Hours to Seconds Converter

Convert hours to seconds (h to s) instantly. 1 hour = 3,600 s. Includes the formula and a conversion table.

s = h × 3,600

How to convert hours to seconds

s = h × 3,600

One hour equals 3,600 s, so multiply the value in hours by 3,600. Example: 10 h = 36,000 s.

A month is taken as the average Gregorian month (30.436875 days) and a year as 365.25 days. For exact calendar spans between two dates, use the date difference calculator.

Hours to seconds conversion table

Hours (h)Seconds (s)
1 h3,600 s
2 h7,200 s
3 h10,800 s
5 h18,000 s
10 h36,000 s
15 h54,000 s
20 h72,000 s
25 h90,000 s
50 h180,000 s
75 h270,000 s
100 h360,000 s
250 h900,000 s
500 h1,800,000 s
1,000 h3,600,000 s

More time conversions

Frequently asked questions

How many seconds are in 1 hour?

1 hour is equal to 3,600 s.

How do I convert hours to seconds?

Multiply the number of hours by 3,600. For example, 10 h × 3,600 = 36,000 s.

How do I convert seconds back to hours?

Use the formula h = s × 0.0002777778, or open the seconds to hours converter.

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