PDF of the January/February 2023 issue of Metric Today is now available online for USMA members.
Autumn Virtual Meet-up 2022
Join us for the Autumn Virtual Meet-up on 7 December 2022!
New SI prefixes introduced
The BIPM introduced 4 new prefixes into the SI to extend the range of very large and small quantities that can be expressed: ronna, quetta, ronto, and quecto. See SI prefixes and their etymologies to learn more.
Metric Week 2022
Metric Week 2022 has passed. See which states & territories officially supported it:
Summer Virtual Meet-up 2022
Join us for the Summer Virtual Meet-up on 22 September 2022!
Membership registration now online
USMA membership registration is now online!