Weeks to days

Type a value in weeks to see it in days straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the weeks box.
  2. Read the result in days as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

d = wk × 7

Multiply the value in weeks by 7 to get days.

Example

To convert 25 wk to days: 25 × 7 = 175 d.

Conversion table

Weeks (wk)Days (d)
17
214
321
535
1070
20140
25175
50350
100700
2501,750
5003,500
1,0007,000

About the units

Week
A week is 7 days, exactly 604,800 seconds.
Day
A day is 24 hours, exactly 86,400 seconds for calculation purposes.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many days are in one week?

1 wk = 7 d exactly.

How do I convert weeks to days?

Use d = wk × 7. For example, 25 wk = 175 d.

How many weeks are in one day?

1 d = 0.142857 wk.

How many days are in a month and a year here?

A year is the average Gregorian year of 365.2425 days and a month is 1/12 of that, 30.436875 days. Results are averages, so use a date calculator for the gap between two specific dates.

How is a Hijri year compared with a Gregorian year?

We use the tabular Islamic calendar average of about 354.367 days, so a Hijri year is roughly 11 days shorter than a Gregorian one. The result is approximate because real Hijri months follow the moon sighting.