C++ physical-units

Open-source C++ projects categorized as physical-units

Top 5 C++ physical-unit Projects

physical-units
  1. mp-units

    The Domain-Correct Quantities and Units Library for C++ — full quantity kind safety, ISO 80000 compliant, C++29 standardization candidate.

  2. SaaSHub

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  3. SI

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

  4. au

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

  5. Units

    A run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurements (by llnl)

  6. unlib

    a light-weight, header-only, dependency-free, C++14 library for ISO units

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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C++ physical-units related posts

  • TIL the USA was supposed to adopt the metric system but the ship carrying the standardized meter and kilogram was hijacked by pirates in 1793 and the measurements never made it to the States

    1 project | /r/todayilearned | 26 Jan 2023
  • SI Unit division not working

    1 project | /r/cpp_questions | 1 Feb 2022
  • C++ lib for handling SI units

    3 projects | /r/cpp_questions | 8 Dec 2021
  • Just discovered C++ has keywords 'and'/'or'/'not' etc.

    2 projects | /r/cpp | 26 Apr 2021
  • LLNL/units - runtime C++ unit conversion library

    1 project | /r/opensource | 9 Jan 2021
  • A note from our sponsor - SaaSHub
    www.saashub.com | 14 Jun 2026
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

What are some of the best open-source physical-unit projects in C++? This list will help you:

# Project Stars
1 mp-units 1,432
2 SI 521
3 au 425
4 Units 171
5 unlib 31

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