Convert hour to second
Enter the value to convert from hour to second.
OR
25 hours
How to Convert Hour to Second
Converting hour to second is straightforward using our conversion calculator.
Conversion Formula
s = h × 3600Reverse conversion: Convert second to hour
Comparison: Hour vs Second
When to Use Each Unit
Hour: Primary unit for work schedules, travel time, billing rates, and organizing daily activities worldwide.
Second: Universal time unit for scientific measurements, computing, engineering, and precise timing applications worldwide.
Common Conversion Values
- 1 h = 60 min
- 24 h = 1 day
- 168 h = 1 week
- 1 h = 3,600 s
About Hour
Definition: The hour (symbol: h) is a unit of time equal to 60 minutes or 3,600 seconds, standard for daily scheduling.
History: Ancient Egyptian and Babylonian origins. Modern 24-hour day system established by ancient astronomers and timekeepers.
Current Use: Primary unit for work schedules, travel time, billing rates, and organizing daily activities worldwide.
Examples: Work day: 8 hours, sleep: 7-9 hours, flight time: 1-15 hours, movie: 1.5-3 hours
About Second
Definition: The second (symbol: s) is the SI base unit of time, defined as the duration of 9,192,631,770 periods of radiation from cesium-133 atoms.
History: Originally defined as 1/86400 of a mean solar day. Redefined in 1967 using atomic transitions for unprecedented accuracy.
Current Use: Universal time unit for scientific measurements, computing, engineering, and precise timing applications worldwide.
Examples: Computer processing: microseconds, sports timing: hundredths of seconds, atomic clocks: nanosecond precision