Explore the Boost.Units library for compile-time dimensional analysis and unit conversions in this 42-minute CppNow conference talk. Learn about dimensions, units, standard systems, and limitations of the library. Discover how to perform conversions, work with default conversions, and utilize quantities. Delve into metric prefixes, unit formats, and base units. Examine compiler and runtime performance considerations. Address common problems with libraries and functions, and see practical examples of Boost.Units in action. Gain insights into reducing programming errors by declaring precise value representations and enforcing meaningful operations.