Abbreviations For Weight Units
Most people will be familiar with common abbreviations for weights such as kg for kilograms and lb for pounds, however there are many that you may not be so familiar with and need to look up from time to time. A list of all abbreviations for metric, imperial and troy weight units are given on this page.
Metric Unit Abbreviations
Metric weight units use the standard SI prefixes in the vast majority of cases, there are a couple of non-standard metric weight units, the metric ton and the carat which also have abbreviations.
Although the kilogram is the base unit of the SI metric weight system, all units have prefixes based on the gram.
Table of Standard Metric Units
Non Standard Metric Units
The two commonly used non-standard metric units the metric ton (tonne) and the carat have abbreviations as follows:
|carat||CD||CD is the ANSI standard abbreviation - CT is often used in the jewellery industry.|
|metric ton||t||The abbreviations mt and MT are also used in the US. T and mT have also been used.|
Imperial Unit Abbreviations
Imperial unit abbreviations are common across the both the British imperial system and the US customary system apart from an alternative abbreviation for the long and short tons.
|grain||gr||Also used in the Troy system.|
|dram||dr||Also known as the drachm.|
|pound||lb||For more than one pound the abbreviation lbs is sometimes used.|
|ton||t||The US customary ton is sometimes known as the short ton, abbreviation sh. tn. or sh. t., and the British imperial ton is sometimes known as the long ton, abbreviation l. tn. or l. t.|
Troy Unit Abbreviations
Troy units are very similar to imperial units and similar abbreviations are used.
|grain||gr||Also used in the imperial system, they are exactly the same.|
|pennyweight||dwt||Alternative abbreviations that are sometimes used are pwt and PW.|
|troy ounce||oz t|
|troy pound||lb t||Sometimes just abbreviated as troy.|