Carpentry
Check Square Calculator
Check and set 90° using diagonal measurements. TradeSet’s check square tool is in your Toolbox—offline, with jobs and PDF export.
When to use this
Use the check square calculator when you need to verify or set a 90° corner using diagonal measurements. Enter two side lengths and the diagonal to see if the corner is square or how much to adjust.
What you get
- Square check from diagonals
- Works offline
- Save to jobs
- Part of full Toolbox
Built for the job site
Check Square Calculator is one of 18 calculators in the TradeSet Toolbox. Everything works offline, saves to jobs, and exports to PDF when you need to share.
Offline-firstJobs & historyPDF export
Get Check Square Calculator on your phone
Download TradeSet for iOS or Android. No account required to start—open the app and go.
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