Home   >   Unit Converters   >   Time

Hours (h) To Seconds (s) Converter Online

This is a free online Hours (h) to Seconds (s) conversion calculator. You can convert time from Hours (h) to Seconds (s) instantly using this tool.



The converted time will appear here right after we get your input.

Who decides how long a second is?

In the video below, John Kitching tells how scientists developed atomic clocks, which use the vibrations of atoms to measure and maintain a globally consistent time. You can also check the "Time" page on Wikipedia to learn more about the topic.

Research Service

Add to your bookmarks

If you like our website, please add it to your favorites, bookmarks or home screens on your devices.

Share the love

Do you find Toolbox 5 useful? Then share it with your friends, family, users or visitors please.

Contact us

Is there a bug somewhere? Do you have a new tool or feature request? Do you want to say "Hi!" only? Send us a message: [email protected]