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Fuel & trips
Split Fuel Cost Calculator
Carpool or road trip with friends: the share of fuel each person should pay.
Formula
Share per person = Total cost / Number of people
Assumptions
Consumption and price held constant over the period: seasonal, driving-style and price variations are not modelled.
How to read it
To be fair, share tolls too and count the driver as one of the people. Many carpooling guidelines add 20–30% on top of fuel to cover vehicle wear.