wk

Units & Measurements abbreviation · Time

wk
Stands forWeek
CategoriesUnits & Measurements

wk stands for Week, a time abbreviation.

Seven days. The abbreviation appears in schedules, calendars, pregnancy tracking (38 wk gestation), payroll, workout plans and medical follow-up instructions.

Example: Follow up in clinic in 2 wk to recheck the incision.

Usage notes

Write wks for more than one. ISO 8601 numbers the weeks of a year W01 to W52 or W53, each starting on Monday, with week 1 being the week that contains the year's first Thursday. Pregnancy is dated in weeks from the first day of the last menstrual period, about 40 weeks in total.

More time abbreviations

  • QoQ – Quarter over quarter
  • QTD – Quarter to date
  • qtr – Quarter
  • s – Second
  • sec – Second
  • T – Time designator (ISO 8601)
  • WoW – Week over week
  • YoY – Year over year
  • yr – Year
  • YTD – Year to date
  • YY – Year (two-digit)
  • YYYY – Year (four-digit)

See all 51 time abbreviations →