Calculate your business emissions
See how your business can start taking meaningful action
The Business Carbon Calculator is powered by Normative and offered for free through the SME Climate Hub. Use it to estimate your company’s full carbon footprint and find quick-win actions to reduce emissions.
Made possible with support from 
Calculating your emissions is a critical first step
The climate crisis is getting worse
To limit the worst effects of climate change, we need to halve emissions by 2030 and achieve net zero by 2050.
Every action helps
Though the individual footprint of an SME might be small, together SMEs contribute a sizable amount to the global carbon footprint. SMEs make up 90% of global business and are the foundation of the world’s value chains.
Helping you on your journey
Many SMEs want to act but may not know where to start. Get free guidance to measure your emissions and create a high-impact action plan.
How the calculator works
01 Create a business profile
Build an overview of your business by adding basic info about your size, sector and market.
02 Add your business data
Add more detail about your electricity, heating, and fuel use, as well as how much you spend on things like travel, computers, or furniture.
03 See your emissions
View a personalized dashboard with a detailed breakdown of your current emissions, and continue your carbon reduction journey.
Get inspired by their stories
The Business Carbon Calculator’s easy to use tool has given us vital insights, allowing our team to understand the extent of our footprint, reduce our emissions and deliver real changes.
Ellis Harris
Business Manager at FieCo Accountancy & Marketing
I was nervous at the prospect of calculating our business emissions but the Business Carbon Calculator was clear and simple to understand, and the process was far easier and quicker than I could have imagined.
Georgie Armour
Operations Director at Tann Westlake
The Business Carbon Calculator has given us the opportunity to accurately and quickly measure our emissions, which in turn has enabled us to set realisitc and measureable target for reduction.
Steph Harris
Practice Manager at Betteridge & Milsom Ltd.
Other resources
What you can do today:
Find the answers to your questions
What’s the relationship between the SME Climate Hub, Normative, and Google.org?
The Business Carbon Calculator is powered by Normative and offered for free through the SME Climate Hub. Normative is the founding software partner of the SME Climate Hub and continues to build technologies to allow SMEs to take more comprehensive, simplified climate action. Normative received support from Google.org in order to create the Business Carbon Calculator.
Why am I leaving this site to access the tool?
Because the Business Carbon Calculator was created by Normative, an SME Climate Hub partner, it’s hosted on their site. Normative has deep expertise in carbon accounting and has created tools to measure your business emissions. You can go back to the SME Climate Hub at the end of your calculation to continue your journey.
What methodology are you using to calculate emissions?
The Business Carbon Calculator follows the Greenhouse Gas Protocol, the widely-used international protocol for carbon accounting. The engine uses science-based emissions data and a combination of business spending and activities to calculate your company’s emissions. Each data point you add to the Business Carbon Calculator corresponds to a specific emission value, to calculate your total carbon footprint. You can learn more here.
How is this tool different from the other tools currently available on the market?
The Business Carbon Calculator is a free tool designed specifically for SMEs and the businesses committed to the SME Climate Hub. It helps SMEs measure both their direct emissions and indirect emissions that come from things like heating and cooling, or are generated as part of their supply chain.
The Business Carbon Calculator is also unique because it’s part of a larger set of SME Climate Hub tools that empower SMEs to make an internationally recognized climate commitment, measure and report on their emissions, and take action to reduce their footprint.
Can’t find the answers? Contact Normative