Welcome to the simplest sim racing fuel and laps calculator around!
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Simply enter your average lap time (or the time of the leaders if you want to see how many laps they will do) and pop in the total race time. This will show you how many laps to expect.
You can then add your fuel usage per lap and you can see how much fuel you'll need for the whole race! Don't forget to add some for a formation lap if there is one.

Works with any sim, including Assetto Corsa, Assetto Corsa Competizione, RaceRoom, Automobilista 2, iRacing, F1 24, Forza Motorsport and many more.