Convert Seconds to Hours

Enter the time in seconds below to get the value converted to hours.

Results in Hours:

1 sec = 0.000278 hr

Do you want to convert hours to seconds?

How to Convert Seconds to Hours

conversion scale showing seconds and equivalent hours time values

To convert a second measurement to a hour measurement, multiply the time by the conversion ratio. One second is equal to 0.000278 hours, so use this simple formula to convert:

hours = seconds × 0.000278

The time in hours is equal to the seconds multiplied by 0.000278.

For example, here's how to convert 5 seconds to hours using the formula above.

5 sec = (5 × 0.000278) = 0.001389 hr

Seconds and hours are both units used to measure time. Keep reading to learn more about each unit of measure.

Seconds

The second has historically been defined as 1/60 of a minute or 1/86,400 of a day. The SI defines the second as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.

The second is the SI base unit for time in the metric system. Seconds can be abbreviated as sec, for example 1 second can be written as 1 sec.

Hours

The hour is a period of time equal to 1/24 of a day or 60 minutes.

The hour is an SI accepted unit for time for use with the metric system. Hours can be abbreviated as hr, for example 1 hour can be written as 1 hr.

Second Measurements and Equivalent Hour Conversions

Common second values converted to the equivalent hour value
Seconds	Hours
1 sec	0.000278 hr
2 sec	0.000556 hr
3 sec	0.000833 hr
4 sec	0.001111 hr
5 sec	0.001389 hr
6 sec	0.001667 hr
7 sec	0.001944 hr
8 sec	0.002222 hr
9 sec	0.0025 hr
10 sec	0.002778 hr
11 sec	0.003056 hr
12 sec	0.003333 hr
13 sec	0.003611 hr
14 sec	0.003889 hr
15 sec	0.004167 hr
16 sec	0.004444 hr
17 sec	0.004722 hr
18 sec	0.005 hr
19 sec	0.005278 hr
20 sec	0.005556 hr
21 sec	0.005833 hr
22 sec	0.006111 hr
23 sec	0.006389 hr
24 sec	0.006667 hr
25 sec	0.006944 hr
26 sec	0.007222 hr
27 sec	0.0075 hr
28 sec	0.007778 hr
29 sec	0.008056 hr
30 sec	0.008333 hr
31 sec	0.008611 hr
32 sec	0.008889 hr
33 sec	0.009167 hr
34 sec	0.009444 hr
35 sec	0.009722 hr
36 sec	0.01 hr
37 sec	0.010278 hr
38 sec	0.010556 hr
39 sec	0.010833 hr
40 sec	0.011111 hr