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Hours to Seconds Converter

1 h = 3,600 s. Type any value to convert hours to seconds.

1 h = 3,600 s

Formula: s = h × 3,600

Common values
Decimals
In every unit 12 units
Nanosecond (ns) 3,600,000,000,000 ns
Microsecond (µs) 3,600,000,000 µs
Millisecond (ms) 3,600,000 ms
Second (s) 3,600 s
Minute (min) 60 min
Hour (h) 1 h
Day (d) 0.04166666667 d
Week (wk) 0.005952380952 wk
Month (mo) 0.001368953503 mo
Year (yr) 0.0001140794586 yr
Decade (dec) 0.00001140794586 dec
Century (c.) 0.000001140794586 c.

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Hours to seconds table

Formula: s = h × 3,600

Hour (h)Second (s)
0.1 h360 s
0.25 h900 s
0.5 h1,800 s
1 h3,600 s
2 h7,200 s
3 h10,800 s
4 h14,400 s
5 h18,000 s
6 h21,600 s
7 h25,200 s
8 h28,800 s
9 h32,400 s
10 h36,000 s
12 h43,200 s
15 h54,000 s
20 h72,000 s
25 h90,000 s
30 h108,000 s
40 h144,000 s
50 h180,000 s
60 h216,000 s
75 h270,000 s
100 h360,000 s
150 h540,000 s
200 h720,000 s
250 h900,000 s
500 h1,800,000 s
1,000 h3,600,000 s

How to use: Hours to Seconds

  1. 1 Type the value in hours.
  2. 2 The result in seconds appears at once – or type in the seconds field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of time.

About this tool

Hour (h) is a unit of time (metric, accepted for use with the SI); 1 h = 3,600 s. Second (s) is a unit of time (SI).

To convert hours to seconds, multiply the value by 3,600 (s = h × 3,600). Example: 24 h = 86,400 s.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert hours to seconds?

To convert hours to seconds, multiply the value by 3,600: s = h × 3,600. For example 24 h = 86,400 s.

What is 1 h in seconds?

1 h = 3,600 s. The other way round, 1 s = 0.0002777777778 h.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of time here?

Yes – choose any of the 12 units of time in the From and To lists, or switch to another measurement at the top.

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