From GHQ comes Micro Armour: The Game – WWII. The authors write:
GAME SCALE
1 sq. inch stand = 1 platoon
1 inch of terrain = 100 yds/meters
1 turn = 3 minutes battle timeSince its release in 2001 “Micro Armour: The Game – WWII” has been one of the most popular platoon level rule sets for micro scale games around the world. Designed for both beginners and skilled players, this unabridged, full-color edition includes updated in-depth rules with examples covering ground combat, air strikes, movement, and terrain.
Source: miniaturewargaming.com