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.
The yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches.It is by international agreement in 1959 standardized as exactly 0.9144 meters.he yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches.