One liter is 61.02 cubic inches: 420ci / 61.02 = about 6.9 liters.
1 US gallon = 231 cubic inches 420 US gallons = 97,020 cubic inches
7.0 liters. 1 liter equals about 60.02 cubic inches
420 centimeters is equal to 166.007905 inches
2.59259 cubic yard
35*4*3=420 cubic inches≈0.243055555555556 cubic feet
12 inches = 1 foot, so 500 inches = 41 feet 10 inches.
There are 2.54 centimetres in one inch. Therefore, rounded to two decimal places, 420 centimetres is equal to 420/2.54 = 165.35 inches.
All you have to do is multiply them: 10" X 14" X 3" = 420 cubic inches.
Compute what 7, 5 and 12 inches are in metres and then multiply these three numbers together. Hope this helps, L 7 inches x 0.0254 = 0.1778 metres 5 inches x 0.0254 = 0.127 metres 12 inches x 0.0254 = 0.3048 metres All those multiplied together (height x width x depth) = 0.0069 cubic metres. Unless you absolutely need to, I'd advise going with a smaller unit.
420 cubic feet
1 foot = 12 inches. So, 420 inches = 420 / 12 = 35 feet.
420 mL = .42 L