The final unit of measurement that it is possible to declare font sizes in is point values (pt). Point values are only for print CSS! A point is a unit of measurement used for real-life ink-on-paper typography. 72pts = one inch.
What is pt in font size?
Font sizes are measured in points; 1 point (abbreviated pt) is equal to 1/72 of an inch. The point size refers to the height of a character. Thus, a 12-pt font is 1/6 inch in height. The default font size in Microsoft Word 2010 is 11 pts.
What is pt and PX?
A point (pt) is equal to 0.352778 millimeters, 0.0138889 inches, or 1.333 pixels. Because millimeters and inches are measurements of physical items, they are not ideal to use with computer or mobile based applications because they dont always represent the correct size because of differences in screen resolution.
What Is REM and em in CSS?
To recap, the em unit means “my parent element’s font-size” in the case of typography. … So each successive level of nesting gets progressively larger, as each has its font size set to 1.3em — 1.3 times its parent’s font size. To recap, the rem unit means “The root element’s font-size”. (rem stands for “root em”.)
Should I use pt or px CSS?
Use em or px for font sizes
In CSS there is no reason to use pt , use whichever unit you prefer. But there is a good reason to use neither pt nor any other absolute unit and only use em and px .
What is PT in HTML?
Points (pt) as CSS font size
Points are a unit of measurement used in print. Points are based on an inch on a ruler, and one inch is equal to 72 points. This unit also varies greatly between different browsers and screens when used in CSS.
What is the difference between PT and px in HTML?
A pt is 1/72 of an in, and a px is 1/96 of an in. A px is therefore 0.75 pt [source]. In CSS, everything is somewhat abstracted, so a unit such as a “pt” is not necessarily one point in physical size, especially on a screen, an “in” is not necessarily one inch in size, and so forth.
What can I use instead of px in CSS?
% is also a relative unit, in this case, relative to either the height or width of a parent element. They are a good alternative to px units for things like the total width of a design if your design does not rely on specific pixel sizes to set its size.
What does PX mean in size?
I repeat: Web images are measured in pixel dimensions – also referred to as PX – so 600px X 450px means 600 pixels wide by 450 pixels high (typically, width is quoted first).
How do you convert PX to PT?
- 1 px = 0.75 point. 2 px = 1.5 point.
- 3 px = 2.25 point. 4 px = 3 point.
- 5 px = 3.75 point. 6 px = 4.5 point.
- 7 px = 5.25 point. 8 px = 6 point.
- 9 px = 6.75 point. 10 px = 7.5 point.
- 11 px = 8.25 point. 12 px = 9 point.
- 13 px = 9.75 point. 14 px = 10.5 point.
- 15 px = 11.25 point. 16 px = 12 point.
What is em short for in CSS?
Thus, em generally means the point size of the font in question, which is the same as the height of the metal body a font was cast on. Particularly in terms of CSS, an “em” doesn’t necessarily refer to the width of the capital M for a particular font; it’s just a relative quantity.
Should I use em or rem?
Use em only for sizing that needs to scale based on the font size of an element other than the html (root) element. Use rem unit for elements that scale depending on a user’s browser font size settings. Use rem as the unit for most of your property value. For complex layout arrangement, use percentage (%).
What is the diff between em and rem?
em and rem are font-based relative units and it’s different to use ems for fonts or for length, so both ems and rems are font-based but the difference between them is that ems use the parent or the current element as a reference while rems use the root font size as the reference.