1/12 may refer to: January 12 (month-day date notation) December 1 (day-month date notation) January 12 AD (month-year date notation) 1 AD December (year-month date notation) 1st Battalion, 12th Marines, an artillery battalion of the US Marine Corps 1/12 or 1:12 scale Maximum slope of a wheelchair ramp under regulations in several countries
See also
1 (disambiguation) 12 (disambiguation) 112 (disambiguation) 11/2 (disambiguation) 12/1 (disambiguation) 121 (disambiguation) -1/12