Ecology

Carbon footprint, water, energy and waste calculators to measure and reduce your environmental impact.

Car Carbon Footprint Calculator

Estimate the CO₂ your car emits per year from distance, fuel consumption and fuel type.

Estimate the CO₂e of a flight per passenger, by distance and haul type, with a car-distance equivalent.

Convert your electricity use into CO₂ using your grid’s carbon intensity.

How many trees does it take to absorb your CO₂ emissions? Based on ≈22 kg per mature tree per year.

How much water do your showers use per week and per year? Duration × flow rate, with yearly total in m³.

Turn your weekly bottled-water habit into kilograms of plastic and CO₂ per year.

How much energy and money do you save by switching your bulbs to LED?

Estimate the yearly production and value of a solar installation from its size and your climate.

Estimate the yearly CO₂e of your meat consumption by type, servings and portion size.

Convert your daily printing into sheets, kilograms of paper and trees per year.