Freshly fallen snow has a density of approx 50 kg per cubic metre but for compacted snow the density can increase to 200 kg per cubic metre. So the answer will depend on the kind of snow you are asking about.
One cubic foot of water is 7.4805 gallons.
There are 7.48052 US gallons per cubic foot.
How many imperial gallons is 30 cubic feet of water?
1,987 cubic feet = 14,860 gallons of water.
There are 8,483 gallons in 1,134 cubic feet of water.
There are 17.66 gallons in 4,080 cubic inches of water.
One cubic foot of water contains: 7.48 gallons.
4,088 cubic feet = 30,580 gallons of water.
One cubic yard = 202 gallons.
There are 264.2 US gallons in one cubic meter of water.
31 cubic feet of water equates to ~231.9 gallons.
1 cubic foot of water is 7.48052 US gallons.