Posted by Capt. Duck on May 31, 2005 at 14:00:54:
In Reply to: How Much Does An Ice Cube Weigh? posted by Mike Barnett on May 30, 2005 at 15:14:27:
It was stated that for 1st & 2nd places the "difference was .13/100 of a pound".
I'm assuming the weight difference was was intended to be stated as 0.13 of a pound which is the same as 13 hundredths and not ".13/100" which is 13 ten thousandths. If it's not 0.13 then the calculations below are incorrect.
Ice weighs slightly less than water, that is why it floats but for this calculation well say they are the same. Actually if the true weight of ice were used, it would indicate and even larger ice cube.
For a 1 cubic inch ice cube:
water wt. = 62 lb / cu. ft.
water wt. = 62 lb / 1728 cu. in.
water wt. = 0.036 lb / cu. in
If my assumption on the weight difference is correct. The size of the ice cube needed to weigh .13 pound is:
(0.13 lb) X (cu. in. / 0.036 lb.) = 3.6 cu. in.
A 3.6 cu. in. cube would have the dimensions of:
1.53 in. X 1.53 in X 1.53 in. which is larger than most ice cubes I have seen in coolers at weigh-ins. That would be about the size from one of the old metal ice cube trays with the metal dividers.
Good Fishin'
"Duck"