How to convert weeks to days
To convert weeks to days, multiply by 7. Time conversions help with scheduling, payroll, project estimates, science and everyday planning. A year here is the Gregorian average of 365.2425 days.

Week to Day conversion table
| Week (wk) | Day (d) |
|---|---|
| 0.1 wk | 0.7 d |
| 0.5 wk | 3.5 d |
| 1 wk | 7 d |
| 2 wk | 14 d |
| 3 wk | 21 d |
| 4 wk | 28 d |
| 5 wk | 35 d |
| 10 wk | 70 d |
| 20 wk | 140 d |
| 25 wk | 175 d |
| 50 wk | 350 d |
| 100 wk | 700 d |
| 500 wk | 3,500 d |
| 1,000 wk | 7,000 d |
About the units
Week (wk)
A week is exactly 7 days, or 168 hours.
Day (d)
A day is 24 hours, or 86,400 seconds (ignoring leap seconds).
How to use this converter
- Type the number of weeks (wk) in the input box.
- The result in days appears instantly — no button needed.
- See the same value in every other time unit just below.
- Use “Swap units” to convert days back to weeks.
When you’ll use the week to day conversion
Converting weeks to days comes up more often than you might expect — for example when estimating how long a project will take, planning study or training schedules, or converting video or audio lengths. Type your number once and you get the exact answer plus every related unit, so you don’t need to convert twice.
💡 The factor is exact and easy to remember: 1 wk = 7 d.
Watch out for these mix-ups
- A year here is the average Gregorian year (365.2425 days), not exactly 365.
- Months vary in length, so “a month” is not a fixed number of days.

Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many days are in one week?
One week equals 7 days. 7 is the exact factor used by this converter.
How do I convert weeks to days?
Multiply the value in weeks by 7. To go the other way, multiply days by 0.142857142857.
What is 10 wk in d?
10 wk = 70 d. Also, 5 wk = 35 d and 100 wk = 700 d.
What is the difference between a week and a day?
A week is exactly 7 days, or 168 hours. A day is 24 hours, or 86,400 seconds (ignoring leap seconds).
Is this tool free and private?
Yes — the Week to Day is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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