Carbon & Emissions
Calculators.

Free precision tools — no signup, no ads.

15 Tools

Carbon Footprint Calculator

Estimate your annual carbon footprint in tons of CO2

carbon footprintco2 emissionsgreenhouse gas
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Flight Carbon Calculator

Calculate CO2 emissions from air travel by distance

flight carbonair travel co2flight emissions
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Carbon Offset Calculator

Estimate trees and cost to offset your carbon emissions

carbon offsetcarbon creditsoffset cost
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Tree Planting Carbon Calculator

How many trees to plant to offset your carbon footprint, by species and climate zone

tree plantingreforestationcarbon sequestration
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