896048739507 trillion barrels 4236137859617256178356732156738563451675382615438261 drops
The question should read 'How many barrels of oil are there left approx.?' Some people haven't mastered the art of English grammar!
A cooper makes barrels. Not sure how many are left today, but it is a very old profession.
the most widely accepted calulations put it at about 1 trillion. We have already used approx 1 trillion but the second half will be much harder and much more expensive to produce.
250 barrels
That depends what the barrels are of and how much the individual barrels weigh.
1000 barrels
100,000 barrels of oil.
About 85,472,000 barrels per day.
About 85,472,000 barrels per day.
2 million barrels
18.5 barrels (US) = 22 hectoliters
2.5 barrels is 105 US gallons.