How to convert weeks to seconds
To convert a measurement in weeks to seconds, multiply the value by 604,800. The conversion factor comes from the relationship between both units and the second.
For example, to convert 5 wk to seconds: 5 × 604,800 = 3,024,000 s.
What is a week?
A week is a unit of time equal to 7 days or 604,800 seconds. The seven-day week has ancient roots in Babylonian astronomy and Jewish tradition, and unlike other calendar units it has no basis in astronomical cycles, running continuously for millennia.
Common uses of weeks include: Work and school scheduling; Pay periods and billing cycles; Pregnancy and gestation tracking; Project sprints and planning.
What is a second?
A second is the SI base unit of time, defined by the radiation period of the caesium-133 atom (9,192,631,770 cycles). Historically defined as 1/86,400 of a mean solar day, the second was redefined in 1967 using atomic clocks, making it one of the most precisely realized units in all of science.
Common uses of seconds include: Scientific timing and physics experiments; Sports timing and lap records; Computing timeouts and latency measurements; Everyday stopwatch and countdown timing.
Weeks to seconds worked examples
Here are some common values converted:
1 wk = 604,800 s 5 wk = 3,024,000 s 10 wk = 6,048,000 s 50 wk = 30,240,000 s 100 wk = 60,480,000 s
Frequently asked questions
How many seconds are in one week?
One week (wk) equals 604,800 seconds (s). Multiply any value in weeks by 604,800 to convert to seconds.
How do I convert weeks to seconds?
Multiply the value in weeks by 604,800. For example, 5 wk × 604,800 = 3,024,000 s.
How do I convert seconds to weeks?
Multiply the value in seconds by 0.000001653439, or divide by 604,800. Use the swap button on the converter above to reverse the direction.
Is the week to second conversion exact?
Fixed units (second through week) are exact. Month and year use the average Gregorian calendar length (30.44 and 365.2425 days) since these vary in practice.
What is the formula for weeks to seconds?
The formula is: s = wk × 604,800. This comes from the definition of both units relative to the second.