What is the diameter of a 45 lb olympic plate

A 45 lb plate size dimension is intended to be 450mm (17.72 ″). This is the IPF (International Powerlifting Federation) and IWF (International Weightlifting Federation) policy dimension.

This goes with the majority of designs of olympic plates, including:

• Bumper Plates — Solid rubber plates used for the clean-and-jerk and also the nab in Crossfit as well as olympic weightlifting. See listed below for even more on this.
• Powerlifting Discs — Solid steel calibrated plates utilized in powerlifting competitors.
• 45lb or 100lb Cast Iron Plates — Some 45lb as well as 100lb actors iron plates are made to the 450mm specification. This includes rubber or urethane covered plates that are just covered on the surface as well as are mainly cast iron. Yet models can vary from 430mm to 470mm.