Line Height Calculator

Find the optimal line height for readability based on font size and content type.

24.0px
Line Height
1.5
Ratio
8.0px
Leading

The quick brown fox jumps over the lazy dog. Typography is the art and technique of arranging type to make written language legible, readable, and appealing when displayed.

CSS:font-size: 16px; line-height: 24.0px; /* 1.5 */

Why Line Height Matters

Line height (leading) affects readability significantly. Too tight and lines blur together; too loose and the eye struggles to track from line to line. The optimal line height depends on the font size and the type of content.