Ecology calculators

Carbon footprint, emissions, and sustainability math.

Estimate the footprint of travel, food, and energy choices — with transparent emission factors you can inspect and edit.

Calculators

Ecology / Carbon Footprint

Estimate the annual CO₂ that a young hardwood tree absorbs from the atmosphere (typically about 22 kg per year over the...

basic

16,943 4.3 1 min

Ecology / Carbon Footprint

Estimate the annual CO₂ equivalent emissions from your dietary meat consumption, given a weekly serving size in kilogram...

basic

17,451 5.0 1 min

Ecology / Carbon Footprint

Estimate your annual personal CO₂e footprint from home energy, driving, flying, and diet — with adjustable emission fact...

Featured basic

15,825 4.9 1 min

Ecology / Carbon Footprint

Estimate how many trees you'd need to plant to offset a given CO₂ footprint, with sensible assumptions on tree sequestra...

basic

15,859 4.4 1 min

About this category

Estimate the footprint of travel, food, and energy choices — with transparent emission factors you can inspect and edit.

Missing a calculator in Ecology? We'd love to hear what to build next.