PX to PCT

PX is a crucial measurement unit frequently employed in Cascading Style Sheets (CSS). It serves as a font-relative unit, signifying that its value is in relation to the font-size of its parent element. This approach can significantly impact the consistency and scalability of your design.

Convert PX to Percentage (%) with Ease

Our PX to PCT Converter streamlines the process of converting PX units to Percentage (%) values. You no longer need to manually calculate these conversions every time you require them. This tool simplifies the task, ensuring precision and efficiency in your CSS projects.

Note: In px unit, the base is the value of its browser viewport width More information about this below.

How to Use the PX to Percentage (%) Converter

  • Step 1: Set the Base Value Begin by entering the base value, which represents the reference font size in pixels (px).
  • Step 2: Input the PX Value Next, input the specific px value that you want to convert into percentage (%) units.
  • Step 3: Convert to PCT Finally, all you have to do is enter the px value to obtain the equivalent value in pct units.

PX to Percentage (%) Conversion Table

PXPCT
10px62.5%
20px125%
30px187.5%
40px250%
50px312.5%
60px375%
70px437.5%
80px500%
90px562.5%
100px625%
110px5.729%
120px687.5%
130px812.5%
140px875%
150px937.5%
160px1000%
170px1062.5%
180px1125%
190px1187.5%
200px1250%
210px750%
220px1375%
230px1437.5%
240px1500%
250px1562.5%
260px1625%
270px1687.5%
280px1750%
290px1812.5%
300px1875%
310px1937.5%

How to Convert PX Units to Percentage (%)

Converting a px value to percentage (%) units is a straightforward process, thanks to the font-relative nature of px measurements. Here’s how you can do it:

Percentage = (pixel / text-size)*100%

Identify the Parent Font Size: Determine the font size of the parent element (often referred to as the container or wrapper). This font size will serve as the reference for your px conversion.

Calculate the PCT Equivalent: To convert a px value (e.g., 10px) to pct units, simply divide the pixel value by the font size of the parent element. For example, if the parent font size is 10px, then 10px is equivalent to 62.5% (10px / 16 * 100 = 62.5%).

Apply the PCT Value: Use the calculated Percentage (%) value in your CSS declarations for properties such as font-size, margin, padding, or any other property that accepts length values. Replace the pixel (px) measurement with the corresponding pct value to ensure scalability and responsiveness.

The formula to convert px to Percentage (%) units is straightforward:

Percentage = (pixel / text-size)*100%

Understanding PX Units in CSS: When the parent element has a font size of 10px, 62.5% equates to 10px for its child elements.

Understanding the Distinction Between PX and PCT Units

The distinction between px units and Percentage (%) is straightforward yet crucial in web design. PX are absolute units, providing fixed measurements that do not change regardless of their context. In contrast, em units are font-relative, dynamically adjusting based on their parent element’s font size.

However, Percentage (%) units behave differently. If you modify the font size of a parent element, any child elements using pct length units will adapt accordingly. This dynamic behavior makes Percentage (%) unit invaluable for creating flexible and responsive designs, as they scale in relation to their context.