What is a Second (s)?

A second (s) is the SI base unit of time, defined by the cesium-133 atomic transition.

Definition

Symbol

s

Category

Time

System

SI

1 {unit} = {value} {otherUnit}

1 Second = 1000 Millisecond (ms)

1 Second = 0.0166667 Minute (min)

1 Second = 0.000277778 Hour (h)

1 Second = 0.0000115741 Day (day)

1 Second = 0.00000165344 Week (week)

Common Uses

  • Timing events
  • Cooking timers
  • Heartbeat measurement

Second Conversions

Related Units