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Press Release: Fortum’s Startup Unit Valkea Growth Club Invests in Finnish Sustainability Innovation
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Calculate your company’s carbon footprint in the next 2 hours – for free.

Our carbon footprint calculator guides you through a simple, step by step process:
  • Learn what emissions you need to calculate
  • Calculate CO2 emissions in compliance with GHG Protocol guidelines
  • Create a shareable report for customers and regulators
Start calculating

You’ve just been tasked with mapping your company’s carbon emissions – and you’re feeling out of your depth.

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You found templates that might be useful, but you aren’t sure you can trust the results.
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You joined a free webinar, but it only covered the basics – not the “how-to”.
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You considered hiring a consultant, but the price left you in despair.

Turn to ImpactOS. It’s easy, fast and free to document your emissions – no expertise required.

Step 1

Identify the emissions you need to measure.

Answer clear-cut questions about your business, and our step-by-step wizard will serve up relevant videos on how to meet all GHG requirements.
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Step 2

Calculate each emission with a simple form.

Input company details like source, location and quantity, and we’ll compute a precise total with speed and accuracy using our emission factor database.
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Step 3

Get a shareable report of your emissions footprint.

We compile your calculations into a detailed emissions breakdown that’s easy to distribute to customers and regulators.
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Stuck? Count on us.

Our sustainability experts have decades of experience working with over 100 companies on targeted initiatives. Reach out for hands-on support.
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Collaborate with team members.

Invite your finance team to take ownership of specific calculations and upload essential documents directly in the tool.

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Validate results with external consultants.

Invite a consultant to review your results and implement additional sustainability actions directly in the tool.

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ImpactOS helps you deliver your first sustainability win.

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Defend your emissions footprint to your customers.
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Be sure you’re meeting sustainability reporting requirements.
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Identify realistic emissions reduction targets using an accurate baseline.
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“ImpactOS helped us save thousands of euros in our emissions calculation with its easy-to-use platform. We implemented the calculation using the platform itself. In this way, we effectively achieved a high-quality end result based on the best-known international calculation standard.”
Tatu Mäkilä, CGO, Founder
Vapaus
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"Thanks to the ImpactOS platform, we have received up-to-date and reliable information, which allows us to develop our operations without fuss. Using the platform is easy. Preconceptions that measuring responsibility would be time-consuming and difficult were pointless."
Harri Syrjäläinen, CEO
Puttek
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"The feedback from our companies about the training has been excellent. The tools and aftercare are also very good. Exceeded all expectations."
Riina Laaksonen, Project manager & Marja Holopainen, Project manager
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