Household carbon footprint calculator

Model your home’s annual emissions the way municipal tools like CoolCalifornia do—across energy, travel, food, and waste. Adjust the tabs, watch tons CO₂e/year update live, and pick high-impact actions. Answers stay in your browser. Educational estimates only—not for official inventories. See for factors, eGRID-style regional rules, and benchmarks.

Household & individual carbon calculator

Estimate your annual footprint across housing, travel, food, and waste.

People in household2occupants

Region

Household income bracket

We estimate electricity emissions using a typical carbon intensity for your region. Cleaner regions mean lower housing emissions—see for the technical factors.

Your estimated footprint

Total tons CO₂e / year

≈ 13.7tons per person

vs US avg (~16 tons / person)

86%

vs ~3 tons / person goal

458%

Food5.00 tons · 18%
Waste1.20 tons · 4%
Housing9.00 tons · 33%
Shopping6.40 tons · 23%
Travel5.87 tons · 21%

High-impact actions

Switch to renewable electricity
Community solar, green power, or rooftop PV can cut housing emissions sharply.
−4.21
Drive less or switch to an EV
Cut annual miles 20%, carpool, or electrify your next vehicle.
−1.87
Try more plant-forward meals
Even a few meatless days per week moves the needle on food emissions.
−1.60
Home energy efficiency upgrades
LED lighting, thermostat setbacks, sealing drafts, and heat-pump water heaters.
−1.35
Start composting food scraps
Keep organics out of landfill methane pathways.
−0.32

Household carbon footprint calculator

Footprint inputs