1 hours to seconds

Updated July 2026

1 hours equals 3,600 s

1 hour = 3,600 s. That is how many seconds there are in 1 hour. Enter any value in the free time converter to convert hours to seconds (and every other unit) instantly — it runs privately in your browser.

Formula: Multiply by 3,600 — 1 hour = 3,600 seconds. So 1 × 3,600 = 3,600 s.

hours to seconds conversion table

hour (hr)seconds (s)
0.25 hr900 s
0.5 hr1,800 s
0.75 hr2,700 s
1 hr3,600 s
1.25 hr4,500 s
1.5 hr5,400 s
1.75 hr6,300 s

Frequently asked questions

How many seconds is 1 hour?
1 hour is 3,600 seconds. Multiply hours by 3,600 to get seconds.
What is 1 hours to seconds?
1 hour = 3,600 s.
How do you convert hours to seconds?
Multiply by 3,600 — 1 hour = 3,600 seconds. So 1 × 3,600 = 3,600 s.

Other hours to seconds conversions

Convert 1 hours to other units