Hour (hr) Time Unit Conversions

Hours Conversion

The hour is a unit used to measure time. Use one of the conversion calculators below to convert to another unit of measure, or read on to learn more about hours.

Hour Conversion Calculators

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Related Calculators

hours to HH:MM:SS time

Hour Definition and Usage

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.

Hours Measurement Conversion Table

Hours and the equivalent time durations
hours	centuries	decades	years	months	weeks	days	minutes	seconds	milliseconds	microseconds	nanoseconds
1 hr	0.0000011408	0.000011408	0.000114 yr	0.001369 mo	0.005952 wk	0.041667 day	60 min	3,600 sec	3,600,000 ms	3,600,000,000 µs	3,600,000,000,000 ns
2 hr	0.0000022816	0.000022816	0.000228 yr	0.002738 mo	0.011905 wk	0.083333 day	120 min	7,200 sec	7,200,000 ms	7,200,000,000 µs	7,200,000,000,000 ns
3 hr	0.0000034224	0.000034224	0.000342 yr	0.004107 mo	0.017857 wk	0.125 day	180 min	10,800 sec	10,800,000 ms	10,800,000,000 µs	10,800,000,000,000 ns
4 hr	0.0000045632	0.000045632	0.000456 yr	0.005476 mo	0.02381 wk	0.166667 day	240 min	14,400 sec	14,400,000 ms	14,400,000,000 µs	14,400,000,000,000 ns
5 hr	0.000005704	0.00005704	0.00057 yr	0.006845 mo	0.029762 wk	0.208333 day	300 min	18,000 sec	18,000,000 ms	18,000,000,000 µs	18,000,000,000,000 ns
6 hr	0.0000068448	0.000068448	0.000684 yr	0.008214 mo	0.035714 wk	0.25 day	360 min	21,600 sec	21,600,000 ms	21,600,000,000 µs	21,600,000,000,000 ns
7 hr	0.0000079856	0.000079856	0.000799 yr	0.009583 mo	0.041667 wk	0.291667 day	420 min	25,200 sec	25,200,000 ms	25,200,000,000 µs	25,200,000,000,000 ns
8 hr	0.0000091264	0.000091264	0.000913 yr	0.010952 mo	0.047619 wk	0.333333 day	480 min	28,800 sec	28,800,000 ms	28,800,000,000 µs	28,800,000,000,000 ns
9 hr	0.000010267	0.000103	0.001027 yr	0.012321 mo	0.053571 wk	0.375 day	540 min	32,400 sec	32,400,000 ms	32,400,000,000 µs	32,400,000,000,000 ns
10 hr	0.000011408	0.000114	0.001141 yr	0.01369 mo	0.059524 wk	0.416667 day	600 min	36,000 sec	36,000,000 ms	36,000,000,000 µs	36,000,000,000,000 ns
11 hr	0.000012549	0.000125	0.001255 yr	0.015058 mo	0.065476 wk	0.458333 day	660 min	39,600 sec	39,600,000 ms	39,600,000,000 µs	39,600,000,000,000 ns
12 hr	0.00001369	0.000137	0.001369 yr	0.016427 mo	0.071429 wk	0.5 day	720 min	43,200 sec	43,200,000 ms	43,200,000,000 µs	43,200,000,000,000 ns
13 hr	0.00001483	0.000148	0.001483 yr	0.017796 mo	0.077381 wk	0.541667 day	780 min	46,800 sec	46,800,000 ms	46,800,000,000 µs	46,800,000,000,000 ns
14 hr	0.000015971	0.00016	0.001597 yr	0.019165 mo	0.083333 wk	0.583333 day	840 min	50,400 sec	50,400,000 ms	50,400,000,000 µs	50,400,000,000,000 ns
15 hr	0.000017112	0.000171	0.001711 yr	0.020534 mo	0.089286 wk	0.625 day	900 min	54,000 sec	54,000,000 ms	54,000,000,000 µs	54,000,000,000,000 ns
16 hr	0.000018253	0.000183	0.001825 yr	0.021903 mo	0.095238 wk	0.666667 day	960 min	57,600 sec	57,600,000 ms	57,600,000,000 µs	57,600,000,000,000 ns
17 hr	0.000019394	0.000194	0.001939 yr	0.023272 mo	0.10119 wk	0.708333 day	1,020 min	61,200 sec	61,200,000 ms	61,200,000,000 µs	61,200,000,000,000 ns
18 hr	0.000020534	0.000205	0.002053 yr	0.024641 mo	0.107143 wk	0.75 day	1,080 min	64,800 sec	64,800,000 ms	64,800,000,000 µs	64,800,000,000,000 ns
19 hr	0.000021675	0.000217	0.002168 yr	0.02601 mo	0.113095 wk	0.791667 day	1,140 min	68,400 sec	68,400,000 ms	68,400,000,000 µs	68,400,000,000,000 ns
20 hr	0.000022816	0.000228	0.002282 yr	0.027379 mo	0.119048 wk	0.833333 day	1,200 min	72,000 sec	72,000,000 ms	72,000,000,000 µs	72,000,000,000,000 ns

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