The quantities and units library for C++

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 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.

A comprehensive (SI) units package for LaTeX

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

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

Physical units and unit-aware mathematical system for general-purpose brain dynamics modeling.

Unit-aware Computations for AI-driven Scientific Computing.

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

Dimensions and Quantities for UnitSystems.jl

Extending the python json package functionality

Statically-checked physical units with seamless syntax

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.

Measurements.jl layer for UnitSystems.jl

Lightweight Dart library for dealing with physical quantities, units, and conversions.