1 micrometre (µm) equals 0.00003937 inches, therefore 0.5 micrometre equals 0.000019685 inches.
19 inches
1303 Nickels stacked up would be roughly 100 inches. A nickel is 1.95mm thick which is 0.07677165 inches thick.
5inches
36 tonnes
That would depend on how thick the polythene sheets were.
It is 9.50 x 7.31 inches and is 0.34 inches thick.
how many bags of cement for a pad 4x7x4 inches thick
3.9 inches
Since the units are incompatible, we can't convert in into in². Inches measures length while inches squared measures area.
1000
12 inches
How many square yards in a 20x18 feet 3 inches thick
A standard queen mattress typically measures 60 inches wide by 80 inches long and about 10 to 12 inches thick. To calculate the volume, you can convert the dimensions to feet: 5 feet wide, 6.67 feet long, and approximately 0.83 to 1 foot thick. This results in a volume of about 25 to 30 cubic feet, depending on the thickness of the mattress.
You have not said what substance you are using a ton of to cover the asphalt.
Those measures are not compatible
19 inches
It depends on what "5 thick" is: 5 inches thick, 5 feet thick, 5 yards thick, 5 miles thick etc.