The yard equals 0.9144 meters exactly, or 3 feet. It is the standard field unit in American football (100-yard field) and British cricket (22-yard pitch). Fabric and textile in Anglo-Saxon countries is still sold by the yard. Historically the yard was said to be the length of King Henry I of England's arm.
Real-world: An NFL football field is 100 yards = 91.44 metres. A cricket pitch is 22 yards = 20.12 metres.
Read full yard reference โThe inch equals 2.54 centimeters exactly since 1959. It is the global standard for screen diagonal sizes โ a "55-inch TV" has a 139.7 cm diagonal. Pipe diameters, US and UK shoe sizes, and hard-drive form factors are all specified in inches. 1 inch = 1/12 foot = 1/36 yard.
Real-world: A 65-inch TV has a 165 cm diagonal. A smartphone screen is typically 6โ7 inches. Standard copper plumbing in the UK is ยฝ inch or ยพ inch.
Read full inch reference โ