metric system in the early 70's metric system in the early 70's Canada uses the metric system Wikipedia metric system in the early 70's metric system in the early 70's http://en.wikipedia.org/wiki/Metrication_in_Canada https://en.wikipedia.org/wiki/Metrication_in_Canada Metrication in Canada - Wikipedia, the free encyclopedia Wikipedia Metrication in Canada Wikipedia Canada has already done it Canada uses the metric system http://en.wikipedia.org/wiki/M... revolutionary irrationalism Wikipedia en.wikipedia.org/.../...dLimitSignBoltonON2011.jpg Canada started switching to the metric system in the 1970s