Average MPG is calculated by excluding the initial and missed fuel ups, then taking the difference between the min and max odometer reading and dividing it by total amount of gas consumed(if Metric then it is further divided by 1/100). This method will include all of the gas consumed by full and partial fuel ups.
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## Fuel Units
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The consumption, fuel mileage, and odometer units are determined by two settings: "Use Imperial Calculation" and "Use UK MPG Calculation"
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| Setting | Use UK MPG Calculation Checked | Use UK MPG Calculation Unchecked |
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| -------- | -------- | -------- |
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| Use Imperial Calculation Checked | Distance: Miles, Consumption: Liters, Fuel Mileage: Miles per UK Gallons | Distance: Miles, Consumption: Gallons, Fuel Mileage: MPG |
If you wish to see alternate units which converts the calculated units within the Gas Tab, you can right click on the table headers for Consumption and Fuel Economy. These settings persists for the user, so the next time you login to LubeLogger it will automatically perform the conversion for you.
For consumption, the units are cycled between US gal, Liters, and Imp Gal(UK). Changing the consumption unit will also change the unit cost.
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#### Fuel Economy
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The units can only toggle between l/100km and km/l, which means that this unit cannot be converted if your fuel economy unit is not l/100km. Changing the fuel economy unit will also update the values in the Average, Min, and Max Fuel Economy labels as well as the Fuel Economy Unit in the Consolidated Report.
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## Importing from CSV/Fuelly/SpiritMonitor.de
LubeLogger supports importing CSV exports from other apps, below lists the column names that are acceptable/mapped to our data points:
