Weeks to Days Converter
One Week equals 7 Days (1 wk = 7 d). Multiply a Week value by 7 to get the equivalent in Days. The calculator is above; the formula and worked examples are below.
Formula
d = wk × 7
Multiply the Week value by 7 to get the equivalent value in Days.
Example Conversions
1 Week (wk)
7 Day (d)
5 Week (wk)
35 Day (d)
10 Week (wk)
70 Day (d)
25 Week (wk)
175 Day (d)
100 Week (wk)
700 Day (d)
Conversion Table
| Week (wk) | Day (d) |
|---|---|
| 0.1 | 0.7 |
| 0.5 | 3.5 |
| 1 | 7 |
| 2 | 14 |
| 5 | 35 |
| 10 | 70 |
| 25 | 175 |
| 50 | 350 |
| 100 | 700 |
| 250 | 1750 |
| 500 | 3500 |
| 1000 | 7000 |
How to Convert Manually
Use these steps to convert Week values to Day without the calculator.
- Write down the value in Week (wk) that you want to convert.
- Multiply that value by 7.
- For example, 10 Weeks × 7 = 70 Days.
- Label the result as Day (d).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Week and one Day.
About Week and Day
The week is 7 days, or 604,800 seconds. Payroll cycles, pregnancy tracking, and training plans are organized by weeks. The day is 86,400 seconds (24 hours). Deadlines, rental periods, and medication schedules count in days. One Week equals 7 Days (1 wk = 7 d). Week is used in payroll and work schedules and in pregnancy and medical tracking. Day is used in project deadlines.
Precision and Rounding:Units up to the week are exact; months, years, decades, and centuries are calendar averages (this converter uses a 365-day year and a month of one twelfth of that), so converted values are approximations for scheduling, not for date arithmetic. Use a calendar library when exact dates matter.
SI time units follow the BIPM SI Brochure; month and year conversions use the documented average calendar values shown on this site (reference).
Worked Example
15Weeks equals105Days.
15 wk × 7 = 105 d
FAQ
How do I convert Week to Day?
Multiply the Week value by 7 to get the equivalent value in Days.
What is the formula for Week to Day?
The formula is d = wk × 7.
How many Days are in 1 Week?
1 Week equals 7 Days.
Can I convert Day back to Week?
Yes. 1 Day equals 0.1428571429 Weeks, and the related converter can reverse the calculation.
What are common names for Week and Day?
Week is shown as wk and may also be searched as weeks, week. Day is shown as d and may also be searched as days.
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