Weeks to Days
Convert weeks to days with visual comparison bars
3 wk × 7 = 21 d
Days (d)
21 days
d = wk × 7
About this calculator
Convert weeks to days with the simple formula d = wk × 7. Useful for project planning, pregnancy tracking, scheduling, and any situation where you need to know the total number of days in a given number of weeks. The calendar grid visual makes it easy to see each week and day at a glance.
Common examples
- 1 wk = 7 days
- 2 wk = 14 days — two weeks
- 4 wk = 28 days — roughly one month
- 52 wk = 364 days — one full year
- 3 wk = 21 days — three weeks