Approx. how many gallons of water are there in the world?

Question

Approx. how many gallons of water are there in the world?

Answer 1

About 220 million cubic miles of water. Around 1 trillion gallons per cubic mile. Call it 220,000,000,000,000,000 gallons, or 220 quintillion.

Answer 2

I can tell you exactly but not approx.

Answer 3

i can only tell u how many gallons of FRESH water each person would have...40,000,000 gallons.figure out how  many people there r in the world and multiply that by 40,000,000

Answer 4

only the whales know

Answer 5

Source 1: http://www.infoplease.com/ipa/A0004674.h...

326,000,000 cubic miles, which converts to

358,964,190,060,000,000,000 gallons.

Source 2: http://www.lenntech.com/Water-Quantity-F...

1,400,000,000 cubic kilometers, which converts to

369,840,873,300,000,000,000 gallons.

Source 3: http://ga.water.usgs.gov/edu/watercycleo...

332,500,000 cubic miles, which converts to

366,121,451,520,000,000,000 gallons.

So, somewhere around 365,000,000,000,000,000,000 gallons.