E85 calculator
Work out how much E85 and petrol you need to hit your target ethanol content.
How much E85 and petrol to add to the fuel already in the tank to reach your target ethanol content.
Tank
L
L
%
%
Pump fuels
%
%
Add E85–L
Add petrol–L
In tankE85Petrol
Ethanol content of a blend when you know how much of each fuel went in.
Volumes
L
L
Pump fuels
%
%
Ethanol content–%
E85 share–%
Petrol share–%
Split for a fresh batch, such as an empty tank or a jerry can, at a target ethanol content.
Batch
L
%
Pump fuels
%
%
E85–L
Petrol–L
Your values are saved on this device only.