Second conversions

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Convert seconds to

The second conversion selector above selects the time measurement unit to convert to starting from seconds (s). To make a conversion starting from a unit of time other than second, simply click on the "Reset" button.

What is second?

The second is the base unit of time in the International System of Units (SI). One second is equal to 109 nanoseconds (ns), or 106 microseconds (μs) or 103 milliseconds (ms), which are SI units of time. 1 second is also equal to 1/60 minutes (min), or 1/3,600 hours (h) or 1/86,400 days (d), which are non-SI units of time but accepted for use along with other SI units.

The seconds are commonly used throughout the world for timekeeping. Times of this magnitude (i.e., on the second time scale) can be measured by using a clock.