A sun is 1.193 inches according to Wikipedia's entry for Japanese units of measurement at http://en.wikipedia.org/wiki/Japanese_units_of_measurement. So 8.5 sun is 10.1405 inches. I'm no expert, but that seems to be a fairly standard tsuka length for a katana with a 2.45 shaku (29.2285 inch) blade, if that was your reason for asking ;-)
There are 2.54 centimeters in an inch. That divides out to 33.46 inches.
85 inches = 7 ft 1 inch
There are 85 inches in 85 inches.
There are 12 inches in 1 foot. 85 in. * (1 ft./12 in.) = 7.0833 ft. Therefore, 85 inches equals approximately 7.1 feet.
85 inches is 7 feet and 1 inch or 215.9 centimetres or 2.15 metres.
85 inches is 215.9cm
85 85 inches
33.4645669 inches 85/2.54
85/2.54 = about 33.46 inches
That is 36,720 inches
85 millimeters is equal to 3.3464567 inches.
There are 215.9 millimeters in 8.5 inches. 8.5 inches x 25.4 millimeters/1 inch = 215.9 millimeters. 1 inches = 25.4 millimeters