Lighting design made easy with DIALux
Design, calculate and visualise light for indoor and outdoor areas. With DIALux you can create individual rooms, multi-storey buildings, paths, car parks and streets. Use real luminaires provided by DIALux Members and bring your project to life.
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We simplify lighting design for you:
DIALux is the world's leading software for lighting design. Available in 27 languages,
free of charge and tailored to your needs.
DIALux
Design, calculate and visualise indoor, outdoor, street and emergency lighting. Work with 2.5 million luminaires from our > 450 DIALux Members. The free version of DIALux evo gives you all the tools you need to create stunning lighting solutions.
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DIALux Pro
Discover the unlimited possibilities of lighting design with DIALux Pro. Our advanced version of DIALux evo is designed to speed up your workflow and increase your productivity. DIALux Pro supports you with a wealth of additional features and is constantly being expanded. Available to subscribe.
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Trusted
750,000
DIALux Users
> 450
DIALux Members
27
Languages
News & Articles
DIALux evo 14 is now available: Faster planning thanks to room-by-room calculation
DIALux evo 14 is now available for download. With the new version, calculating your projects becomes even more efficient: you can calculate individual rooms and spaces specifically, and thanks to optimized room views, you can navigate the model more easily. This makes it faster and more structured to handle even large projects.
Here are the results of our survey on lighting standards
In recent weeks, many of you in the DIALux Community have asked what the results of our survey on lighting standards actually were. That’s why we’d now like to share them with you in detail and also show what concrete steps we’re taking based on your feedback.
DIALux Co-Creation Space @ Light+Building 2026
Our goal for Light+Building was clear from the outset: we didn’t want to build a traditional exhibition stand. Instead, we wanted to create a space where genuine conversations could take place: a DIALux Co-Creation Space.