Free Visual
Grid Calculator

Set format, margins, columns and rows – see the spread and its usable layout units.

Page format

Single Page

Width

Height

Margins

Top

Bottom

Outer

Inner (spine)

Grid

Columns

Gutter

Rows

Gutter

Square modules

Baseline grid

Increment

Start offset

Page Margins

Export

Page size, margins & columns as well as guides for rows – opens in any app that can interpret IDML files.

Layout and UI idea by René Andritsch. Code written with Claude (Anthropic). Maintained by René Andritsch. IDML export uses JSZip by Stuart Knightley (MIT). This calculator runs fully in your browser – no external requests, no data collected. IBM Plex fonts locally hosted.

If this saved you time, a small tip is much appreciated.

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Show measurements Show baseline grid

Layout units