What is the exact size of all the Warhammer 40k bases?
These are the supported base sizes in 40K


Standard Infantry - 25mm round
Large Infantry - 40mm round
Monsters - 60mm round
Flyer - 90x120mm oval
Bike Bases - 25x70mm oval
Clear flight stands small - 30mm round
Clear flight stands large - 60mm round


For Fantasy:


Standard Infantry - 20mm square
Large Infantry - 25mm square
Monsters - 40mm square
Cavalry - 25x50mm rectangle