Perfectly convenient. The standard system excels when doing actual work. If you have a rod with 1" diameter and you need to take it down to 13/16", you can use

Perfectly convenient. The standard system excels when doing actual work. If you have a rod with 1" diameter and you need to take it down to 13/16", you can use a lathe to make 3/32" cut. Or if you need to divide up 13/16 into 4 parts, for example, 13/64. The metric system's strength is teaching in elementary schools where skills with fractions are not as strong.