Compare calculators

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

Shopping Carbon Calculator

Estimate the annual CO2 emissions generated by your clothing, electronics, and general goods purchases. Use this when auditing your consumer lifestyle's environmental impact.

Monthly clothing spending ($)

Monthly electronics spending ($)

Other goods spending ($)

Fill in the required fields to see your result.

Carbon Footprint

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

Fill in the required fields to see your result.

Key differences

	Shopping Carbon Calculator	Home Energy Carbon Calculator
Category	Carbon Footprint	Carbon Footprint
Inputs required	3	3
Result	Annual shopping CO2 emissions (kg CO2)	Annual home energy CO2 emissions (kg CO2)
What it does	Estimate the annual CO2 emissions generated by your clothing, electronics, and general goods purchases. Use this when auditing your consumer lifestyle's environmental impact.	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.