Production
Caliana Spine Width Calculator
Calculate spine width across 5 platforms, preview full cover layout with bleed and trim marks, and get spine text sizing guidance — all in real time.
Book Specifications
Spine Width Results
| Platform | Spine Width | Cover Board | Total Spine | Status |
|---|
Full Cover Template Dimensions
Cover Layout Preview
Spine Text Preview
Spine Text Sizing Guide
| Spine Width | Title Font | Author Font | Publisher Font | Orientation |
|---|
Paper Thickness Reference
| Paper Type | Per Page (in) | Per Page (mm) | 100 Pages | 250 Pages | 500 Pages |
|---|
Export Specifications
Spine widths are calculated using official platform formulas. KDP and IngramSpark use slightly different per-page thickness values. Always verify with the platform's cover template generator before finalizing your cover file.
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