Convert Hours to SecondsHow many seconds are in an hour? Easy hr to s conversion.
1 Hour =
HoursAn hour is a unit of time equal to 60 minutes, or 3,600 seconds.
Common abbreviations: hr, h
SecondsA second is the base unit of time. Originally, it was based on the length of the day, but it has since been standardized based on the radiation wavelength of caesium-133.
Common abbreviations: s, sec