Unit Converters

Hours to Seconds Converter

Convert hours to seconds or seconds to hours with the exact rule of 3,600 seconds per hour. Useful for timeouts, video editing, shift planning, and scientific work.

Try
Converted time
3,600 s

1 hour → seconds

Conversion factor
×3,600
In minutes
60 min
Conversion factors are exact; rounding may affect the final digit.
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How it's calculated

s = hr × 3,600

hr = hours, s = seconds. 3,600 = 60 × 60. Reverse: hr = s ÷ 3,600.

Common values

HoursSeconds
0.5 h1800 s
1 h3600 s
2 h7200 s
8 h28800 s
24 h86400 s

Common questions

How many seconds are in an hour?

Exactly 3,600 seconds, since an hour is 60 minutes of 60 seconds each.

How many seconds are in a full day?

86,400 seconds, which is 24 hours times 3,600.