Time Converter
Result
... Hour = ... Second
Find the units to convert
Hour to Second Converter
Use this page to convert hour values into second, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 h = 3,600 s
1 s = 0.000277777777777778 h
Example: 48 h = 172,800 s
Hour
An hour equals 60 minutes or 3,600 seconds.
History: Hours became standard in civil timekeeping through mechanical and astronomical systems.
Current use: Hours are used in work logs, travel, and timetables.
Also written as h, hr, hrs, hours.
Second
A second is the SI base unit of time.
History: The modern second is defined from the radiation frequency of cesium.
Current use: Seconds are used in science, clocks, and digital systems.
Also written as s, sec, secs, seconds.
Hour to Second table
| Hour [h] | Second [s] |
|---|
| 0.01 h | 36 s |
| 0.1 h | 360 s |
| 1 h | 3,600 s |
| 2 h | 7,200 s |
| 5 h | 18,000 s |
| 10 h | 36,000 s |
| 20 h | 72,000 s |
| 50 h | 180,000 s |
| 100 h | 360,000 s |
Frequently asked questions
How many Second (s) are in one Hour (h)?
One Hour equals 3,600 Second.
How do you convert Hour to Second?
Multiply the Hour value by 3,600 to get the result in Second.
How do you convert Second back to Hour?
Multiply the Second value by 0.000277777777777778 to get back to Hour.
What is 48 Hour in Second?
48 Hour equals 172,800 Second.
