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Measure, or Line Length

The term measure denotes the physical horizontal span of a single row of text. When working with paragraph layouts, this dimension simultaneously establishes the total width of the entire text container.

Measure compared in Singel: the same paragraph set three times at narrow, medium and wide line lengths, each column's right edge marked by a pink vertical rule showing how many characters fit per line.

The term measure denotes the physical horizontal span of a single row of text. When working with paragraph layouts, this dimension simultaneously establishes the total width of the entire text container.

Managing this horizontal distance is a vital element in cultivating a highly readable layout. Rows that are overly narrow fracture the reading flow by compelling the reader’s gaze to drop to subsequent lines too rapidly, while excessively wide rows harm the experience by making it difficult for the eye to track back across the page to find the beginning of the next sentence. This tracking failure frequently leads to readers accidentally skipping rows or re-reading the exact same line twice.

Furthermore, any adjustments made to this horizontal span should directly dictate changes to the vertical spacing between rows. As a general rule of typography, longer text rows demand more open vertical line spacing to remain legible.

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About the author
Iveta Stoyanova

Iveta is the Social Media & Community Manager at Fontfabric. With a background in Rhetoric & Speech Communication, she writes about the human side of typography, the inspiration behind new typefaces, choosing the right font for your project, and font licensing.