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Calcimator

Line Length Calculator

Optimal characters per line from size and width.

Inputs

Results

Characters per line

85

Words per line14.2
Readability rating50/100
Ideal container width (px)528
Min comfortable width (px)360
Max comfortable width (px)600
How to Use This Calculator
  1. Enter Font size (px), Container width (px), and Avg char width (em).
  2. Set Side padding (px).
  3. Review the Characters per line result.
  4. Use Words per line and Readability rating (/100) to inform your decision.
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