Global Warming Potential Calculator

Convert greenhouse gas emissions to CO2 equivalent using IPCC global warming potential values.

Greenhouse Gas Input

Greenhouse Gas

Amount

Unit

GWP Timeframe

Compare With

GWP Results

CO2 Equivalent

1,000 kg CO2e

1.0000 tonnes

GWP Value

Atmospheric Lifetime

Variable (centuries) years

Equivalent in Methane (CH4) - Fossil

35.84 kg

Ratio: 0.04x

Impact Equivalents

Cars driven for 1 year0.22

Homes powered for 1 year0.13

Round-trip flights NY-LA1.1

Trees to absorb (1 year)45

About GWP

Global Warming Potential (GWP) measures how much heat a greenhouse gas traps compared to CO2 over a specific time period. Higher GWP means greater climate impact per unit mass. GWP values are from IPCC AR6 (2021).