Our carbon calculator

Planes, trains or automobiles? We've got the lightest footprint.

We’re making some pretty huge leaps in reducing our carbon footprint. With the help of Best Foot Forward, you can instantly compare the environmental impact of any journey by train, car and plane.

Simply enter your journey details below and you’ll see just how little impact travelling by train has on the environment, compared to going by car or plane. Red is the new green.

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Carbon Calculator
Alternatively, enter the number of miles

The calculations are based on:

Car = 0.114kg CO2 / pass km. This is derived from the DEFRA CO2 emissions factor for an average petrol car which is 0.180kg CO2 / vehicle km and the average loading for a car: 1.6 people / journey (DfT).

Train = 0.052kg CO2 / pass km. This is derived from the DEFRA CO2 emissions factor