Half of 1 13/16 inches is 29/32 inches (0.90625″, 23.02 mm).
How to Calculate It
Convert 1 13/16 to an improper fraction, divide by 2, then simplify. 1 13/16 = 29/16, divided by 2 = 29/32, simplified to 29/32.
On the Tape Measure
The mark at 29/32 inches (0.90625″) is a 1/32-inch mark found on many professional tapes. If your tape does not show 32nds, use the decimal 0.90625 with a digital caliper.
To find half of any tape measure measurement, enter it in TapeMath and tap the Half It button. The result appears instantly on the visual tape.