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Convert seconds to hours

1 second equals 0.00027777778 hours. Enter a value below to convert instantly.

1 s
0.00027777778 h

Multiply the number of seconds by 0.000277777777778 to get hours. How this is calculated

Copy link puts your number after the #, which browsers never send to a server — but the link itself carries it, so anyone you send it to sees the value. Save keeps the unit pair in this browser only; clear it any time from your saved list.

Need the other direction? Convert hour to second →

Formula

Multiply the number of seconds by 0.000277777777778 to get hours.

Step by step

  1. Start with 1 s.
  2. Multiply by the conversion factor 0.000277777777778.
  3. 1 × 0.000277777777778 = 0.00027777778 h.

Seconds to Hours conversion table

Seconds (s) Hours (h)
1 0.00027777778
2 0.00055555556
5 0.0013888889
10 0.0027777778
30 0.0083333333
60 0.016666667
100 0.027777778
500 0.13888889
1,000 0.27777778

Convert Second to other time units

1 s expressed in every other time unit on this site.

  • Millisecond ms 1,000
  • Microsecond µs 1,000,000
  • Nanosecond ns 1,000,000,000
  • Picosecond ps 1,000,000,000,000
  • Femtosecond fs 1,000,000,000,000,000
  • Attosecond as 1e+18
  • Shake shake 100,000,000
  • Planck Time tP 1.8548584e+43
  • Minute min 0.016666667
  • Hour h 0.00027777778
  • Day d 0.000011574074
  • Week wk 0.0000016534392
  • Fortnight fortnight 8.2671958e-7
  • Month mo 3.8026486e-7
  • Quarter qtr 1.2675495e-7
  • Year yr 3.1688739e-8
  • Decade decade 3.1688739e-9
  • Century century 3.1688739e-10
  • Millennium millennium 3.1688739e-11
  • Day (sidereal) d (sid) 0.000011605763
  • Hour (sidereal) h (sid) 0.00027853831
  • Minute (sidereal) min (sid) 0.016712299
  • Second (sidereal) s (sid) 1.0027379
  • Week (Julian) wk (Jul) 0.0000016534392
  • Month (synodic) mo (syn) 3.9193494e-7
  • Year (Julian) yr (Jul) 3.1688088e-8
  • Year (leap) yr (leap) 3.1623153e-8
  • Year (tropical) yr (trop) 3.1688761e-8
  • Year (sidereal) yr (sid) 3.1687536e-8
  • Year (common) yr (365d) 3.1709792e-8
  • Quinquennial 5 yr 6.3419584e-9
  • Septennial 7 yr 4.5299703e-9
  • Octennial 8 yr 3.963724e-9
  • Novennial 9 yr 3.5233102e-9
  • Quindecennial 15 yr 2.1139861e-9

About the second

The second (s) is a SI unit of time. The SI base unit of time, defined by the caesium-133 hyperfine transition.

About the hour

The hour (h) is a Other unit of time.

Where this conversion is used

Converting seconds to hours comes up when scheduling, timers, project planning, and physics. Month and year use average calendar lengths, so they are approximate for any specific date range.

Related conversions

Frequently asked questions

How many hours are in a second?

One second equals 0.00027777778 hours.

How do you convert seconds to hours?

Multiply the number of seconds by 0.000277777777778 to get hours.

What is 1 hour in seconds?

One hour equals 3,600 seconds.

When would I convert seconds to hours?

This conversion is common when scheduling, timers, project planning, and physics.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.