Physical Units Toolbox
Enables operations using hundreds of supported physical units of measurement and physical constants.
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Editor's Note: This file was selected as MATLAB Central Pick of the Week
Cite As
Sky Sartorius (2026). Physical Units Toolbox (https://github.com/sky-s/physical-units-for-matlab), GitHub. Retrieved .
Acknowledgements
Inspired by: Units and Dimensions Suite for Matlab, DISPDISP - verbose display of structures and objects
Inspired: Standard Atmosphere Functions, Fuel fraction sizing, Simple propulsion performance estimation
General Information
- Version 5.0.0 (101 KB)
-
View License on GitHub
MATLAB Release Compatibility
- Compatible with R2016b and later releases
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 5.0.0 | Constants updates for the 2019 redefinition of SI base units.
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| 3.0.0 | toolbox, help text. |
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| 2.10.0 | New str2u and surf methods. A few more units added.
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| 2.6.0 | added sort method |
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| 2.5.0 | mm-g-s common system added. |
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| 2.4.0 | upload error |
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| 2.3.0 | Added atan2, plot3, cat, plus other minor tweaks. |
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| 2.2.0 | Plot method updated for R2015b, added isfinite and validateattributes methods, added u classdef functionality. |
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| 2.1.0 | Preferred display units, updated documentation, some new methods. |
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| 1.18.0 | Fixed error with Rankine. |
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| 1.17.0 | Class name change!
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| 1.16.0 | New, simpler, and fuller-functioning methods. |
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| 1.15.0 | Added ability to switch base unit systems; added many more units; added 'dummy' unitsOf and u2num functions to keep from crashing when calling with non-DimensionedVariable arguments (addresses user concern) |
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| 1.14.0 | added pressure, angle, and angular velocity units; added static method for working with string representations of units. |
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| 1.13.0 | added features to unitslist method |
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| 1.12.0 | Improved unitslist; added kp force unit. |
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| 1.11.0 | Added new static method 'unitslist' that makes it easy to drastically speed up code developed using the class. |
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| 1.10.0 | Fixed bug in displaying units with no numerator |
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| 1.8.0 | New display method looks much better (in response to comments on rob's original post); new classdef structure |
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| 1.6.0 | new subsasgn method; new html documentation; reworked help blocks; other updates |
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| 1.4.0 | Documentation and examples; added functionality to u2num; added meshgrid function |
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| 1.3.0 | added some units |
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| 1.2.0 | added many units and did a lot of checking an updating so that more units meet their exact definitions |
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| 1.0.0 |
