Hour to Second
Convert hr to s instantly — free, no sign-up.
—
About the Hour (hr)
The Hour is equal to 60 minutes, the standard unit for work shifts, flight durations, and billing rates.
About the Second (s)
The Second is the SI base unit of time, defined today by a fixed number of cesium-133 atom oscillations.
How to convert hr to s
- Enter the value in hr in the box above.
- The s equivalent updates instantly.
- Use the swap button to convert s back to hr just as easily.