1/3

1/3 may refer to:

Dates[edit source]

 * January 3 (month-day date notation)
 * 1 March (day-month date notation)
 * January of the year 3 AD
 * March of the year 1 AD

Other uses[edit source]

 * A fraction (mathematics) of one third, written ⅓, 33.3...% or 0.33...
 * Item one of three items (Example: page 1 of 3 pages)
 * pre-decimal British sterling currency of 1 shilling and 3 pence
 * 1st Battalion 3rd Marines
 * See also
 * Third (disambiguation)