1968–2008: up to 48 kg.
2012 - : up to 49 kg.
1904: up to 105 lb (47.6 kg)
1920–1936: up to 112 lb (50.8 kg)
1948–1964: up to 51 kg
1968–2008 : 48–51 kg
2012 - : 49–52 kg
1904: 105-115 lb (47.6-52.2 kg)
1908: up to 116 lb (52.6 kg)
1920–1928: 112-118 lb (50.8-53.5 kg)
1932–1936: 112-119 lb (50.8-54.0 kg)
1948–2008 : 51–54 kg
2012 - : 52–56 kg
1904: 125-135 lb (56.7-61.2 kg)
1908: 126-140 lb (57.2-63.5 kg)
1920–1936: 126-135 lb (57.2-61.2 kg)
1948: 58–62 kg
1952–2008 : 57–60 kg
2012 - : 56–60 kg
1952–2000: 60-63.5 kg
2004-: 60–64 kg
1904: 135-145 lb (61.2-65.8 kg)
1920–1936: 135-147 lb (61.2-66.7 kg)
1948: 62–67 kg
1952–2000: 63.5–67 kg
2004 - : 64–69 kg
1904: 145-158 lb (65.8-71.7 kg)
1908: 140-158 lb (63.5-71.7 kg)
1920–1936: 147-160 lb (66.7-72.6 kg)
1948: 67–73 kg
1952–2000: 71–75 kg
2004 - : 69–75 kg
1920–1936: 160-175 lb (72.6-79.4 kg)
1948: 73–80 kg
1952 - : 75–81 kg
1904–1908: over 158 lb (71.7 kg)
1920–1936: over 175 lb (79.4 kg)
1948: over 80 kg
1952–1980: over 81 kg
1984 - : 81–91 kg
1984 - : over 91 kg
1904: 115-125 lb (52.2-56.7 kg)
1908: 116-126 lb (52.6-57.2 kg)
1920–1928: 118-126 lb (53.5-57.2 kg)
1932–1936: 119-126 lb (54.0-57.2 kg)
1948: 54–58 kg
1952–2008: 54–57 kg
No longer included in the Olympic program.
1952–2000: 67–71 kg
No longer included in the Olympic program.
