Greenhouse Gas Equivalents Calculator
Convert different greenhouse gases to CO2 equivalents using global warming potential factors over different time horizons
About this calculator
The Greenhouse Gas Equivalents Calculator converts various greenhouse gases like methane, nitrous oxide, and fluorinated gases into CO2 equivalents using scientifically established Global Warming Potential (GWP) factors. This tool helps environmental professionals, businesses, and researchers standardize emissions reporting across different time horizons (20, 100, or 500 years). By expressing all greenhouse gases in CO2 equivalents, users can accurately compare the climate impact of different gases and make informed decisions for carbon accounting, sustainability reporting, and climate action planning.
How to use
Select the greenhouse gas type from the dropdown menu, enter the quantity in appropriate units (tonnes, kilograms, etc.), and choose your preferred time horizon (20-year, 100-year, or 500-year GWP). The calculator will instantly convert your input to CO2 equivalents using IPCC-approved conversion factors, providing standardized results for emissions reporting and analysis.
Frequently asked questions
What is Global Warming Potential (GWP)?
GWP measures how much heat a greenhouse gas traps compared to CO2 over specific time periods, with CO2 having a GWP of 1.
Which time horizon should I use for calculations?
Use 100-year GWP for standard reporting, 20-year for short-term impacts, or 500-year for long-term climate planning as required by your framework.
Which greenhouse gases can this calculator convert?
The calculator handles major greenhouse gases including methane (CH4), nitrous oxide (N2O), and various fluorinated gases like HFCs, PFCs, and SF6.