Quoc: Metrication in Canada began in 1970 and while Canada has converted to the metric system for many purposes, there is still significant use of non-metric units and standards in many sectors of the Canadian economy. This is mainly due to historical ties with the United Kingdom (before metrication), the traditional use of the imperial system of measurement in Canada, proximity to the United States, and to public opposition to metrication during the transition period.

When did the metric system start in canada?
HW Chung: OK, some thoughts:
To answer this question, we should know that: Metrication in Canada began in 1970 and while Canada has converted to the metric system for many purposes, there is still significant use of non-metric units and standards in many sectors of the Canadian economy. The answer is 1970.