How many days are in a week?

There are 7 days in 1 week.

Detailed answer

One week is defined as 7 days (604,800 seconds here). Multiply weeks by 7 for days; divide days by 7 for weeks. This is exact for calendar weeks in common use.

Relationship context

Weeks organize payroll, sprints, and recurring events; days are the usual step below weeks in planning tools.

Quick conversion table

Week (wk)Day (d)
0.10.7
17
214
321
428
535
642
749
856
963
Week (wk)Day (d)
1070
20140
30210
40280
50350
60420
70490
80560
90630
100700

More Weeks converters

Dedicated pages from Week to every other hub time unit (year, month, week, day, hour, minute, second, millisecond).