Units of Measurement
Measurement units and symbols, grouped by what they measure and the system they belong to.
Download optionsThe records
The 10 most recently added of 61 records · Select a column heading to sort.
| ID | Unit name | Symbol | Quantity | System |
|---|---|---|---|---|
| 52 | Degree Fahrenheit | degF | Temperature | US customary |
| 53 | Erg | erg | Energy | CGS |
| 54 | Dyne | dyn | Force | CGS |
| 55 | Gauss | G | Magnetic flux density | CGS |
| 56 | Poise | P | Dynamic viscosity | CGS |
| 57 | Calorie | cal | Energy | Metric |
| 58 | Bar | bar | Pressure | Metric |
| 59 | Atmosphere | atm | Pressure | Other |
| 60 | Nautical mile | nmi | Length | Other |
| 61 | Knot | kn | Speed | Other |
Free sample files (up to 10 rows): CSV JSON XML
Scope and sources
Last checked against sources: October 15, 2026.
Last changed: July 19, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
- NIST Special Publication 811, Guide for the Use of SI (used with permission)
A complete download includes all 61 records currently held in this dataset. Check the description and sources to decide whether its scope fits your project.
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