e85Cal is a useful utility tool for iPhone users that helps calculate the ethanol percentage goal for their vehicles. This free app, developed by Michael Joe, is fast, simple, and easy to use. With e85Cal, users can quickly determine the amount of standard and ethanol gas to pump into their vehicles based on their specific ethanol percentage goals.

Using e85Cal is straightforward. Users simply need to enter the following information: the size of their gas tank, the ethanol percentage in the standard pump gas, the ethanol percentage in the ethanol pump gas, their target ethanol percentage mix goal, their current ethanol percentage minimum in their vehicle, and their current fuel level percentage.

Once the information is entered, e85Cal provides users with the precise amount of gallons or liters of standard and ethanol gas to pump into their vehicles. This ensures that users achieve their desired ethanol percentage mix without any guesswork.

e85Cal is a reliable and convenient tool for anyone looking to calculate their ethanol percentage goal accurately. Whether you are a vehicle enthusiast or simply want to optimize your fuel efficiency, e85Cal is a must-have app for iPhone users.