Rule Of Thirds Grid
Calculator

Inputs

First vertical line (px)
640

Results

First vertical line (px)
640
Second vertical line (px)
1,280
First horizontal line (px)
360
Second horizontal line (px)
720

Design and print results

First vertical line (px)640
Second vertical line (px)1,280
First horizontal line (px)360
Second horizontal line (px)720

formula-map diagram

First vertical line (px)
640
Second vertical line (px)
1,280
First horizontal line (px)
360
Second horizontal line (px)
720

Formula breakdown

Formula

guide lines at width÷3, 2×width÷3, height÷3, 2×height÷3

= 640

Note

Simplified model: these are standard prepress and typographic relationships computed on nominal values. Real press bulk, paper caliper and shrinkage, ink limits for a given profile, font metrics and binding allowances vary by supplier and by job, so confirm with your printer and a proof before going to press.

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