Hour to Second

1 h = 3,600 s

Value

From

Precision & format

Significant figures

Notation

1 h equals

3,600s

All 16 units

Seconds
3,600
Millisecondms
3,600,000
Microsecondµs
3,600,000,000
Nanosecondns
3,600,000,000,000
Picosecondps
3.6 × 10¹⁵
Minutemin
60
Hourh
1
Dayd
0.04166666667
Weekwk
0.005952380952
Fortnightfn
0.002976190476
Monthmo
mean Gregorian
0.001368953503
Yearyr
mean Gregorian, 365.2425 d
0.0001140794586
Julian yeara (Julian)
exactly 365.25 d
0.0001140771161
Decadedec
0.00001140794586
Centuryc
0.000001140794586
Millenniumka
1.140794586 × 10⁻⁷

Hour to Second table

Common Hour values converted to Second
Hour (h)	Second (s)
1	3,600
2	7,200
5	18,000
10	36,000
20	72,000
50	180,000
100	360,000
250	900,000
500	1,800,000
1,000	3,600,000

How the conversion works

Multiply the hour figure by 3,600 to get second. Every factor on this site is anchored to the SI base unit for time, so the same number is used everywhere it appears.

Going the other way, 1 s = 0.00027777778 h — see second to hour.

See all 16 time units →