Convert Weeks to Days

1 wk = 7 d

1 wk = 7 d

weeks (wk) days (d)
0.5 3.5
1 7
2 14
5 35
10 70
25 175
50 350
100 700
250 1750
500 3500
1000 7000

To convert weeks to days, multiply the value by the conversion factor:

1 wk = 7 d

For example: 10 wk = 70 d

The Conversion Formula

To convert weeks to days, multiply the value by the conversion factor: 1 wk = 7 d. For a worked example, suppose you need to convert 25 wk to days: 25 × 7 = 175 d. To convert in the opposite direction, divide by 7, or equivalently multiply by 0.142857.

About weeks

The seven-day week has no basis in astronomy, unlike the day, month, or year. It likely originates from the seven celestial bodies visible to the naked eye (Sun, Moon, Mars, Mercury, Jupiter, Venus, Saturn). It has been a continuous cycle for millennia, unbreaking even through calendar reforms. weeks are commonly used in Project sprints, Pregnancy (weeks), Pay periods, and School terms, Recovery times.

A pregnancy is typically 40 weeks.

About days

A day is the time it takes for Earth to complete one rotation. While a 'solar day' varies slightly, our civil day is fixed at exactly 24 hours or 86,400 seconds. It is the fundamental cycle of human life. days are commonly used in Calendar planning, Hotel stays, Shipping times, and Subscription trials, Vacation length.

Earth spins once on its axis in one day.

When Would You Convert weeks to days?

Converting between weeks and days is one of the most common time conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 wk = 7 d) memorized or bookmarked can save time in professional and everyday contexts alike.