The pound (abbreviation and symbol: lb) is the unit of mass in several different systems, including Imperial units, English units and United States customary units. 1 pound (lb) = 0.0714285714 stones (st) = 16 ounces (oz) = 453592.37 milligrams (mg) = 0.45359237 kilograms (kg) = 453.59237 grams (g) = 7000 grains (gr). The stone (abbreviation and symbol: st) is a unit of mass which was used in UK and several Commonwealth countries. The stone is equal to 14 avoirdupois pounds (lbs); it was abolished from trades in UK in 1985. 1 stone (st) = 14 pounds (lbs) = 6.35029318 kilograms (kg) = 6350.29318 grams (g) = 224 ounces (oz).