Carbon Footprint Calculator

Add rough monthly CO₂e from car miles, kWh, flight hours, and red-meat meals.

Car miles / mo

Home kWh / mo

Flight hours / mo

Red-meat meals

Calculated Result

756 kg CO₂e

Formula: Static factors: 0.404 kg/mi, 0.4 kg/kWh, 90 kg/h flight, 6.5 kg/meal

About this calculator

Factors are order-of-magnitude (0.404 kg/mi, 0.4 kg/kWh, 90 kg per flight hour, 6.5 kg per meat meal). Grid mix and aircraft type will differ.

FormulaΣ activity × static emission factor

Sum each activity times its factor.

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