Kerning Adjustment Calculator
Optical kerning spacing adjustment estimate.
Inputs
Results
Kern value (UPM units)
-50
Kern value (px)-0.8
Kern value (em)-0.05
Effective spacing (px)-0.8
Effective spacing (em)-0.05
Tightness score75/100
Display Size Warning0
How to Use This Calculator
- Enter Font size (px), Shape category (1–5), and Tracking (em).
- Set Units per em (UPM).
- Review the Kern value (UPM units) result.
- Use Kern value (px) and Kern value (em) to inform your decision.
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