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Week Converters

Convert weeks to and from days, hours, minutes, seconds, months, years, and other time units.

What this tool does

Convert weeks to and from days, hours, minutes, seconds, months, years, and other time units. Type an amount in weeks, choose the units, and the tool converts it to days. It offers 8 time units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Second, Minute, Hour, Day, Week, Month (average Gregorian, 30.436875 days), Year (average Gregorian, 365.2425 days), Year (Julian, 365.25 days). Starts as Week.
  • To: Choose one of the same 8 units as "From". Starts as Day.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from weeks to days:

  • 1 wk = 7 d
  • 5 wk = 35 d
  • 10 wk = 70 d
  • 50 wk = 350 d
  • 100 wk = 700 d

Multiply the number of weeks by 7 to get days. Both units are exact definitions, so 7 is the exact factor: 1 wk = 7 d.

Sources: Week: exact by definition. Day: SI Brochure, 9th edition (2019), Table 8.

Limitations

  • Converts a length of time between units. It does not work out the time between two calendar dates.
  • Months and years are averages, not the length of any particular calendar month or year.

FAQs

Q: How many days are in one week?
A: One week is 7 days. Change the From and To boxes to convert any other pair of units.
Q: Can I convert the other way, from days to weeks?
A: Yes. Swap the From and To units. One day is 1/7 of a week, about 0.1429 weeks.
Q: How long is a month or a year here?
A: A month is the average Gregorian month, 30.436875 days, and a year is the average Gregorian year, 365.2425 days (97 leap years in every 400 years). Real months and years vary in length, so these are averages. The Julian year of exactly 365.25 days is also in the list.

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