Al, to calculate how much a piece of steel weighs, here's the formula. length in inches x width in inches x thickness in .001" x .2833 = pounds. The plates weigh 19.12# each.
You know I can't do math. I used a weight scale.
I know you and flip flops. Fingers and toes to count, fingers and toes. Beats an abacus any day of the week!