CalculatE85 app for iPhone and iPad

CalculatE85 is a fast, simple and full-featured E85 calculator you can use to reach and maintain an octane rating or ethanol percentage in your vehicle. Set up any fuel goal and never re-enter information after you close the app. No other E85 calculator is as flexible, easy and accurate!

• Information about your car, fuel goals and pumps are set up once and easily swapped out when they need to be changed.
• Enter the amount of fuel you fill up with while at the pump. The calculation will update to keep you on the right track if you under/over fill with the first pump. This prevents errors you get when using other E85 calculators!
• See messages explaining what to do if the calculation cannot complete with the information given.
• Your cars octane and ethanol percentage are updated each time you save a calculation. You will always be on the mark after the first time setup!

You can use CalculatE85 even if youre just going to a higher octane fuel. Since you are always mixing fuel in your cars gas tank, you should fill up with something higher than your goal to truly reach your target!

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Please note that the creators of this app will not be held responsible for damages to your vehicle. Make sure to test pumps you plan to use for their true ethanol percentage and octane ratings before using them to mix fuel.