In the US at least, Tonne should always refer to the metric unit Ton should always refer to the old imperial unit - 2000 pounds
They must be kept as two separate units of weight to avoid confusion and eliminate any safety issues that might be brought up by opponents of metrication Al Lawrence From: [email protected] To: [email protected] Subject: [USMA:51587] Re: Someone asked me the below question- any thoughts? Date: Thu, 5 Apr 2012 06:54:03 +0100 Tonne seems to be universally used everywhere else – UK, Canada and Australia I know use only tonne. John F-L From: Metric Rules Info Sent: Thursday, April 05, 2012 12:40 AM To: U.S. Metric Association Subject: [USMA:51586] Someone asked me the below question- any thoughts? I wonder if, upon US adoption of SI, whether "tonne"'d be used over current pref "metric ton" since short "ton" wouldn't exist Bridget Nagarajan Metric Rules Metric Only STEM Education in the USA The information transmitted is intended only for the person or entity to which it is addressed and may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited. If you received this in error, please contact the sender and delete the material from any computer. No virus found in this message. Checked by AVG - www.avg.com Version: 2012.0.1913 / Virus Database: 2409/4914 - Release Date: 04/04/12
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