How many millimeters are in an inch? There are 25.4 millimeters in one inch. How many kilometers are in a mile? There are about 1.61 kilometers in a mile.

IN Jubilee week, Boris Johnson will turn back the clock – and pave the way for shops to sell goods in pounds and ounces once again. Imperial measurements – used in Britain for hundreds of years – were ...

The imperial measures of Trafalgar Square were installed in 1876, detailing the official measurements of inches, feet, yards, links, chains, perches and poles. A standards commission, chaired by Sir ...