Easy calculation app of how much of each gas to mix in to get a desired mixture of e85.

This app is a great help when you want to run your car on a ethanol mixture that is not available straight from the pump.

This application helps you calculate how much of each gas to put in the tank to get a desired mixture of ethanol in the tank. For example if you have 20 liters/gallons of e10 petrol in the tank and want to get e40 this app will help you to calculate that you need to add 13,3 liters/gallons of e85 to get e40.