Carbon footprint calculator

Know your numberbefore you offset it.

A few inputs, cited factors, one figure. Built on DEFRA conversion factors, the GHG Protocol scope structure, and the CEA grid factor for Indian electricity. No sign-up.

Step 1 of 4 · About you

Your nameOptional — used only to address the result.People in your householdElectricity and cooking gas are shared, so we divide them by this. It matters more than anything else on this page.peopleAge groupWhat you do

Age and occupation do not change the arithmetic — there is no published emission factor for either. We ask so the result can be put in context, and we say so rather than implying a precision we do not have.

Running estimate

1.70tCO₂e / year

PRAN never creates carbon credits. This tool estimates footprints only.

Method

Where every factor comes from.

An estimate is only as good as what sits behind it, so the sources are named rather than summarised as “industry standard”.