Hours to Seconds Converter

Convert hours to seconds instantly, with the formula and a h to s conversion table. 🔒 Runs in your browser

Convert to all units

Hour to second formula

s = h × 3600 · 1 hour = 3600 seconds

h to s conversion table

hours (h)seconds (s)
1 h3600 s
2 h7200 s
3 h10800 s
5 h18000 s
10 h36000 s
20 h72000 s
25 h90000 s
50 h180000 s
100 h360000 s
250 h900000 s
500 h1800000 s
1000 h3600000 s

How to use the Hours to Seconds converter

  1. Enter the value you want to convert.
  2. Pick the units to convert from and to (or click ⇄ to swap).
  3. Read the result instantly, with the formula and a full table below.

About this tool

Convert hours to seconds instantly, with the formula and a h to s conversion table. It is part of the free Converters collection on Online Tools Harbor. Everything happens locally in your browser, so it is fast and private.

Frequently asked questions

How do I convert hours to seconds?

Use the formula s = h × 3600. For example, 3 h = 10800 s.

How many seconds are in 1 hour?

1 hour = 3600 seconds. To convert, multiply the value in hours by 3600.

Is the Hours to Seconds free?

Yes. The Hours to Seconds is completely free to use, with no sign-up and no limits on normal use.

Is my data safe?

Yes. This tool runs entirely in your web browser using JavaScript. Your text is never uploaded to our servers.

Does it work on mobile?

Yes, it works in any modern browser on phones, tablets and computers. No app to install.

More time conversions

Hours to Minutes · Minutes to Hours · Days to Hours · Seconds to Minutes · Days to Minutes · Weeks to Days · Years to Days · Minutes to Seconds · Hours to Days · Days to Weeks

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