1/12

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 United States Marine Corps

• 1/12 or 1:12 scale

• Maximum slope of a wheelchair ramp under regulations in several countries

• 1 (disambiguation)

• 12 (disambiguation)

• 112 (disambiguation)

• 11/2 (disambiguation)

• 12/1 (disambiguation)

• 121 (disambiguation)

• -1/12