Finnish carrier Finnair has launched an emissions calculator that uses real quarterly cargo, passenger and fuel figures, rather than “averages and assumptions”.

Kati Ihamäki, Finnair’s VP sustainable development, admitted that the online calculator could give its rivals an insight into figures it wouldn’t normally release.

But she said that transparency was one of Finnair’s “cornerstones of corporate responsibility” and that the calculator’s figures would be “indisputable”.

“The fact that the calculations are based on actual emissions figures is a breakthrough in the airline industry,” Ihamäki said.

Finnair hopes to further cement its reputation as an environmentally responsible airline with its new calculator, available for long-haul journeys between Europe and Asia.

The figures, updated four times a year, are certified by auditing and professional services giant PricewaterhouseCoopers.

For more information visit

Report by Andrew Gough