Convert second to hour

Enter the value to convert from second to hour.

s
h
Result: 25 seconds (s) = 0.00694444444444 hours (h)

How to Convert Second to Hour

Converting second to hour is straightforward using our conversion calculator.

Conversion Formula

h = s ÷ 3600

Reverse conversion: Convert hour to second

Comparison: Second vs Hour

When to Use Each Unit

Second: Universal time unit for scientific measurements, computing, engineering, and precise timing applications worldwide.

Hour: Primary unit for work schedules, travel time, billing rates, and organizing daily activities worldwide.

Common Conversion Values

  • 60 s = 1 min
  • 3,600 s = 1 h
  • 86,400 s = 1 day
  • 1 s = 1000 ms

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

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

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