1/4

1/4 or 1⁄4 or ¼ or in decimal from 0.25 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