Lifestyle Calculators – Personal Carbon Web Tools for Change

Last updated: 23.8.2025

GreenDependent Institute and Zala Brīvība initiated the first citizen carbon calculators for Hungary and Latvia.

Avoin Ry developed user-friendly carbon footprint calculators with admin interfaces in collaboration with GreenDependent Institute (HU), Zala Brīvība (LV), and D-mat (FI) for the EU 1.5° Lifestyles project. The calculators support sustainable lifestyle decisions through regionalised, accessible, and interactive online tools, enabling users to assess their emissions and helping admin organisations keep the tools up-to-date and promote climate-friendly behaviour.

Status and news

The service is in active use in Hungary and Latvia.

Illustration: Lara Jasim, Avoin

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Duration

5/2024-4/2025

Offered expertise

Design, Data science, Software engineering, Stakeholder training

Openness

Free tool, closed-source

Partners

GreenDependent Institute, Zala Briviba Biedriba, D-mat, outsourced partner Avoin.

Funder

1.5 Lifestyle European Union

Grant ID

H2020/101003880

Links 

https://karbonkalkulator.hu

https://kalkulators.zalabriviba.lv