17.9mm convert to inches = 0.70747in / or exactly 0.7047067289in
17.9mm is the diameter of a dime..705 inches 17.91 mm
A US dime's width or diameter is 0.705 inch.
.705 inches (17.91 mm)
The diameter of a dime is 0.705 inches. That's 0.05875 feet.
The dime has a diameter of 1.791 cm.
The diameter of a dime is 1.79 centimeters. This is .705 of an inch and 17.9 millimeters. A dime is the smallest piece of change in American currency.
dime -- 17.9 mm diameter, 1.35 mm thickness
The inches in a diameter = 2 X inches in the radius. Or, inches in a diameter = inches in circumference / pi
Around the diameter of a dime.
I do not know the diameter of a US dime and, to be honest, do not care. However, for the benefit users of Answers.com, firstly, not everyone knows the size of a dime and secondly I do not for a moment believe a US coin would be 18 centimetres = 7 inches (approx) in diameter! <><><>><>><> 18 centimeters equals approximately 7.09 inches. My hand is of average size and it is about 18cm long.