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Compute logo clear space and minimum sizes for screen and print, with a size table

Logo size rulesFreeFor brand teams and designers

10 min

saved on a typical run. Our estimate, against measuring clear space and minimum sizes by hand from the logo artwork.

Before: what you give it

The example input, as typed in. You type in numbers or values.

width: 480
height: 120
unit: px
letterform: 72
kind: wordmark
clearSpaceMultiple: 1

After: what comes back

The first lines of a real run on that input. Nothing here is edited by hand.

Logo 480 x 120 px (wordmark); aspect ratio 4:1.
Reference letterform: 72 px, 60% of the logo height.

Clear space: 1x the letterform = 72 px on every side. Total exclusion zone 624 x 264 px.
Compact placements (app bars, footers) may drop to 36 px, which is half the standard. Never go below that.

Minimum size, digital: 14 px tall, 54 px wide.
Minimum size, print: 2.5 mm tall, 10 mm wide.
Basis: the smallest letterform stays at 8 px on screen and 1.5 mm in print.

Size check at common widths:
   16 px wide: 4 px tall, letterform 2.4 px, below minimum
   24 px wide: 6 px tall, letterform 3.6 px, below minimum
   32 px wide: 8 px tall, letterform 4.8 px, below minimum
... full output on the tool page

What you get

Clear space per side, exclusion zone, compact placement, minimum sizes, and a width table marking failures

What it cannot do

If you omit the letterform height it is estimated; the 8 px and 1.5 mm floors are our conventions.

Who it is for

  • Brand teams
  • Designers

Free and Pro

Free25 runs a day per IP address, up to 30,000 characters a run.
ProNo daily limit, 300 requests a minute, up to 200,000 characters a run.

What each plan includes

Use it from your assistant

The tool is called logo_size_rules. Connect the server once, then ask for it by name or just describe the job. Install steps for each app.

claude mcp add --transport http designers https://designers.allthepossibles.com/mcp
curl -X POST https://designers.allthepossibles.com/api/logo-size-rules -H 'content-type: application/json' -d '{"width":480,"height":120,"unit":"px","letterform":72,"kind":"wordmark","clearSpaceMultiple":1}'

Try it here

The form starts with the same example input, so you can run it first and then swap in your own.

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