Speech Bubble Sizing Calculator
Calculate speech bubble dimensions from word count, font size, and bubble shape to ensure readable lettering.
Inputs
pt
in
in
in
in
Results
Bubble Width
3.13 in
Bubble Height
0.54 in
Lines of Text2
Words Per Line7.6
Characters Per Line42
Panel Coverage14.8%
Readability Score100/100
Total Characters83
How to Use This Calculator
- Enter word count and font size (pt) — standard comic lettering is 6–8 pt.
- Set maximum bubble width (in), bubble shape, line spacing, inner padding, and letter case.
- Enter panel width and height.
- Review Bubble Width (in), Bubble Height (in), and whether the bubble fits within the panel.
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