What is the diameter of a dime?

Denomination, Cent. 2017 Lincoln Penny Uncirculated Obverse Philadelphia. Nickel. 2017 Jefferson Nickel Uncirculated Obverse Philadelphia. Dime ... Diameter, 0.750 in. 19.05 mm, 0.835 in. 21.21 mm, 0.705 in. 17.91 mm, 0.955 in. 24.26 mm, 1.205 in. 30.61 mm, 1.043 in. 26.49 mm. Thickness, 1. read more

The silver percentage was increased to 90.0 percent with the introduction of the Seated Liberty dime; the use of a richer alloy was offset by reducing the diameter from 18.8 millimeters (0.740 inch) to its current figure of 17.9 millimeters (0.705 inch). read more