Carbon Footprint Calculator
Estimate your annual carbon footprint and discover how to reduce it
What is a personal carbon footprint?
A carbon footprint is the total amount of greenhouse gases (GHGs) emitted directly or indirectly by a person. It is measured in tonnes of CO₂ equivalent (tCO₂e) per year. The world average is about 4.8 tonnes/year, while the Canadian average is 14.2 tonnes/year.
Main emission sources
Transportation (29%): personal car and flights dominate. Food (19%): beef has a footprint 20x higher than legumes. Housing (17%): heating and air conditioning. Consumption (15%): clothing, electronics, etc.
How to reduce your footprint?
Eliminating one transatlantic flight per year: saves about 1.5 tCO₂e. Switching to a vegetarian diet: saves about 0.5 tCO₂e/year. Using public transport instead of a car: saves 2.4 tCO₂e/year. Every action counts in the fight against climate change.
Why choose OmniTools?
OmniTools brings together 20+ carefully crafted online tools built by our team. Every tool is designed to be fast, accurate and usable without sign-up. We believe essential everyday utilities — calculators, converters, generators — should be freely available with a clean interface and no intrusive ads. Our commitment: your data never leaves your browser.
Our tools are used daily by students, real-estate professionals, developers, designers, travelers and curious minds. Each tool comes with detailed documentation, formulas, reference values and practical tips to help you get the most out of it. We regularly ship new tools and improvements based on community feedback.
Frequently asked questions
Is this tool really free?
Yes, OmniTools is completely free, with no sign-up and no usage limit. No credit card required.
Is my data sent to a server?
No. All calculations and conversions run in your browser. Your data stays private on your device.
Does it work on mobile?
Yes, the interface is fully responsive and optimized for smartphones, tablets and desktops.
How often is the tool updated?
We continuously improve our tools based on user feedback to guarantee accuracy and reliability.