Carbon Footprint Calculator

Calculate your personal carbon footprint. See emissions from transportation, home energy, food, and shopping. Get personalized reduction tips.

Transportation

Car Miles / Week

Car MPG (fuel efficiency)

Short Flights / Year (<500 mi)

Medium Flights / Year (500-1500 mi)

Long Flights / Year (>1500 mi)

Home Energy

Electricity (kWh / month)

Natural Gas (therms / month)

Home Size

Diet

Average mixed diet: ~2.5 tons CO2/year

Shopping

Monthly Spending on New Goods ($)

Your Carbon Footprint

Total Annual Emissions

15.02

metric tons CO2 / year

Global Avg (4t)US Avg (16t)

Between global and US average

Total

15.02t

Transportation

4.32 tons (28.8%)

Home Energy

7.86 tons (52.3%)

Diet

2.50 tons (16.6%)

Shopping

0.34 tons (2.3%)

Transportation

4.32

tons CO2/yr

Home Energy

7.86

tons CO2/yr

Diet

2.50

tons CO2/yr

Shopping

0.34

tons CO2/yr

Top 5 Personalized Reduction Tips

Switch to LED bulbs and smart thermostat

Save ~1.18 tons/year

Home Energy

Consider renewable energy or green power plan

Save ~4.71 tons/year

Home Energy

Carpool or use public transit 2 days/week

Save ~1.30 tons/year

Transportation

Switch to a more fuel-efficient or electric vehicle

Save ~2.16 tons/year

Transportation

Try Meatless Mondays (reduce meat 1 day/week)

Save ~0.38 tons/year

Diet

Carbon Offset Estimate

Low Estimate ($15/ton)

$225

per year

High Estimate ($50/ton)

$751

per year

Carbon offset costs vary by provider and project type. Prices range from $15/ton (forestry projects) to $50+/ton (direct air capture). Reducing emissions directly is always more impactful than offsetting.

How to Use Carbon Footprint Calculator

1Enter your transportation habits
2Add home energy usage
3Select your diet type
4Review total emissions and reduction tips

Frequently Asked Questions

What is the average carbon footprint?▾

The average American has a carbon footprint of about 16 tons of CO2 per year, compared to the global average of about 4 tons.

What has the biggest impact on carbon footprint?▾

For most people, the biggest sources are: driving and flying (transportation), home heating and electricity (energy), and meat consumption (diet).

How can I reduce my carbon footprint?▾

Top actions include: driving less or switching to an EV, reducing air travel, improving home insulation, switching to renewable energy, and eating less meat.

About Carbon Footprint Calculator

Calculate your personal carbon footprint. See emissions from transportation, home energy, food, and shopping. Get personalized reduction tips.

NexTool's Carbon Footprint Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.