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[Utility & Helpers](/categories/utility) 4. / 5. spatie/unit-conversions ActiveLibrary[Utility & Helpers](/categories/utility) spatie/unit-conversions ======================= Perform unit conversions in PHP 1.2.0(6y ago)343.5k12MITPHPPHP ^7.4CI passing Since May 10Pushed 3mo ago4 watchersCompare [ Source](https://github.com/spatie/unit-conversions)[ Packagist](https://packagist.org/packages/spatie/unit-conversions)[ Docs](https://github.com/spatie/unit-conversions)[ RSS](/packages/spatie-unit-conversions/feed)WikiDiscussions main Synced 1w ago READMEChangelog (4)Dependencies (2)Versions (5)Used By (0) Perform unit conversions in PHP =============================== [](#perform-unit-conversions-in-php) [![Latest Version on Packagist](https://camo.githubusercontent.com/05c616895a30c02cd8c673af47863ba9def02bdf2266e54f0f7cd216a8103b97/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f7370617469652f756e69742d636f6e76657273696f6e732e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/spatie/unit-conversions)[![GitHub Tests Action Status](https://camo.githubusercontent.com/e2f0b2539c952bcdf31597fa9d400e02c7bdfc622d164565e37505a8d1ae728f/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f776f726b666c6f772f7374617475732f7370617469652f756e69742d636f6e76657273696f6e732f72756e2d74657374733f6c6162656c3d7465737473)](https://github.com/spatie/unit-conversions/actions?query=workflow%3Arun-tests+branch%3Amaster)[![Total Downloads](https://camo.githubusercontent.com/ced566e3e464b83808134fef50cbfba9022214f8ea272d11d1651c3543a26d68/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f64742f7370617469652f756e69742d636f6e76657273696f6e732e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/spatie/unit-conversions) This package can perform various unit conversions. Right now, only kg to lbs is supported. Here's how to use it: ``` use Spatie\UnitConversions\Weight; Weight::fromKilograms(100)->toLbs(); // returns 220.4623; ``` Support us ---------- [](#support-us) [![](https://camo.githubusercontent.com/ddebc88adda541c4b8f7d7c4d4e0a416f12749e02ee7ce7c367376d0f58ba441/68747470733a2f2f6769746875622d6164732e73332e65752d63656e7472616c2d312e616d617a6f6e6177732e636f6d2f756e69742d636f6e76657273696f6e732e6a70673f743d31)](https://spatie.be/github-ad-click/unit-conversions) We invest a lot of resources into creating [best in class open source packages](https://spatie.be/open-source). You can support us by [buying one of our paid products](https://spatie.be/open-source/support-us). We highly appreciate you sending us a postcard from your hometown, mentioning which of our package(s) you are using. You'll find our address on [our contact page](https://spatie.be/about-us). We publish all received postcards on [our virtual postcard wall](https://spatie.be/open-source/postcards). Installation ------------ [](#installation) You can install the package via composer: ``` composer require spatie/unit-conversions ``` Usage ----- [](#usage) #### From kg to lbs [](#from-kg-to-lbs) ``` Spatie\UnitConversions\Weight::fromKilograms(100)->toLbs(); // returns 220.4623; ``` Testing ------- [](#testing) ``` composer test ``` Changelog --------- [](#changelog) Please see [CHANGELOG](CHANGELOG.md) for more information on what has changed recently. Contributing ------------ [](#contributing) Please see [CONTRIBUTING](https://github.com/spatie/.github/blob/main/CONTRIBUTING.md) for details. Security -------- [](#security) If you've found a bug regarding security please mail instead of using the issue tracker. Credits ------- [](#credits) - [Freek Van der Herten](https://github.com/freekmurze) - [All Contributors](../../contributors) License ------- [](#license) The MIT License (MIT). Please see [License File](LICENSE.md) for more information. ### Health Score 44 — FairBetter than 92% of packages Maintenance54 Moderate activity, may be stable Popularity32 Limited adoption so far Community20 Small or concentrated contributor base Maturity59 Maturing project, gaining track record Bus Factor1 Top contributor holds 56% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~3 days Total 4 Last Release 2190d ago ### Community Maintainers ![](https://avatars.githubusercontent.com/u/7535935?v=4)[Spatie](/maintainers/spatie)[@spatie](https://github.com/spatie) --- Top Contributors [![freekmurze](https://avatars.githubusercontent.com/u/483853?v=4)](https://github.com/freekmurze "freekmurze (28 commits)")[![AdrianMrn](https://avatars.githubusercontent.com/u/12762044?v=4)](https://github.com/AdrianMrn "AdrianMrn (7 commits)")[![patinthehat](https://avatars.githubusercontent.com/u/5508707?v=4)](https://github.com/patinthehat "patinthehat (5 commits)")[![alexmanase](https://avatars.githubusercontent.com/u/10696975?v=4)](https://github.com/alexmanase "alexmanase (4 commits)")[![AlexVanderbist](https://avatars.githubusercontent.com/u/6287961?v=4)](https://github.com/AlexVanderbist "AlexVanderbist (3 commits)")[![rodelias-frete](https://avatars.githubusercontent.com/u/281798633?v=4)](https://github.com/rodelias-frete "rodelias-frete (1 commits)")[![MattStrauss](https://avatars.githubusercontent.com/u/15204019?v=4)](https://github.com/MattStrauss "MattStrauss (1 commits)")[![peter279k](https://avatars.githubusercontent.com/u/9021747?v=4)](https://github.com/peter279k "peter279k (1 commits)") --- Tags spatieunit-conversions ### Code Quality TestsPHPUnit Code StylePHP CS Fixer ### Embed Badge ![Health badge](/badges/spatie-unit-conversions/health.svg) ``` [![Health](https://phpackages.com/badges/spatie-unit-conversions/health.svg)](https://phpackages.com/packages/spatie-unit-conversions) ``` ### Alternatives [spatie/laravel-package-tools Tools for creating Laravel packages 945125.5M7.0k](/packages/spatie-laravel-package-tools)[spatie/laravel-data Create unified resources and data transfer objects 1.8k28.9M627](/packages/spatie-laravel-data)[spatie/laravel-analytics A Laravel package to retrieve Google Analytics data. 3.2k5.7M57](/packages/spatie-laravel-analytics)[spatie/macroable A trait to dynamically add methods to a class 72759.6M64](/packages/spatie-macroable)[spatie/regex A sane interface for php's built in preg\_\* functions 1.1k17.1M59](/packages/spatie-regex)[spatie/enum PHP Enums 84529.1M68](/packages/spatie-enum) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)