Eurasia covers around 55,000,000 square kilometres (21,000,000 sq mi), or around 36.2% of the Earth's total land area. The landmass contains around 5.0 billion people, equating to approximately 70% of the human population. Humans first settled in Eurasia between 60,000 and 125,000 years ago.
The Imperial system recognizes a yard as a linear measurement unit for measuring length or distance. Yard is commonly used in modern US system of measurement. A yard is equal to 36 inches or 3 feet. Both units of yard and inch have been used since the 13th century.
US Customary Units/Imperial System: 1 foot = 12 inches: yards: yd: US Customary Units/Imperial System: 1 yard = 3 feet: miles: mi: US Customary Units/Imperial System: 1 mile = 1760 yards or 5280 feet: picometers: pm: Metric System: 1 m = 1,000,000,000,000 pm: nanometers: nm: Metric System: 1 m = 1,000,000,000 nm: micrometers: Î¼m: Metric System: 1 m = 1,000,000 Î¼m: millimeters: mm: Metric System