CSS Charts - Style Sheet Measurements
There are standard measurement units available to use as values for many of the CSS properties - shown in table below
| Style Sheet measurements | |
| Measurement | Description |
| cm |
Centimetre |
| em |
the width of the letter M in the current font |
| ex |
the height of the letter x in the current font. |
| in |
Inch |
mm |
millimetre |
| % |
relative to base font size - this example gives 1 1/2 the base font size. |
| pc |
pica - a standard publishing unit equal to 12 points |
| px |
the size of a pixel on the current screen. |
| pt |
point - a standard publishing unit, with 72 points per inch. |