Convert weeks to seconds
Converting weeks to seconds 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 604,800 s, 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 seconds
To convert weeks to seconds, multiply the number of weeks by 604,800. For example, 10 wk × 604,800 = 6,048,000 s.
s = wk × 604,800
- Write down the value in weeks you want to convert.
- Multiply it by 604,800 (the exact wk→s factor).
- The result is your value in seconds. Check it below with the converter or the table.
Conversion table
Common values of weeks and their equivalents in seconds:
| wk | s |
|---|---|
| 1 | 604,800 |
| 2 | 1,209,600 |
| 3 | 1,814,400 |
| 4 | 2,419,200 |
| 5 | 3,024,000 |
| 10 | 6,048,000 |
| 20 | 12,096,000 |
| 25 | 15,120,000 |
| 50 | 30,240,000 |
| 100 | 60,480,000 |
| 250 | 151,200,000 |
| 500 | 302,400,000 |
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.
Second (s). The second is the SI base unit of time, defined by the cesium-133 atomic transition frequency of 9,192,631,770 hertz. It is the foundation of all time measurement.
Frequently asked questions
How do I convert weeks to seconds?
To convert weeks to seconds, multiply the number of weeks by 604,800. For example, 10 wk × 604,800 = 6,048,000 s. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many seconds are in 1 week?
1 wk = 604,800 s. That is the fixed relationship used by this converter and by international standards.
How many weeks are in 1 second?
1 s = 0.00000165344 wk. If you are converting in the opposite direction, use our Second to Week converter for the dedicated table and FAQ.
Is the weeks to seconds conversion exact?
Yes. Both units are defined by international agreement, so the factor of 604,800 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.