Compare calculators

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

Weekly Food Carbon Calculator

Estimate annual CO₂ emissions from your diet based on weekly servings of meat, dairy, and vegetables, adjusted for the percentage of locally sourced food. Returns kilograms of CO₂ per year.

Meat servings per week (servings)

Dairy servings per week (servings)

Vegetable servings per week (servings)

Percentage of locally sourced food (%)

Fill in the required fields to see your result.

Carbon Footprint

Household Carbon Footprint Calculator

Estimate your household's total annual CO₂ emissions from electricity, natural gas, driving, flights, and diet. Use it to identify your biggest emission sources and find where to cut back.

Monthly Electricity Usage (kWh)

Monthly Natural Gas Usage (therms)

Annual Car Miles Driven (miles)

Car Fuel Efficiency (mpg)

Round-trip Flights per Year (flights)

Diet Type

Fill in the required fields to see your result.

Key differences

	Weekly Food Carbon Calculator	Household Carbon Footprint Calculator
Category	Carbon Footprint	Carbon Footprint
Inputs required	4	6
Result	Annual food CO2 emissions (kg CO2)	Annual CO₂ Emissions (lbs CO₂)
What it does	Estimate annual CO₂ emissions from your diet based on weekly servings of meat, dairy, and vegetables, adjusted for the percentage of locally sourced food. Returns kilograms of CO₂ per year.	Estimate your household's total annual CO₂ emissions from electricity, natural gas, driving, flights, and diet. Use it to identify your biggest emission sources and find where to cut back.