Convert milliseconds to hour - Conversion of Measurement Units

More information from the unit converter

How many milliseconds in 1 hour? The answer is 3600000. We assume you are converting between millisecond and hour. You can view more details on each measurement unit: milliseconds or hour The SI base unit for time is the second. 1 second is equal to 1000 milliseconds, or 0.00027777777777778 hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between milliseconds and hours. Type in your own numbers in the form to convert the units!

Date difference between calendar days

You may also want to find out how many days are between two dates on the calendar. Use the date calculator to get your age in days or measure the duration of an event.

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You can do the reverse unit conversion from hour to milliseconds, or enter any two units below:

Common time conversions

milliseconds to microsecond milliseconds to century milliseconds to year milliseconds to second milliseconds to day milliseconds to decade milliseconds to minute milliseconds to fortnight milliseconds to shake milliseconds to millennium

Definition: Millisecond

The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.

So 1 millisecond = 10-3 arcseconds.

The definition of a second is as follows:

A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.

Definition: Hour

The hour was originally defined in Egypt as 1/24 of a day, based on their duo-decimal numbering system (which counted finger joints on each hand).

Metric conversions and more

[BLOGURL] provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!

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