1/4

1/4 or 1⁄4 or ¼ may refer to:

• The calendar date January 4, in month-day format
• The calendar date 1 April in day-month format
• 1st Battalion, 4th Marines, an infantry battalion in the United States Marine Corps
• A fraction of one fourth, one quarter, 25% or 0.25
• 1/4 (single album), a single album by South Korean band Onewe