Emissions Calculators
Ammonia Emission Calculator (Livestock)
Calculate total ammonia (NH3) emissions from livestock manure and urine based on animal count and per-animal emission rate.
Black Carbon Emission Calculator
Calculate black carbon (soot) emissions from fuel combustion and estimate CO2-equivalent climate impact.
Carbon Emission Calculator
Calculate the elemental carbon mass emitted from combustion, before converting to CO2.
Carbon Footprint Calculator
Calculate the carbon footprint (CO2 equivalent) of a combustion process from fuel quantity and a standard emission factor.
Carbon Offset Cost Calculator
Calculate the total cost to purchase carbon offsets for a given amount of CO2 emissions at a chosen price per tonne.
CO Emission Calculator
Calculate carbon monoxide (CO) emissions from heat input and a CO emission factor.
CO2 Emissions Calculator
Calculate CO2 emissions from fuel mass burned and its carbon content percentage.
Embodied Carbon Calculator
Calculate the embodied carbon (CO2 emissions from extraction, manufacturing, and transport) of a construction material by mass.
Emission Factor Calculator
Calculate a site-specific emission factor from measured pollutant mass and fuel quantity burned.
Emissions Intensity Calculator
Calculate emissions intensity (CO2 per unit of output, revenue, or production) to compare efficiency across organizations of different sizes.
Flight Emissions Calculator
Estimate CO2 emissions from a commercial flight based on distance and number of passengers.
Gas Flaring Emissions Calculator
Calculate CO2 emissions from natural gas flaring based on the volume of gas flared.
Greenhouse Gas Calculator
Calculate combined CO2-equivalent emissions from CO2, methane, and nitrous oxide using standard global warming potential factors.
Methane Emission Calculator
Calculate unburned methane emissions from natural gas volume and methane slip percentage.
N2O Emission Calculator (Agricultural Fertilizer)
Calculate nitrous oxide (N2O) emissions from nitrogen fertilizer application using the IPCC default emission factor approach.
NOx Emission Calculator
Calculate nitrogen oxide (NOx) emissions from heat input and a NOx emission factor.
PM Emission Calculator
Calculate particulate matter (PM) emissions from fuel mass burned and a PM emission factor.
SO2 Emission Calculator
Calculate sulfur dioxide (SO2) emissions from fuel mass burned and its sulfur content percentage.
Vehicle Emissions Per Mile Calculator
Calculate grams of CO2 emitted per mile driven based on a vehicle's fuel economy (MPG).
VOC Emission Calculator
Calculate Volatile Organic Compound (VOC) emissions from paints, coatings, and solvents based on material used and VOC content percentage.
Quantifying What Goes Into the Air
Emissions are not one number — carbon dioxide, methane, nitrogen oxides, and particulate matter all come from different sources at different rates and carry different environmental effects. These ten calculators convert fuel use and process data into standardized emission figures.
CO2 Output Varies a Lot by Fuel
| Fuel Source | Approx. CO2 per kWh Generated |
|---|---|
| Coal | ~2.2 lbs |
| Natural Gas | ~0.9 lbs |
| Solar / Wind | Near zero (generation phase) |
Natural gas produces roughly 60% less CO2 per unit of electricity than coal, which is a large part of why fuel-switching has been one of the fastest available levers for reducing power-sector emissions. Calculate your own energy source's footprint with the CO2 Emissions Calculator or Greenhouse Gas Calculator.
Popular Emissions Calculators
- Carbon Footprint Calculator — totals estimated CO2-equivalent output from combined activities and energy use.
- NOx Emission Calculator — estimates nitrogen oxide output from combustion temperature and fuel data.
- Emission Factor Calculator — converts activity data (fuel burned, distance driven) into a standardized emissions figure.
Related: Environmental Calculators for broader ecological footprint tools, Advanced Combustion Calculators for the combustion chemistry behind these numbers.