Impossible to know without knowing the density of the fluid your measuring.
40 pounds of air = Lots of gallons.
I'm guessing that you mean water ... so 40 pounds of fresh water at 68 degrees is about 4.8 gallons (8.33 pounds per gallon at standard conditions)
40 stone = 560 pounds
1 pound is equal to 453.592 grams, so 40 pounds is equal to 18,143.68 grams. There are 1,000 milligrams in 1 gram, so 40 pounds is equal to 18,143,680 milligrams.
Just about 84 pounds.
No. 40,000 pounds are equal to 20 tons, and 40 tons are equal to 80,000. Hope this helps!
There are 10 gallons in 40 quarts. This is because 1 gallon is equal to 4 quarts, so to convert quarts to gallons you would divide by 4.
About 334 pounds for 40 US gallons.
40 gallons is approximately equal to 151.4 liters.
40 US gallons = 151.4 litres while 40 Imperial gallons = 181.8 litres.
40 gallons = 151.4 liters
40 stone = 560 pounds
5 gallons
Water weighs approximately 8 pounds per gallon, so 5 gallons weigh about 40 pounds.
1 pound is equal to 453.592 grams, so 40 pounds is equal to 18,143.68 grams. There are 1,000 milligrams in 1 gram, so 40 pounds is equal to 18,143,680 milligrams.
Just about 84 pounds.
(40 quarts) divided by (4 quarts per gallon) = 10gallons
At 8 pints to the gallon, that would be 40 pints.
40 ounces = 2.5 pounds