Free tool
Square Check
Fast, accurate squaring for excavations, foundations, and layouts. Accepts decimals or fractions — 30, 30.5, or 30 1/2.
Unit
What do you need to find?
Measurements
Result
Enter your measurements to see the result.
SiteFacts
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We’ll send your latest measurement to your inbox so it’s there when you’re back at the truck.
Squaring a foundation on a lot you haven’t vetted?
The layout is the easy part. SiteFacts pulls permits, zoning, slope, utilities, and site constraints for any parcel — before the concrete is ordered.