six
Six feet = 1,828.8 millimeters.
Six yards is 18 feet @three feet per yard.
six feet
3 feet in 1 yard. 3x6=18 feet in six yards.
Six feet per fathom.
Six feet is 1828.8mm
31,680 feet.
Exactly six of them are.
six feet tall
About six feet (5.90551 feet).
Six feet is 182.88 centimeters.
Six acre-feet of water is about 1,955,109 US gallons.