The quantities and units library for C++

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

Error propagation calculator and library for physical measurements. It supports real and complex numbers with uncertainty, arbitrary precision calculations, operations with arrays, and numerical integration.

A comprehensive (SI) units package for LaTeX

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

Propagation of distributions by Monte-Carlo sampling: Real number types with uncertainty represented by samples.

GROBID extension for identifying and normalizing physical quantities.

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

Physical Quantities and Measures (PQM) is a Node and browser package for dealing with numbers with units

Physical unit systems (Metric, English, Natural, etc...)

Extending the python json package functionality

Dimensions and Quantities for UnitSystems.jl

DUQ is a python package for working with physical Dimensions, Units, and Quantities.

Windows OS Application to perform conversions between units of a Physical Quantity.

Statically-checked physical units with seamless syntax

Measurements.jl compatibility layer for UnitSystems.jl

C++ library of physical quantities, physical models, and units of measure for scientific computation

Simple Physical Quantities for Python - Unit conversions made easy