In a nutshell, P-metric sizing is not quite as cut and dry as imperial, but on the same note, it's actually more informative. Where imperial measurements only give you information on the tire's ...

Click to print your Imperial to Metric Conversion + Oven Temperature Conversion Chart. Now you’ll be ready the next time you want to make a recipe that gives you metric measurements.

Metric units are most often used today, however in some cases imperial units are still used and so it is important to be able to convert between them. The imperial system uses the following units ...

But even so, when in 1975, then President Gerald Ford through the Metric Conversion Act declared metric, “the preferred system of weights and measures for United States trade and commerce” it ...

The Imperial measurements system was first defined in the British Weights and Measures Act 1824 and 1878. Imperial measurements were used to measure length, mass, or capacity in a standard way.

New road signs showing height and width restrictions will use both metric and imperial measurements from March 2015, the government says.