There's two reasons to use a measurement system -- one of those is for sort of every day work -- cooking, home carpentry and the like, and in that case, having something like the imperial system is nice, because you can divide things usefully.
The _other_ reason to use a measurement system is for doing _science_, and for that, having everything in base ten makes things _immensely_ easier, especially if you're working the math out by hand
The _other_ reason to use a measurement system is for doing _science_, and for that, having everything in base ten makes things _immensely_ easier, especially if you're working the math out by hand