h
ms

## Hour To Millisecond Conversion Chart

Hour (h) Millisecond (ms)
1 h3600000 ms
2 h7200000 ms
5 h18000000 ms
10 h36000000 ms
20 h72000000 ms
40 h144000000 ms
80 h288000000 ms
160 h576000000 ms
320 h1152000000 ms
640 h2304000000 ms
1280 h4608000000 ms
2560 h9216000000 ms

## Convert from hour to millisecond formula

 Total millisecond = Total hour x 3600000

For example, if you want to convert 20 Hour to Millisecond then,

20 h = 20 x 3600000 = 72000000 ms

## Convert from millisecond to hour formula

Total hour =
 Total millisecond 3600000
 72000000 ms 3600000
= 20 h

## Hour

An hour (symbol: h) is a unit of time usually equal 60 minutes. The time of day is typically expressed in English in terms of hours. Whole hours on a 12-hour clock are expressed using the contracted phrase o'clock, from the older of clock.

## Millisecond

A millisecond (symbol: ms) is a thousandth of a second. A unit of 10 milliseconds may be called a centisecond, and one of 100 milliseconds a decisecond, but these names are rarely used.