How much is 2 45 plates on the smith machine?

Each 45-pound plate weighs 45 pounds, and with two plates on each side of the Smith machine, that adds up to 180 pounds (45 pounds x 4 plates). Additionally, the Smith machine bar itself typically weighs around 15 to 25 pounds, depending on the model. So, the total weight would be approximately 195 to 205 pounds.