Hours to Milliseconds Conversion (h to ms)

How Many Milliseconds in a Hour?

There are 3600000 milliseconds in a hour.
1 Hour is equal to 3600000 Milliseconds.
1 h = 3600000 ms

Hours to Milliseconds Conversions

Hours Definition

An hour is one of the commonly used units of measuring time, along with a second and a day. One hour is equal to 60 minutes, however, it will not be true to assume that an hour is equal to 3,600 seconds (according to the Universal Coordinated Time, every hour has so called leap second which can be either negative or positive). An hour is a unit accepted and widely used by all countries of the world, and it has got a symbol of h.

Milliseconds Definition

A millisecond is one of the least commonly used units of time. It is equal to one thousandth of a second, and according to SI regulations has a symbol of ms. Millisecond is obviously used strictly for scientific purposes since it is quite difficult to measure this unit of time.

About h to ms Converter

This is a very easy to use hours to milliseconds converter. First of all just type the hours (h) value in the text field of the conversion form to start converting h to ms, then select the decimals value and finally hit convert button if auto calculation didn't work. Milliseconds value will be converted automatically as you type.

The decimals value is the number of digits to be calculated or rounded of the result of hours to milliseconds conversion.

You can also check the hours to milliseconds conversion chart below, or go back to hours to milliseconds converter to top.