rem?

Because the default root font size in browsers is 16 pixels, dividing 16px by this root size equals 1rem. This makes 1rem the equivalent of 16 pixels unless the root font size is changed by CSS.

What if the root font size is different than 16px?

If the root font size changes, the conversion ratio changes too. For example, if the root font size is 20px, then 16 pixels equals 0.8rem (16 ÷ 20). This means rem units depend on the root size, so 16px won’t always equal 1rem.

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Can I mix pixels and rem units in the same stylesheet?

You can mix them, but it may cause inconsistent scaling. Pixels are fixed size units, whereas rem scales with the root font size. Using rem is preferred for responsive designs, but mixing requires careful handling to maintain harmony.

Why use rem instead of pixels for font sizes?

Rem units scale relative to the root font size, allowing better accessibility and responsive layouts. If users adjust their browser font size, rem-based text scales accordingly, unlike fixed pixel sizes which remain static.

Are negative pixel values valid for rem conversion?

Negative pixel values can be converted mathematically to negative rem values, but in practice, negative sizes for fonts or dimensions aren’t meaningful or valid in rendering. They might be useful in calculations but rarely used for styling.