What is the best number of paragraph width for readability? [duplicate]

According to studies, the line length should not exceed 70 characters. So keep your paragraph width between 50 and 70 characters.

1. What is the ideal line length for best readability?
2. How wide should a paragraph be?
3. How many words wide should a text box be?
4. What is the ideal width for a text block to prevent user fatigue while reading?

What is the ideal line length for best readability?

Ruder concluded that the optimal line length for body text is 50–60 characters per line, including spaces (“Typographie”, E. Ruder). Other sources suggest that up to 75 characters is acceptable.

How wide should a paragraph be?

The optimal paragraph width is between 50-80 characters (including spaces) or 8-10 words per line. Obviously when determining this width you can take an average of several lines within the paragraph as the number of characters per line will vary depending on the paragraph alignment.

How many words wide should a text box be?

Exactly what width is ideal varies with devices, layouts, and fonts. Authoritative sources such as Smashing Magazine and the Baymard Institute suggest line length 45 – 85 characters, but characters aren't the only way to measure text box width.

What is the ideal width for a text block to prevent user fatigue while reading?

The Ideal Measure: 45 to 75 Characters #

Reading a long line of type causes fatigue: the reader must move his head at the end of each line and search for the beginning of the next line.…