TEU 4 : A twenty-foot equivalent unit (6.1m). A standard unit for counting containers of various lengths and for describing container ship or terminal capacity. A standard 40' container equals 2 TEUs
Freight Solution Providers (FSP) HQ, a KLS Air Express, Inc. company (World Transportation Logistics), Logistics Glossary of Shipping Terms, Rancho Cordova, CA, USA 2012. http://www.shipfsp.com/about/shippingterms.html, (Log - Brit) {578}