What is a good footprint?
The global average is about 4 tons per person. The US average is significantly higher, around 16 tons.
Calculator
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Analysis
Interpretation of the current calculator output
Enter values to see detailed analysis and insights.
How to Use
Step-by-step instructions
- 1Enter annual miles driven and your car's MPG.
- 2Enter average monthly electricity (kWh) and gas (therms) usage.
- 3Enter total flight hours per year.
- 4The calculator will estimate your annual CO2 emissions in metric tons.
Total Emissions
Sums the CO2 emissions from driving, electricity usage, natural gas usage, and air travel.
Total = Car + Home + FlightsVariables:
Car(Miles / MPG) x 8.89 kgEleckWh x 0.386 kgGasTherms x 5.3 kgFlightHours x 90 kgExample
Average User
Inputs:
Miles:10,000
MPG:25
Elec:500 kWh/mo
Flights:10 hours
Steps:
- 1.Car = (10000/25) * 8.89 = 3556 kg
- 2.Elec = 500 * 12 * 0.386 = 2316 kg
- 3.Flights = 10 * 90 = 900 kg
- 4.Total = 6772 kg = 6.77 tons
Result:
6.77 Metric Tons