Convert weeks to days
Converting weeks to days is a common time task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 wk equals 7 d, the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert weeks to days
To convert weeks to days, multiply the number of weeks by 7. For example, 10 wk × 7 = 70 d.
d = wk × 7
- Write down the value in weeks you want to convert.
- Multiply it by 7 (the exact wk→d factor).
- The result is your value in days. Check it below with the converter or the table.
Conversion table
Common values of weeks and their equivalents in days:
| wk | d |
|---|---|
| 1 | 7 |
| 2 | 14 |
| 3 | 21 |
| 4 | 28 |
| 5 | 35 |
| 10 | 70 |
| 20 | 140 |
| 25 | 175 |
| 50 | 350 |
| 100 | 700 |
| 250 | 1,750 |
| 500 | 3,500 |
About these units
Week (wk). A week equals 7 days or 604,800 seconds. It is the standard cycle for work schedules and calendar planning, independent of month lengths.
Day (d). A day equals 24 hours or 86,400 seconds, approximating one rotation of the Earth. Calendars, deadlines and project plans are built on days.
Frequently asked questions
How do I convert weeks to days?
To convert weeks to days, multiply the number of weeks by 7. For example, 10 wk × 7 = 70 d. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many days are in 1 week?
1 wk = 7 d. That is the fixed relationship used by this converter and by international standards.
How many weeks are in 1 day?
1 d = 0.142857 wk. If you are converting in the opposite direction, use our Day to Week converter for the dedicated table and FAQ.
Is the weeks to days conversion exact?
Yes. Both units are defined by international agreement, so the factor of 7 is exact. Displayed results are rounded to 6 significant digits only for readability.
What is week used for?
A week equals 7 days or 604,800 seconds. It is the standard cycle for work schedules and calendar planning, independent of month lengths.