Is a 4x8 sheet of drywall actually 4 feet by 8 feet?

Drywall
Partitions
Accuracy

Drywall is the one material that has to break on a stud, so a sheet's real width decides whether a wall closes out clean or ends in a float joint over air. Two hundredths of an inch on one sheet is nothing; carried down a corridor of board it walks the seam off the framing. The T1M Utility reads in decimal inches, so an audit like this returns a number you can add up, and the readings save against the room instead of being remembered from the lumber aisle.

How the sheet measures up

Sheet length read 96.02 inches
Width within 0.02 inch of 48
T1M reads in decimal inches
The seam still has to land on a stud
T1M saves the audit against the room

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The video measures a stock 4x8 sheet in the aisle: the width comes in within 0.02 inch of 48, and the length reads 96.02. Both pass. That is the useful outcome of a material audit, not catching a bad sheet but knowing the stock you are buying is what the takeoff assumed, before three hundred of them are on the job.