Abstract
This article reviews U.S. metric conversion efforts, particularly as they have affected education. Education system benefits and costs are estimated for three possible measurement system conversion plans. Of the three, the soft-conversion-to-metric plan, in which all inch-pound instruction is dropped, appears to provide the largest net benefits. The primary benefit is class time saved by teaching just one measurement system. These net benefits appear to be many times larger than the costs anticipaled for the controversial plan to convert all U.S. highway signs to metric or dual measures.
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