The smallest & fastest library for really easy, totally type-safe unit conversions in TypeScript & JavaScript.
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Updated
Mar 23, 2026 - TypeScript
The smallest & fastest library for really easy, totally type-safe unit conversions in TypeScript & JavaScript.
A run-time C++ library for working with units of measurement and conversions between them and with string representations of units and measurements
Physical quantities
Physical unit systems (Metric, English, Natural, Planck, etc...)
Free WordPress Plugin: This free online tool converts common length, temperature, area, volume, weight, and time units. www.calculator.io/unit-converter/
.NET Insanely Fast Unit Converter
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
Simple application to convert points, pixels, percentage and rem interchangeably with a simple and clean interface.
A simple yet effective temperature converter for hassle-free basic temperature conversions.
A web-app for converting physical units
💾 A simple, no-fuss storage unit converter written in Vue 3
expandable unit system, providing unit conversion on small and large scale
Measurements.jl layer for UnitSystems.jl
A wrapper script for interacting with the Frink language, with a focus on converting units
A type-safe Dart library for unit conversion
A .Net Measurement & Unit Conversion API (1' + .3048m = 609,600µm)
unit converter with focus on type-safety, simplicity and performance
A memory unit conversion library that makes working with multiple sizes and SI/IEC standards straight forward
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