Your estimated footprint
14.1
tonnes CO₂e / year
Your biggest source is Home energy at 48% of your total.
Put another way
Your carbon footprint is equivalent to any one of these on its own, not all of them added together:
Rough equivalents for scale, not real offsets. Source: US EPA Greenhouse Gas Equivalencies Calculator; see methodology for each factor.
Breakdown by category
Estimated annual CO₂e emissions by category
| Category | Tonnes CO₂e per year | Share of total |
|---|---|---|
| Home energy | 6.8 | 48% |
| Transportation | 3.9 | 28% |
| Food | 2.4 | 17% |
| Flights | 0.6 | 4% |
| Shopping | 0.4 | 3% |
- Home energy: 48%
- Transportation: 28%
- Food: 17%
- Flights: 4%
- Shopping: 3%
Where United States's electricity comes from
- Renewables: 26%
- Nuclear: 17%
- Fossil fuels: 57%
The generation mix behind the electricity factor used in your home energy (and EV charging, if applicable) estimate. Source: Ember, Global Electricity Review (via Our World in Data).
How you compare (United States)
Country and world averages cover a person's total footprint across the whole economy (industry, government, exports, and more), not just the categories in this calculator, so they're usually much bigger than your number above even for an average lifestyle. Source: Jones et al., National contributions to climate change (via Our World in Data), 2024.
Your biggest opportunities
A few realistic changes and the difference they'd make to your annual footprint.
- 1
Drive 30% less
Combine errands, carpool, or bike for short trips.
14.1 t12.9 t(-1.2 t/yr) - 2
Eat less beef
Swap half your beef meals for vegetarian meals.
14.1 t13.3 t(-0.8 t/yr) - 3
Cut home electricity use by 15%
LED bulbs, smart thermostats, and unplugging idle electronics add up.
14.1 t13.5 t(-0.6 t/yr)
Curious where these numbers come from?
Every factor used above is sourced and documented on the methodology page.