Week to Day Converter
One Week equals 7 Day (1 wk = 7 d). Multiply a Week value by 7 to get the equivalent in Day. Use the calculator above for instant results, or follow the formula, worked examples, and reference table below.
Formula
d = wk × 7
Multiply the Week value by 7 to get the equivalent value in Day.
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 Week × 7 = 70 Day.
- 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 Day (1 wk = 7 d). Week to Day conversion comes up most often in payroll and work schedules and in pregnancy and medical tracking, typically when figures need restating for 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.
Conversion factors per NIST Special Publication 811 and the BIPM SI Brochure (9th edition) (reference).
Worked Example
15 Week equals 105 Day.
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 Day.
What is the formula for Week to Day?
The formula is d = wk × 7.
How many Day are in 1 Week?
1 Week equals 7 Day.
Can I convert Day back to Week?
Yes. 1 Day equals 0.1428571429 Week, 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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