Convert Hours to Milliseconds

Enter your hour value in the form below to get the value calculated in milliseconds.

SWAP UNITS
Results in Milliseconds:
Loading content.
1 hr = 3,600,000 ms

How to Convert Hours to Milliseconds Using an Easy Conversion Formula

Calendars document the days in a month

Convert hours to milliseconds with this simple formula:

milliseconds = hours × 3,600,000

Converting a hour time measurement to a millisecond measurement involves multiplying your time by the conversion ratio to find the result. A hour is equal to 3,600,000 milliseconds, so to convert simply multiply by 3,600,000.

For example:
5 hr = (5 × 3,600,000) = 18,000,000 ms

Hours and milliseconds are both units used to measure time. Learn more about time and find more time measurement conversion calculators. A hour is a time measurement and can be abbreviated as hr, for example 1 hr. A millisecond is a time measurement and can be abbreviated as ms, for example 1 ms.

hours and milliseconds are units used to measure time
Convert Milliseconds to Hours

Hour Measurements and Equivalent Millisecond Conversions

Common hour values converted to the equivalent millisecond value
Hours Milliseconds
1 hr 3,600,000 ms
2 hr 7,200,000 ms
3 hr 10,800,000 ms
4 hr 14,400,000 ms
5 hr 18,000,000 ms
6 hr 21,600,000 ms
7 hr 25,200,000 ms
8 hr 28,800,000 ms
9 hr 32,400,000 ms
10 hr 36,000,000 ms
11 hr 39,600,000 ms
12 hr 43,200,000 ms
13 hr 46,800,000 ms
14 hr 50,400,000 ms
15 hr 54,000,000 ms
16 hr 57,600,000 ms
17 hr 61,200,000 ms
18 hr 64,800,000 ms
19 hr 68,400,000 ms
20 hr 72,000,000 ms
21 hr 75,600,000 ms
22 hr 79,200,000 ms
23 hr 82,800,000 ms
24 hr 86,400,000 ms
25 hr 90,000,000 ms
26 hr 93,600,000 ms
27 hr 97,200,000 ms
28 hr 100,800,000 ms
29 hr 104,400,000 ms
30 hr 108,000,000 ms
31 hr 111,600,000 ms
32 hr 115,200,000 ms
33 hr 118,800,000 ms
34 hr 122,400,000 ms
35 hr 126,000,000 ms
36 hr 129,600,000 ms
37 hr 133,200,000 ms
38 hr 136,800,000 ms
39 hr 140,400,000 ms
40 hr 144,000,000 ms

More Time Conversions

Convert to Years Time
1 hr is equal to 0.000114 years
Convert to Months Time
1 hr is equal to 0.001369 months
Convert to Weeks Time
1 hr is equal to 0.005952 weeks
Convert to Days Time
1 hr is equal to 0.041667 days
Convert to Minutes Time
1 hr is equal to 60 minutes
Convert to Seconds Time
1 hr is equal to 3,600 seconds