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CO2e Calculator – What to Consider When Choosing One?

Emma Valli

Marketing Coordinator

Biocode, CO2 Calculator

As businesses strive to reduce their environmental impact, CO2e calculators have become essential tools for measuring greenhouse gas (GHG) emissions. These digital tools provide valuable insights into a company’s carbon footprint, helping to inform sustainability strategies. But with many options available, how do you choose the right one?

Understanding Your Needs

First, identify your specific requirements. Are you calculating emissions for regulatory corporate sustainability reporting, or do you need to assess the carbon footprints of your products? This initial step will narrow down your choices and simplify your comparison.

  • Regulatory Compliance: If you need to report your company GHG emissions for compliance purposes, look for calculators that align with frameworks like the GHG Protocol.
  • Product Carbon Footprint: For product-specific assessments, ensure the tool can handle methodologies such as ISO Standards, PEF, or IPCC’s guidelines.

Evaluating Methodologies & Emission Factors

Before selecting a CO2 equivalent calculator, delve into the methodology it uses. Depending on your needs, you might require a tool that follows the GHG Protocol for CSRD reporting. For product-specific calculations, methodologies like ISO Standards or PEF may be more appropriate. These methodologies can vary, so it’s crucial to understand which framework the calculator uses and when.

  • Emission Factor Data Bank: Check if the calculator provides a reliable data bank. Look for transparency regarding the source of emission factors and the year they were modeled.
  • Custom Emission Factors: Ensure the tool allows you to input your own emission factors, which is vital if you have specific data from suppliers.

Usability and Transparency

You’re opting for a digital tool instead of manual Excel exercises for a reason. Ensure that the software’s design is user-friendly, and that the user interface provides sufficient information about the emission factors used, their sources, and the calculation methodology. The results should be easy to read and detailed enough. For example, company Scope 1-3 GHG emissions should be divided by location and market-based emissions, and biogenic and fossil emissions should be separated.

Sometimes, all this information might not be available on the website. Some CO2e calculators offer a clickable demo, free trial, or other product tours. Examine these closely and create a shortlist based on this information. It’s easier to attend sales meetings with some knowledge of the tool and a list of detailed questions and requirements.

Real-World Examples

Hailia reduced its carbon footprint by 10% using Biocode’s CO2e calculator, aligning its operations with sustainability goals.

Read the case story
Hailia Pulled Small Fish

Conclusion: Making the Right Choice

Choosing the best CO2e calculator for your business requires a good grasp of climate science, business practices, goals, and strategy. This process will likely be ongoing, as you’ll need to track your emissions over time to ensure continuous improvement. By paying attention to these factors, you can select a tool that meets your needs and helps you achieve your sustainability objectives.


Ready to take the next step? Start evaluating CO2e calculators today and find the one that aligns best with your business needs and sustainability goals.

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