96 pounds which works out to 3 lbs. per sf of 3/4" MDF.
245 lbs
10 lbs per sf.
A rule of thumb is 25lbs per 1/4" of thickness, so for 3/4" would be around 75lbs.
Yes
3/8" OSB is approximately 1.2 lbs per square foot. A typical 4'x8' sheet, then, would weigh in at slightly under 38.5 lbs.
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about three and a quarter inch.
roulette
20g
.01039 oz per 1cubic inch.
A 4x8 is about 25 pounds - and very fragile.
3/4 as a decimal is 0.75 inch