Convert Week to Second

One wk equals 604,800 s. This converter allows you to easily convert between Week and Second in real time.

Formula

wk × 604,800 = s

Example: 1 wk = 604,800 s

What is Week?

A week consists of 7 days, or exactly 604,800 seconds. The seven-day cycle has ancient origins, often attributed to the Babylonians who divided the roughly 29.5-day lunar month into four parts. Today, the week structures the rhythm of work, school, and social life across most cultures, with the common pattern of five workdays and a two-day weekend. Phrases like "this weekend," "biweekly," and "next week" are among the most frequently used time references in daily conversation.

What is Second?

The second is the base unit of time in the International System of Units (SI). Originally defined as 1/86,400 of a mean solar day, it has been defined since 1967 by the radiation corresponding to 9,192,631,770 periods of the cesium-133 atom's ground-state hyperfine transition. Seconds are essential for precise timing in athletics, traffic signals, heart-rate monitoring, and scientific experiments. In computing and networking, latency and response times are measured in seconds or milliseconds.