Instantly convert EM to Percentage and Percentage to EM
A simple and fast tool to convert EM units to Percentage values and vice versa for your web designs.
How to Convert EM to Percentage
Step 1: Understand the Relationship
The `em` unit is directly proportional to the parent’s font size. Therefore, 1em is always equal to 100% of the parent’s font size.
Step 2: Use the Conversion Formula
The formula to convert EM to a percentage is simply to multiply the EM value by 100.
Result in % = EM Value * 100
Step 3: Example Calculation
If you want to convert 1.5em to a percentage, the calculation is:
1.5 * 100 = 150
So, 1.5em is equal to 150% of the parent’s font size.
Common EM to Percentage Reference
A quick reference table for converting REM to Percentage.
EM to Percentage Converter Information
Understanding EM Units
The `em` unit is a relative unit of measurement in CSS. It is relative to the font-size of its direct parent element. This makes it powerful for creating components that scale within themselves, but can sometimes lead to complex calculations in nested elements.
Understanding Percentages (%)
The percentage (%) unit is a relative unit of measurement in CSS. It defines a size or length relative to the same property of its parent element. For font-size, a percentage is relative to the parent’s font-size, making it directly equivalent to the `em` unit (e.g., 1.5em = 150%).
Why Convert EM to Percentage?
While `em` and `%` are often interchangeable for font-size, converting between them can be useful for clarity and consistency in your code. This is helpful for:
- Code Readability: Some developers find percentages more intuitive than decimal `em` values when thinking about font scaling.
- Maintaining a Consistent Unit: If your project’s coding standards prefer percentages for all relative sizes, converting `em` values helps maintain that consistency.
- Educational Purposes: Understanding that 1em is 100% is a fundamental concept in CSS, and this converter helps to illustrate that relationship clearly.