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units

Unit conversion tool

GPL-3.0-or-later www.gnu.org units 8 releases newest changed 15 days ago

version2.27 attributeunits rev

aarch64-darwin 419fe0f449b3fbe3bdd53d9840288db4509ec32e 2026-09-28

aarch64-linux 419fe0f449b3fbe3bdd53d9840288db4509ec32e 2026-09-28

x86_64-darwin 3d46470bb3030020f7e1361f33514854f5bfa86d 2026-06-27

x86_64-linux 419fe0f449b3fbe3bdd53d9840288db4509ec32e 2026-09-28

systems✓ aarch64-darwin✓ aarch64-linux✓ x86_64-darwin✓ x86_64-linux

$ devbox add units@2.27

$ nix shell github:NixOS/nixpkgs/419fe0f449b3fbe3bdd53d9840288db4509ec32e#units  # aarch64-darwin

$ nix shell github:NixOS/nixpkgs/419fe0f449b3fbe3bdd53d9840288db4509ec32e#units  # aarch64-linux

$ nix shell github:NixOS/nixpkgs/3d46470bb3030020f7e1361f33514854f5bfa86d#units  # x86_64-darwin

$ nix shell github:NixOS/nixpkgs/419fe0f449b3fbe3bdd53d9840288db4509ec32e#units  # x86_64-linux

JSON: /v2/resolve?name=units&version=latest

Releases

newest first, as /v2/pkg orders them

Version	arm mac	arm linux	x86 mac	x86 linux	Attribute	Commit	Date	Outputs
2.27resolved	✓	✓	✓	✓	`units`	varies	2026-09-13	man, out, info
2.26	✓	✓	✓	✓	`units`	09061f748e	2026-03-21	man, out, info
2.25	✓	✓	✓	✓	`units`	80d901ec03	2026-02-23	man, out, info
2.24	✓	✓	✓	✓	`units`	5f02c91314	2026-01-09	man, out, info
2.23	✓	✓	✓	✓	`units`	566e53c2ad	2024-12-03	man, out, info
2.22	✓	✓	✓	✓	`units`	10b813040d	2024-02-10
2.21	✓	✓	✓	✓	`units`	194c2aa446	2023-03-16
2.19	–	–	–	✓	`units`	0867f62742	2021-03-08

Prereleases are listed but latest never picks one. “varies” means each system last changed at a different nixpkgs commit — the release page lists them.

Description

GNU Units converts quantities expressed in various systems of measurement to their equivalents in other systems of measurement. Like many similar programs, it can handle multiplicative scale changes. It can also handle nonlinear conversions such as Fahrenheit to Celsius or wire gauge, and it can convert from and to sums of units, such as converting between meters and feet plus inches. Beyond simple unit conversions, GNU Units can be used as a general-purpose scientific calculator that keeps track of units in its calculations. You can form arbitrary complex mathematical expressions of dimensions including sums, products, quotients, powers, and even roots of dimensions. Thus you can ensure accuracy and dimensional consistency when working with long expressions that involve many different units that may combine in complex ways. The units are defined in an external data file. You can use the extensive data file that comes with this program, or you can provide your own data file to suit your needs. You can also use your own data file to supplement the standard data file.