CarShareGM savings calculator

Find out how much you can save by entering your travel details in the below calculator.

Distance travelled (mi)
£ per year
kg per year
kg per year

Stats assumptions

*Travel cost savings

Travel cost saving calculations are based on the rate per business mile 2017 to 2018. We use a value of 45p/mile.


*Carbon dioxide emissions

We use a value of 319 gCO2/mile emitted for medium petrol car, according National Energy Foundation Simple Carbon Calculator.


To convert from C to CO2, we multiplied the value by 44/12. Source

*Nitrogen oxide emissions

We use a value of 0.145 g/mile emitted for standard petrol car, according to an average of recent data (years 2000 -2017) of car nitrogen oxide emissions.