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GloveBox is used all over the world, so it needs to support different units for fuel entry and fuel economy calculation. You can select two different units in GloveBox, the "Fuel entry unit" and the "Gallons unit". Both are required and you're asked to do this when you first log in to the app. Once you've set them up correctly they're stored in your account and you shouldn't need to change them again. You can update them at any time by going to 'Settings' > 'Units'.

Fuel entry unit

When you enter fuel quantity into GloveBox you can use either litres or gallons. Both US and imperial gallons are supported but the type of gallons you use is determined by the gallons unit, which is described in more detail below.

Every time you add fuel to GloveBox you're prompted to enter the quantity of fuel you've filled up with. If you buy fuel in litres select 'litres', if you buy fuel in either US or imperial gallons select 'gallons'.

If you change the fuel unit any existing fuel entries will not be affected and won't be recalculated automatically. The newly selected unit will be applied to new entries. Fuel entries are stored with the fuel entry unit that was selected at the time, so if you change the unit you may see more than one type of units displayed in the fuel log. Changes can still be made to the previous fuel entries using the unit that was selected when they were created or they can be converted to use the new fuel unit. To convert an existing fuel entry to use the new fuel unit, select it from the fuel log and when the edit screen appears a prompt will ask if you want to change the unit of fuel to the currently selected unit.

If you added any fuel while the wrong fuel entry unit was selected you'll need to change the fuel unit and update the fuel entry with the correct fuel quantity.

Gallons unit

GloveBox calculates fuel economy in miles per gallon (MPG, US or imperial gallons are supported), litres per 100km and km per litre. The gallons unit determines how the MPG figure is calculated.

If you've selected 'gallons' as the fuel entry unit the gallons unit will determine what type of gallons is used (US or imperial). If you've selected 'litres' as the fuel entry unit the gallons unit will only determine how your MPG figures are calculated.

Select the most appropriate gallons unit for your country. If you've set the fuel entry unit to litres and you're not interested in the MPG fuel economy figures you can leave the gallons unit set to imperial gallons.

If you change the gallons unit the MPG figures you see in the fuel log and on the fuel economy chart will be changed to use the new unit. Changing the gallons unit also causes all your cars' statistics to be recalculated, so it may take a few seconds for the setting to be updated.

Odometer unit

Some cars measure their total distance in miles and some in kilometres. The unit you use to enter this distance is selected when you add each car to GloveBox. When you enter fuel, depending on the car you select, you'll be prompted for an odometer reading in either miles or kilometres based on which unit you selected when you added the car.