The quantities and units library for C++

A header only C++ library that provides type safety and user defined literals for physical units

A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience.

Physical Quantities (PhQ) is a C++ library of physical quantities, physical models, and units of measure for scientific computing.

benri is a c++ library for compile time checking of physical quantities.