DIALux is the world's leading software for lighting design. Available in 27 languages, free of charge and tailored to your needs. Design, calculate and visualise indoor, outdoor, street and …

DIALux is the world's leading software for professional lighting design and a marketing tool for luminaire manufacturers.

DIAL has developed DIALux, the world's leading software for planning, calculating and visualizing indoor and outdoor lighting. The light-planning tool has a community of more than 700,000 …

DIALux is used free of charge as a planning tool by more than 750,000 lighting designers worldwide.

Dec 16, 2025 · Download DIALux, the worldwide standard in lighting design software. Free of charge. Design light for single rooms, whole buildings, outdoor area, street lighting and …

Aug 18, 2025 · Explore DIALux lighting design software - its key features, benefits, and how it helps you calculate and visualize lighting with precision for any space.

With DIALux, you design lighting for indoor and outdoor areas – using real luminaires, standards-compliant calculations and realistic visualizations. Perfect for anyone who wants to use light …

With DIALux Pro, you work faster, more flexibly, and more professionally. The subscription offers advanced features, customized reports, and full control over your projects – for results that …

Learn the features of the software DIALux and get many tips & tricks to plan, calculate and visualize the light optimally. Expand your knowledge in the fields of lighting technology, lighting …

Got a question? Let’s get you an answer. This section is the fastest place to get help. Find technical support and answers to DIALux related questions.