W3C Web Accessibility Initiative · reviewed 2026-10-26
What this source supports: WCAG 2.2 requires a minimum 24×24 CSS pixel target size for pointer inputs, with spacing exceptions when targets are at least 8 pixels apart.
Source limit: Target size is one of many pointer-accessibility requirements; test on real touch devices.
These sources support the statements above. They do not show that every person needs this guide. They do not show a specific result.
Limits
This guide multiplies the targets you enter. It does not measure a screen or decide which control is exempt.
Target size is one of many pointer-accessibility requirements; test on real touch devices.
Use current instructions from the responsible organization. This guide is a planning aid, not an official decision or a substitute for qualified advice.
Common questions
What does the App compute?
Turn a target-size audit into a failure share and the hours of repairs.
What does the App not do?
This App multiplies the targets you enter. It does not measure a screen or decide which control is exempt.
Where do the numbers come from?
You enter every number yourself. The sources support the method and the limits. They do not produce a result for your specific case. Keep the original documents next to the sheet you build.
Before you start
Open the linked source page and keep it beside you.
Gather the values the App asks for:
Targets measured.
Targets below the minimum.
Minutes a fix.
Set aside ten quiet minutes; rushed numbers are the main error this guide prevents.
Free Companion App
The App computes the worked example with your own numbers, in your browser.
APP 1
Target Size Fix Hours
Turn a target-size audit into a failure share and the hours of repairs.
The App runs in this browser. It does not send or save entries. Copy, download, or print only when you choose.
This guide uses short, direct instructions as an ASD-STE100-style writing target. It is not a formal certification.
About this guide
Category
Accessibility
Reading time
About 3 minutes
Last reviewed
Cost
Free to read. No account is required.
Companion App: Target Size Fix Hours. It runs in this browser and does not upload your entries.
This guide is edited for clarity and checked against the sources it links. It is not a substitute for official instructions or qualified advice. A linked source does not show that every person needs this guide.