Understand Your Impact. Start Your Journey to Net Zero.

Calculating your carbon footprint is the essential first step to taking credible climate action. As the UK's original and most trusted provider, our free online calculators are backed by over 20 years of expertise to give you a clear, accurate, and reliable measure of your impact.

For Your Home & Lifestyle

Simple, Powerful, and Eye-Opening

Understand your personal impact on the planet. Our Sustrax Vita calculator is a free, powerful, and easy-to-use tool designed to help you measure your carbon footprint from your home, travel, and lifestyle in just a few minutes.

Sustrax Vita User Interface

Find the Right Sustrax for Your Business

Sustrax is designed to be the perfect fit for your business, no matter your size or complexity. We provide a clear pathway to grow, from free tools for micro-businesses to our powerful enterprise platform.

For Small & Medium Businesses (SMEs)

Powerful, Scalable, and Easy to Use

Our Sustrax Lite, X, & XL tiers are designed to grow with you. Start for free, get a credible footprint, and upgrade to access powerful features like live dashboards, target setting, and automated reporting as you scale.

For Large Corporates & Enterprise

The Enterprise-Grade Platform for Complex Needs

Sustrax MX is our most powerful platform, designed for the complexity of large corporate footprints, multi-users, multi-site data collection, detailed reporting (SECR, SEC, CSRD), and supply chain data management.

 

Your Calculation is Complete. Ready to Make an Impact?

Understanding your footprint is the first step. The next is to take credible climate action. While developing a reduction strategy is the long-term goal, you can take immediate responsibility for your unavoidable emissions today.

Our Carbon Offset Marketplace (COMP) makes it simple to support the highest-quality, independently-rated climate projects from around the world.

Reduce what you can. Offset the rest with confidence.
Visit the Marketplace & Take Action Now