High precision scientific calculator with support for physical units

Makes life working with units of measurement just a little bit better.

An elegant way to convert quantities between different units.

JavaScript library for quantity calculation and unit conversion

Units of Measurement API

Library for unit extraction - fork of quantulum for python3

JSR 385 - Reference Implementation

Python library for information extraction of quantities from unstructured text

A library for handling numbers with units.

Physical quantities

Humanizer meets all your JavaScript needs for manipulating and displaying strings, dates, times, numbers and quantities

Unitful Quantities in JAX

Working with units made easy with automatic unit-check and converting between units

PATO - the Phenotype And Trait Ontology

Store, validate, and convert physical quantities in Django using Pint.

A library to work with quantities and units.

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

📝 My very first Android app, a shopping list app.

A better way to hold unit variables and easily convert to the destination unit

A comprehensive list of libraries used for converting, checking, and managing units of measurement and physical quantities