MMA
Strawweight (słomkowa)- 115 funtów; 52.16 kg; skrót SW
Świat:
- UFC champion – b/d
- Bellator champion – b/d
- PFL champion – b/d
- ONE Championship* champion – Joshua Pacio
- M-1 Global champion – b/d
- ACA champion – b/d
Polska:
- KSW champion – b/d
- FEN champion – b/d
Flyweight (musza)- 125 funtów; 56.69 kg; skrót: FLW
Świat:
- UFC champion – Henry Cejudo
- Bellator champion – b/d
- PFL champion – b/d
- ONE Championship champion – Adriano Moraes
- M-1 Global champion – Aleksander Doskalchuk
- ACA champion –Yunus Evloev
Polska:
- KSW champion – b/d
- FEN champion – b/d
Bantamweight (kogucia)- 135 funtów; 61.29 kg; skrót: BW
Świat:
- UFC champion – Henry Cejudo
- Bellator champion – Kyoji Horiguchi
- PFL champion – b/d
- ONE Championship champion – Bibiano Fernandes
- M-1 Global champion – Sergey Morozov
- ACA champion – Rustam Kerimov
Polska:
- KSW champion – Antun Račić
- FEN champion – b/d
Featherweight (piórkowa)- 145 funtów; 65.83 kg; skrót: FW
Świat:
- UFC champion – Max Holloway
- Bellator champion – Patricio “Pitbull” Freire
- PFL champion – Lance Palmer
- ONE Championship champion – Martin Nguyen
- M-1 Global champion – Nate Landwehr
- ACA champion – Felipe Froes
Polska:
- KSW interim champion – Salahdine Parnasse
- FEN champion – Daniel Rutkowski
Lightweight (lekka)- 155 funtów; 70.37 kg; skrót: LW
Świat:
- UFC champion – Khabib Nurmagomedov
- Bellator champion – Patricio “Pitbull” Freire
- PFL champion – Natan Schulte
- ONE Championship champion – Christian Lee
- M-1 Global champion – Roman Bogatov
- ACA champion – Ali Bagov
Polska:
- KSW interim champion – Norman Parke
- FEN champion – Mateusz Rębecki
Welterweight (półśrednia)- 170 funtów; 77.18 kg; skrót: WW
Świat:
- UFC champion – Kamaru Usman
- Bellator champion – Douglas Lima
- PFL champion – Magomed Magomedkerimov
- ONE Championship champion – Kiamrian Abbasov
- M-1 Global champion – Shavkat Rakhmonov
- ACA champion – Albert Tumenov
Polska:
- KSW champion – Roberto Soldic
- FEN champion – b/d
Middleweight (średnia)- 185 funtów; 84 kg; skrót: MW
Świat:
- UFC champion –Israel Adesanya
- Bellator champion – Rafael Lovato Jr.
- PFL champion – Louis Taylor
- ONE Championship champion – Aung La N’Sang
- M-1 Global champion – Bruno Silva
- ACA champion – Salamu Abdurakhmanov
Polska:
- KSW champion – Scott Askham
- FEN champion – b/d
Light Heavyweight (półciężka)- 205 funtów; 93 kg, skrót: LHW
Świat:
- UFC champion – Jon Jones
- Bellator champion – Ryan Bader
- PFL champion – Sean O’Connell
- ONE Championship champion – Aung La N’Sang
- M-1 Global champion – b/d
- ACA champion – Dovletdzhan Yagshimuradov
Polska:
- KSW champion – Tomasz Narkun
- FEN champion –
Heavyweight (ciężka)- 265 funtów; 120.31 kg; skrót: HW
Świat:
- UFC champion – Stipe Miocic
- Bellator champion – Ryan Bader
- PFL champion – Philipe Lins
- ONE Championship champion – Brandon Vera
- M-1 Global champion – b/d
- ACA champion – Evgeny Goncharov
Polska:
- KSW champion – Philip De Fries
- FEN champion – b/d
WMMA
Atomweight (atomowa)- 105 funtów; 47.62 kg; skrót AW
Świat:
- UFC champion – b/d
- Bellator champion – b/d
- PFL champion – b/d
- ONE Championship champion – Angela Lee
- M-1 Global champion – b/d
- Invicta FC – Jinh Yu Frey
Polska:
- KSW champion – b/d
- FEN champion – b/d
Strawweight (słomkowa)- 115 funtów; 52.16 kg; skrót SW
Świat:
- UFC champion – Weili Zhang
- Bellator champion – b/d
- PFL champion – b/d
- ONE Championship champion – Jingnan Xiong
- M-1 Global champion – b/d
- Invicta FC – Kanako Murata
Polska:
- KSW champion – b/d
- FEN champion – b/d
Flyweight (musza)- 125 funtów; 56.69 kg; skrót: FLW
Świat:
- UFC champion – Valentina Shevchenko
- Bellator champion – Ilima-Lei Macfarlane
- PFL champion – b/d
- ONE Championship champion – b/d
- M-1 Global champion – b/d
- Invicta FC – Vanessa Porto
Polska:
- KSW champion – b/d
- FEN champion – b/d
Bantamweight (kogucia)- 135 funtów; 61.29 kg; skrót: BW
Świat:
- UFC champion – Amanda Nunes
- Bellator champion – b/d
- PFL champion – b/d
- ONE Championship champion – b/d
- M-1 Global champion – b/d
- Invicta FC – Sarah Kaufman
Polska:
- KSW champion – b/d
- FEN champion – b/d
Featherweight (piórkowa)- 145 funtów; 65.83 kg; skrót: FW
Świat:
- UFC champion – Amanda Nunes
- Bellator champion – Julia Budd
- PFL champion – b/d
- ONE Championship champion – b/d
- M-1 Global champion – b/d
- Invicta FC – Pam Sorenson
Polska:
- KSW champion – b/d
- FEN champion – b/d
*W przypadku kategorii ONE Championship ważenie odbywa się w dniu walki w związku z czym limity wagowe są przesunięte – kategoria lekka to 77 kg zamiast 70 kg, kategoria półśrednia to 84 kg zamiast 77 kg itd.