Compare calculators

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

Air Travel Carbon Calculator

Estimate CO₂ emissions for any flight by entering distance, cabin class, and number of passengers. Essential for frequent flyers calculating their annual aviation footprint or offsetting a specific trip.

Flight Distance (miles)

Number of Passengers (people)

Flight Type

Seating Class

Trip Type

Fill in the required fields to see your result.

Carbon Footprint

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.

Key differences

	Air Travel Carbon Calculator	Weekly Food Carbon Calculator
Category	Carbon Footprint	Carbon Footprint
Inputs required	5	4
Result	Total CO2 Emissions (lbs CO2)	Annual food CO2 emissions (kg CO2)
What it does	Estimate CO₂ emissions for any flight by entering distance, cabin class, and number of passengers. Essential for frequent flyers calculating their annual aviation footprint or offsetting a specific trip.	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.