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