Auto & Vehicles v1.4
Simple Fuel Calculator estimates trip fuel volume and cost from distance, efficiency, and price per liter, with metric/imperial units and per-100km comparisons. Works offline, but requires manually entered prices and lacks trip history.
Simple Fuel Calculator is a no-frills Android utility that estimates how much fuel a trip will consume and what that will cost you. Enter distance, fuel efficiency, and current price per liter, and it returns trip cost, fuel volume, and a per-100km breakdown. For anyone who budgets road trips by the kilometer, it removes the mental math.
You start by typing the total trip distance, then add your vehicle's average fuel consumption in liters per 100km, or miles per gallon if that's your preference. The app asks for the current fuel price, though it doesn't pull live pump prices from regional databases, so you'll need to check those yourself. After a tap, it shows the estimated liters required, the projected cost, and a cost-per-100km figure that makes comparing two routes much easier.
The results screen is clean, with each metric spaced out clearly, but there's no history log or the ability to save previous trips for later reference. I found the per-100km figure best for comparing routes. It normalizes cost across different distances.
But everything depends on the numbers you type in. If your vehicle's real consumption is higher than what the manufacturer claims, the estimate will be off, and the app doesn't learn from past trips or let you adjust results after the fact. It also ignores variables like highway versus city driving, air conditioning load, or terrain, so long cross-country hauls through mountains won't give you accurate cost estimates.
Simple Fuel Calculator won't replace a full trip planning suite, and it doesn't try to. There's no widget, no backup, and no multi-stop trip support either. For a single A-to-B journey, it's fine; for planning a road trip with five stops, a spreadsheet is actually less demanding.
Drivers who repeat the same commute or short delivery route will get the most consistent usefulness, since their fuel consumption pattern doesn't change much day to day. It's also a reasonable choice for occasional renters who want a rough idea before returning a car with a full tank requirement. The current build lists Android 6.0 as its minimum, so you won't need a flagship phone to run it. In my testing, unit switching worked without errors. Not every budget calculator gets that right.
Does Simple Fuel Calculator work without an internet connection?
Yes. All calculations happen locally on your device, so it works in areas without mobile coverage.
Does the app support both liters/100km and miles per gallon?
It does. You can switch between metric and imperial units in the settings before entering any numbers.
Why does my estimated cost differ from the actual pump price?
Simple Fuel Calculator relies on the fuel price you enter manually, not live prices, and real consumption often varies based on driving style and traffic. Adjust the input numbers to match your usual driving conditions for a closer estimate.
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