Ecology calculators

Estimate emissions, resource use, waste, and everyday environmental impact.

Tool map

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12 tools in 3 topics

Travel, energy, and activity emissions estimates.

CO2 Breathing Emission Calculator · Composting Impact Calculator · Flight Emissions Calculator

Waste, composting, water, and resource use.

E-waste Impact Calculator · Water Demand Calculator

Additional ecological estimates.

Home Energy Efficiency Calculator · Tree Benefits Calculator

Select the activity or resource you can measure. Compare scenarios using the same boundaries and assumptions.

Separate a user-factor base flight CO₂ scenario from an optional non-CO₂/radiative-forcing scenario.

Multiply food-waste mass by user-selected avoided-emissions and compost-yield factors.

Calculate transport-only emissions from shipment mass, distance, and a transport factor you enter.

Multiply a device count by lifecycle and recyclable-mass factors you enter.

Convert an entered breathing scenario into CO₂ gas volume and mass for a selected duration.

Compare billed annual electricity intensity with a scenario you enter.

Apply a user-selected lifecycle factor to an entered serving scenario.

Convert an entered item frequency and measured mass into an annual mass scenario.