For other uses, see Flea (disambiguation). Fleas are small flightless insects that form the order Siphonaptera. As external parasites of mammals and birds, they live by consuming the blood of their hosts. Adults are up to about 3 mm (0.12 in) long and usually brown.
Numbeo allows you to calculate gas prices and gas consumption using information about: 1  fuel efficiency (car consumption for 100km or miles per gallon). 2  distance you are planning to travel (or cities which you intend to visit on your journey).y using car consumption and travel distance, our tool shows you approximately how much gasoline (petrol) your car will consume, an approximate price and also estimates how much will your car depreciate during that trip.
AAA calculated the average costs for six different car types based on the ownership costs in the study. It found that the average cost of all sedans -- the majority of cars on the road -- is 60.8 cents per mile or $9,122 annually, based on 15,000 miles of driving.