12" x 12" x 1"= 144 cubic inches, which is equal to .623 gallons therefore a one thousand square foot roof receiving one inch of rain will catch 623 gallons.
A board foot is 1' by 1' by 1", so it is 200 square ft 1 inch thick.
16foot
1 and 1/2 gallons
1 square inch
A square inch is one inch by one inch. like it is 1 inch tall and 1 inch long. An inch is just a measure of a line. so it is the same size. it is just a square.
square feet
One square inch is 1/144 of a square foot.1 square inch = 0.006944 square foot (rounded)1 square foot = 144 square inches
One inch of rain over one square foot is 1/12 cubic foot of water. A cubic foot of water weighs about 62.4 pounds. 1/12 of that is about 5.2 pounds.
1 square inch = 0.006944 square foot (rounded) 1 square foot = 144 square inches
Yes, a square foot is 12 times bigger than a square inch. You use this same conversion as if it were not squared; an inch is smaller than a foot.
1 square ft= 144 square inch
1 gallon
Gypsum or plaster board3 3/8 inch 1.56 pounds per square foot 1/2 inch 2.08 pounds per square foot 5/8 inch 2.60 pounds per square foot
7,480.52 gallons for every inch of depth
You probably know that "foot" is bigger than "inch", and that might lead you to suspect that "square foot" is bigger than "square inch". You'd be right. 1 square foot has 144 square inches in it.
12
There are 2.54 cm in one inch or 25.4 mm in one inch or (25.4)2 mm2 in 1 sq..inch. There are 144 square inches in a square foot, therefore there are (25.4)2 x 144 square mm in one square foot. This is 92,903 mm2