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 / Energy

Estimate the annual CO₂ equivalent emissions from your home electricity use, given monthly kWh consumption and the carbo...

basic

11,773 4.7 1 min

Ecology / Energy

Estimate the annual generation (kWh) and electricity-bill savings from a rooftop solar PV system, given system size, pea...

basic

10,591 4.5 1 min

Ecology / Energy

Estimate the solar panel system size needed to cover your monthly electricity usage given local sun hours and system eff...

basic

24,023 4.6 1 min

Ecology / Energy

Estimate the monthly electricity cost of an appliance from its wattage, daily use, and your tariff.

basic

5,103 4.3 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.