The middleweight division in the UFC refers to competitors who weigh in at or under 185 pounds for title fights, while for non-title bouts, they can weigh in up to 186 pounds). Here is a summary of the weight classes in the UFC:

Men’s UFC Weight Classes

• Heavyweight (265 lb, 120.2 kg)
• Light Heavyweight (205 lb, 93.0 kg)
• Middleweight (185 lb, 83.9 kg)
• Welterweight (170 lb, 77.1 kg)
• Lightweight (155 lb, 70.3 kg)
• Featherweight (145 lb, 65.8 kg)
• Bantamweight (135 lb, 61.2 kg)
• Flyweight (125 lb, 56.7 kg)

Women’s UFC Weight Classes

• Featherweight (145 lb, 65.8 kg)
• Bantamweight (135 lb, 61.2 kg)
• Flyweight (125 lb, 56.7 kg)
• Strawweight (115 lb, 52.2 kg)

Its important to note that weight classes are determined by a fighters weight during the official weigh-in, which takes place before the fight.