Introduced in 1791, the metric system is an international system of measurement that replaced the standard (or imperial) system of measurement in most of the world.
Since both the metric and standard systems are used in the United States, however, it's likely that you’ll need to convert standard measurements to metric, or vice versa, when using tools such as sockets (attachments that fit onto socket wrenches to grip bolt heads). While it's always best to use metric sockets on metric bolts and standard sockets on standard bolts, it's possible to convert a standard socket to a metric size that is close enough to work.
Things You Will Need
- Pencil
- Paper
- Calculator
Tip
There are socket conversion charts available online that make these calculations for you.
