In many styles of wrestling, opponents are matched based on weight.

Weight classes in Olympic events are: (maximum weight listed)

• light flyweight, 48 kg
• flyweight, 52 kg
• bantamweight, 57 kg
• featherweight, 62 kg
• lightweight, 68 kg
• welterweight, 74 kg
• middleweight, 82 kg
• light heavyweight, 90 kg
• heavyweight, 100 kg
• super heavyweight, more than 100 kg, maximum 130 kg.

See also : Wrestling

NEW Olympic WEIGHT CLASSES as of February 2002

• 50 to 55 kg
• 60 kg
• 66 kg
• 74 kg
• 84 kg
• 96 kg
• 96 to 120 kg

See Official FILA Website: http://www.fila-wrestling.com/beta/fila/files/regles2002_an.doc

Olympic Weight Classes for Women's Wrestling

• 48 kg
• 51 kg
• 55 kg
• 59 kg
• 63 kg
• 67 kg
• 72 kg

As of 2005, the United States high school weight classes were: 103 lb, 112 lb, 119 lb, 125 lb, 130 lb, 135 lb, 140 lb, 145 lb, 152 lb, 160 lb, 171 lb, 189 lb, 215 lb, 275 lb

As of 2005, the United States collegiate weight classes were: 125 lb, 133 lb, 141 lb, 149 lb, 157 lb, 165 lb, 174 lb, 184 lb, 197 lb, 285 lb