How much carbon does your home emit?
Energy, driving and flights are where most household emissions come from. Enter what you use and we will total it in tonnes of CO₂e, then rank the changes that cut the most.
Home energy
Driving
Flights (return trips per year)
DESNZ 2024 factors: electricity 0.207, gas 0.183 kgCO₂e/kWh; petrol car ~0.27, diesel ~0.26, EV ~0.05 kgCO₂e/mile; short-haul return ~0.5 t, long-haul return ~2.0 t.
Your biggest cuts
Factors and scope
Each input is multiplied by a published conversion factor and summed. Home energy uses DESNZ 2024 figures; a renewable electricity tariff is counted at the grid factor for honesty, because REGO certificates do not change the physical grid mix you draw from.
Driving uses an average per-mile factor by fuel type. Flights use round-trip estimates including the warming effect at altitude. This covers the emissions a household controls most directly. It does not attempt a full consumption footprint (the things you buy), which needs a different method.