Calculate emissions

Air travel
Car journey
Hotel stay
Bus trip
Train journey
Cloud Computing
Water consumption
Furniture & furnishings

Incorporate emissions calculation into your everyday tools and activities:

Climate-conscious banking solutions

Build a climate-conscious banking solution that is environmentally friendly and sustainable.

Environmentally friendly transportation

Develop environmentally friendly and sustainable transportation solutions with us.

Flying with a clear conscience

Build a solution for aviation that is environmentally friendly and sustainable.

Calculate CO2 emissions quickly and easily with KlimAPI

The right emission factors for every case

Whether you offer travel, operate a fleet or develop a financial app: With KlimAPI you can calculate the carbon emissions of your users and help them make more climate-friendly decisions.

Product Carbon Footprints

For an even more accurate footprint, we offer you a network of sustainability consultants to accurately calculate and optimize the footprint of your products. This allows you to offer your customers an even more accurate footprint of your products.

How does emissions calculation work?

We calculate emissions using so-called emission factors. These usually come from authorities in various countries or NGOs. All emission factors are carefully checked by us and compared with other sources to ensure their plausibility.

Individually expandable

With our help, you can migrate your own emission factors into our database and calculate the emissions of your products or services. This allows you to use our infrastructure without being tied to our factors. We will be happy to help you with the integration and answer any questions you may have.


CO2 calculator

Create individual calculators

Create your own CO2 calculator and activate only the required emission factors. This allows you to offer your users an individual CO2 calculator that only calculates the emissions relevant to them.

Integrate into your own website

Integrate the CO2 calculator quickly and easily into your website and offer your users an easy way to calculate the CO2 emissions of their products or services.

Seamless integration of offsetting

After successful calculation, you can directly offer your users the option of offsetting the calculated emissions. Either use the payment method stored in your account or refer to a checkout link.

Learn more about the CO2 calculator
Calculator Preview

Proven and reliable sources for our emissions calculations

UK Government Logo
European Environment Agency Logo
NR Canada Logo
CCF Logo
BMU Logo

Resources for getting started:

No credit card required - Create an account now

Create an account and start calculating and offsetting the CO2 emissions directly via our API. Do you still have questions or need a customized offer? Use the chat or make an appointment directly with our sales team.

Questions about CO2 calculation

Our emission factors mostly come from authorities of different countries or NGOs. All emission factors are carefully checked by us and compared with other sources to ensure their plausibility.
Our database of emission factors is constantly expanding to meet the needs of our customers. If you need specific emission factors, just let us know and we will start the research. You can find a current list under "Calculation Options" in our API documentation
If you calculate emissions as part of a CO2 offset, the calculation is free of charge. In addition, we charge on a simple pay-as-you-go principle. Visit our pricing page to find out more.