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Both calculators run independently — change the inputs on either side to compare results.

Home Energy Carbon Calculator

Estimate annual CO₂ emissions from your home's electricity and natural gas use, given your monthly consumption and the carbon intensity of your electricity grid. Returns kilograms of CO₂ per year.

Monthly electricity usage (kWh)

Monthly natural gas usage (kWh)

Electricity grid type

Carbon Footprint

Office Carbon Footprint Calculator

Quantify annual CO₂ emissions from your office's electricity use, heating and cooling, and employee commuting. Useful for ESG reports and identifying the biggest reduction opportunities.

Office Area (sq ft)

Number of Employees (employees)

Monthly Electricity Cost ($)

Electricity Rate ($/kWh)

Heating/Cooling Intensity

Remote Work Percentage (%)

Key differences

	Home Energy Carbon Calculator	Office Carbon Footprint Calculator
Category	Carbon Footprint	Carbon Footprint
Inputs required	3	6
Result	Annual home energy CO2 emissions (kg CO2)	Annual Office CO₂ Emissions (lbs CO₂)
What it does	Estimate annual CO₂ emissions from your home's electricity and natural gas use, given your monthly consumption and the carbon intensity of your electricity grid. Returns kilograms of CO₂ per year.	Quantify annual CO₂ emissions from your office's electricity use, heating and cooling, and employee commuting. Useful for ESG reports and identifying the biggest reduction opportunities.