4000 meters to feet - Symbolab
https://www.symbolab.com/calculator/conversion/length?calculator=length&meter=4000&foot&title=4000%20meters%20to%20feet
WEBThe metric system is the most commonly used system of measurement worldwide, and it is based on units of meters (m), centimeters (cm), and millimeters (mm). The imperial system is used primarily in the United Kingdom, and it uses units of inches (in), feet (ft), and yards (yd). The US customary system is used in the United States, and it ...
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