Calculating the gas cost of a trip is a smart trick to budget travel expenses.
The general rule is that about two-thirds of your cost of gas at the pump is determined by crude oil cost. The rest is a combination of taxes, refining, distribution and marketing.
Formula to calculate gas cost.
If your mpg is 20 and your planning to travel for 800 miles, calculate your gas cost if the current price of gas per gallon is $ 2.
Therefore, the gas cost is $ 80.