ISO 80000-7:2008 gives names, symbols and definitions for quantities and units for light and other electromagnetic radiation. Where appropriate, conversion factors are also given.
ISO 31-6:1992/Amd 1:1998
ISO 80000-7:2008Stage: 95.99
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.