Carbon Footprint Master Calculator
Complete carbon footprint calculator — estimate your total emissions, analyze commute impact, compare EV vs gas vehicles, and calculate carbon offset costs.
Step 1 of 8
How to Use This Calculator
- Enter your annual energy consumption: electricity (kWh), natural gas (therms), and heating oil (gallons).
- Input your annual vehicle miles driven and fuel type.
- Set the number of flights taken per year and average flight distance.
- Enter dietary patterns and waste habits in the relevant fields.
- Review your total annual carbon footprint in metric tonnes CO₂e and compare to national averages.
How the result changes with Vehicle MPG
| Vehicle MPG | Total Annual CO₂ |
|---|---|
| 15 | 13.03 tons |
| 38 | 8.72 tons |
| 67 | 7.51 tons |
| 91 | 7.09 tons |
What each input means
- Calculator Mode
- Calculation mode to use.
- Monthly Electricity
- US average ~900 kWh/month
- CO₂ to Offset
- US average is ~16 tons/person
How this is calculated
Formula
CO₂ (tons) = Miles / MPG × 19.6 lbs/gal ÷ 2204.6 | Total = Driving + Electricity + Gas + Flights + DietRelated Calculators
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