REM to PX Converter

rem
px

Result: 10px

Calculation based on a root font-size of 16 pixel.

How to Use the converter?

1

Select the input field labeled "REM"

2

Change the number in an input field

3

Converter will automatically convert

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Difference Between REM and PX

When it comes to web design and development just like remtopx.com, it's important to understand the difference between pixels (px) and root em (rem). While both units of measurement are used to specify the size of elements on a webpage, they work in very different ways. Pixels are a fixed unit of measurement that are based on the resolution of the display. This means that the size of an element measured in pixels will remain constant, regardless of the size of the user's screen or the base font size.

On the other hand, root em is a relative unit that is based on the font-size of the root element (in this case, the <html> element). This means that when the base font size is changed, the size of elements measured in rem will also change.

So why use one unit over the other? Pixels are often preferred for specifying the size of fixed elements, such as images, because they will remain the same size regardless of the user's screen size. Root em, on the other hand, is often used for elements that need to be responsive, as it allows the size to adjust based on the user's screen size and base font size.

It's important to note that both px and rem have their place in web design and development. By understanding the differences between the two and how they work, you can make informed decisions about which unit is best for your needs. An example 1 pixel (px) is equal to 0.0625 root em (rem) when using the default base font size. Inversely, 1 root em (rem) is equal to 16 pixels (px). These conversions can be useful in responsive web design.

REM to Pixel Units Comparison

Pixels ↔︎ REM

  • 1px = 0.06rem
  • 2px = 0.13rem
  • 3px = 0.19rem
  • 4px = 0.3rem
  • 5px = 0.3rem
  • 6px = 0.4rem
  • 8px = 0.5rem
  • 10px = 0.6rem
  • 12px = 0.8rem
  • 14px = 0.9rem
  • 15px = 0.9rem
  • 16px = 1rem
  • 18px = 1.1rem
  • 20px = 1.3rem
  • 24px = 1.5rem
  • 25px = 1.6rem
  • 28px = 1.8rem
  • 32px = 2rem
  • 36px = 2rem
  • 40px = 3rem
  • 44px = 3rem
  • 48px = 3rem
  • 50px = 3rem
  • 56px = 4rem
  • 64px = 4rem
  • 72px = 5rem
  • 75px = 5rem
  • 80px = 5rem
  • 90px = 6rem
  • 100px = 6rem

REM ↔︎ Pixels

  • 0.01rem = 0.16px
  • 0.03rem = 0.5px
  • 0.05rem = 0.8px
  • 0.08rem = 1.3px
  • 0.1rem = 1.6px
  • 0.15rem = 2px
  • 0.2rem = 3px
  • 0.5rem = 8px
  • 1rem = 16px
  • 2rem = 32px
  • 3rem = 48px
  • 4rem = 64px
  • 5rem = 80px
  • 6rem = 96px
  • 8rem = 128px
  • 10rem = 160px
  • 15rem = 240px
  • 20rem = 320px
  • 30rem = 480px
  • 40rem = 640px
  • 50rem = 800px
  • 60rem = 960px
  • 80rem = 1280px
  • 100rem = 1600px

The Ultimate Guide to REM and PX Conversions

Converting between REM and pixels (PX) is a common task in web development. With our REM to PX converter, you can effortlessly switch between these units. Whether you're looking to convert PX to REM or REM to pixels, our tool has got you covered.

Why would you need to convert REM to PX? REM is relative to the root element, making it responsive, while PX is fixed. Sometimes, you may need to convert 14px to REM for better scalability or 1.5 REM to PX for pixel-perfect designs.

So why use one unit over the other? Pixels are often preferred for specifying the size of fixed elements, such as images, because they will remain the same size regardless of the user's screen size. Root em, on the other hand, is often used for elements that need to be responsive, as it allows the size to adjust based on the user's screen size and base font size.

Our tool supports specific conversions like 2 REM to PX, 1.25 REM to PX, and even 5 REM to PX. When working with smaller units, 0.75 REM to PX is also an option.

In summary, our converter is the complete solution for all your conversion needs, whether it's pixels to REM or REM to pixels.

Common REM to PX Conversions

132px

8.25rem

1rem

16px

1.5rem

24px

1.25rem

20px

1.375rem

22px

2rem

32px

0.75rem

12px

0.5rem

8px

Quick Conversion Tips

Converting REM to PX

To convert REM to PX, multiply the REM value by 16 (base font size). For example: 1.5rem × 16 = 24px

Converting PX to REM

To convert PX to REM, divide the pixel value by 16 (base font size). For example: 132px ÷ 16 = 8.25rem

Frequently Asked Questions

How to convert PX to REM?

To convert PX to REM, divide the pixel value by the base font size (usually 16px). For example, 16px = 1rem, 24px = 1.5rem. You can use our converter above to do this calculation automatically.

When to use PX, EM, or REM?

Use PX for fixed sizes that should never change (like borders or shadows), EM for sizes relative to the parent element's font size, and REM for responsive typography and layouts relative to the root font size.

Why use REM instead of PX?

REM units are better for accessibility and responsive design because they scale with the user's preferred font size. This makes your website more adaptable to different screen sizes and user preferences.

How to calculate PX to REM?

The formula is: REM = PX ÷ Base Font Size. With the standard base font size of 16px: 1rem = 16px, 0.5rem = 8px, 2rem = 32px. Our converter above handles these calculations automatically.

When should I use PX units instead of REM?

Use PX for precise measurements that shouldn't scale, such as borders, shadows, and small decorative elements. PX is also good for maintaining exact pixel-perfect designs.

Why should I use REM for font sizes?

REM is ideal for font sizes because it ensures consistent scaling across your website while respecting the user's browser font size settings, improving accessibility and responsive design.

Do all browsers support REM units?

Yes, REM units are supported by all modern browsers. They have excellent compatibility, working in Chrome, Firefox, Safari, Edge, and other modern browsers, including their mobile versions.

What are some common REM to PX conversions?

Here are some frequently used conversions: 132px = 8.25rem, 1rem = 16px, 1.5rem = 24px, 1.25rem = 20px, 1.375rem = 22px. Our REM to PX calculator and converter makes these calculations instant. Whether you're converting REM to PX or calculating PX to REM, you can quickly get accurate results for any value.