Sustainability

Instant, private, and free

Carbon Footprint Calculator.

Estimate your annual CO2 emissions and environmental impact

On-device calculationNo signup
01

Set your values

Results update as you type.

Transportation

Home Energy

Lifestyle

Your Total Footprint
17.8 Tons/yr

That's 78% more than the benchmark.

Travel
6.3 Tons
Housing
7.5 Tons
Food
2.5 Tons
Goods
1.5 Tons

Quick Tips to Reduce

  • Switching to one meat-free day a week saves ~0.3 tons/yr
  • Reducing home temperature by 2°C can save ~0.5 tons/yr
  • One fewer long-haul flight can save over 1 ton of CO2
  • Using LED bulbs and drying clothes on a line saves electricity

FAQs

What is a carbon footprint?

A carbon footprint is the total amount of greenhouse gases (including methane and carbon dioxide) that are generated by our actions.

What is the average person's carbon footprint?

The average global carbon footprint is about 4.7 tons per year. In the United States, the average is much higher at approximately 16 tons.

How can I reduce my carbon footprint?

Switching to renewable energy, reducing meat consumption, flying less, and using public transportation or electric vehicles are among the most effective ways to lower your emissions.

Cite this calculator

Canonical URL: https://mathify.one/es/sustainability/carbon-footprint

Cite as: Mathify. (2026). Calculadora de Huella de Carbono. https://mathify.one/es/sustainability/carbon-footprint

Use Cases

Identify High-Impact Areas for Reduction

Break down your footprint by category to see which activities contribute most, helping you prioritize changes.

Example: If driving is the largest contributor, consider carpooling or using public transit more often.

Frequently Asked Questions

How is my carbon footprint calculated?
The calculator estimates your annual CO2 emissions based on inputs like miles driven, fuel efficiency (mpg), public transit usage, flights, and home energy consumption (electricity, gas, oil). It uses average emission factors to convert these activities into equivalent CO2 emissions.
What do the flight inputs mean?
Short flights are typically under 3 hours, and long flights are over 3 hours. Enter the number of each type of flight you take per year. The calculator uses average emissions per flight to estimate your air travel footprint.
Can I reduce my carbon footprint?
Yes. After calculating your footprint, you can identify major contributors. Simple changes like improving fuel efficiency, using public transit, reducing flights, and conserving energy at home can significantly lower your emissions.

Tips & Common Mistakes

Tips

  • Enter accurate annual figures for miles, flights, and energy usage to get a realistic estimate.
  • Use your vehicle's average mpg for the most precise calculation.
  • If you use renewable energy, adjust your electricity input accordingly to reflect lower emissions.
  • Revisit your footprint periodically to track improvements as you adopt sustainable habits.

Common Mistakes to Avoid

  • Forgetting to include all flights, especially short ones, which can add up.
  • Using monthly energy bills instead of annual totals – multiply monthly by 12.
  • Entering miles per month instead of per year, leading to an underestimated footprint.

Last updated: August 13, 2026