Changing between the time measurements of hours and seconds? Make your life easier by using this hour to second converter. More unit conversions available.

Above you will find our **time converter** to **convert hours to seconds**. This conversion is useful for any type of calculation you need, whether it is for maths revision or you need to work out a period of time in a smaller or larger quantity. Our **hour – second converter** can help you out! For more calculations, see our other time converters available.

## How to Convert from Hours to Seconds?

In the **hours to seconds calculator** above, enter the number of hours that you wish to change and click ¨convert¨ for it to be converter into seconds. This **hrs – secs conversion** is accurate and easy to use. For the opposite calculation, go to convert seconds to hours.

## Formula to Convert Hrs – Secs

Look below to view the mathematical formula needed when **converting hours – seconds**. This is what is used by our **online calculator** and will give you accurate results. As some examples, 4 hrs = 14,400 secs while 0.5 hrs = 1,800 secs.

**[number of] hours x 3,600 = [number of] seconds**

## Using Hours

**Hours** are a measurement that is used daily to tell the time and calculate periods of time that usually occur within the space of a few days. Hours are divided into minutes and multiplied into days. Use this **converter of hours to seconds** for your **time conversions**.

## Using Seconds

The time unit of **seconds** is an accurate and smaller quantity used for specific timing requirements such as in sports or cooking. Seconds are divided into milliseconds and multiplied into minutes. This **converter hours to seconds** is a handy tool.

### How many is 1 Hour in Seconds?

**3600 Seconds**

`(1hr = 3600sec)`

### How many are 2 Hours in Seconds?

**7200 Seconds**

`(2hr = 7200sec)`

### How many are 3 Hours in Seconds?

**10800 Seconds**

`(3hr = 10800sec)`

### How many are 4 Hours in Seconds?

**14400 Seconds**

`(4hr = 14400sec)`

### How many are 5 Hours in Seconds?

**18000 Seconds**

`(5hr = 18000sec)`

### How many are 10 Hours in Seconds?

**36000 Seconds**

`(10hr = 36000sec)`

### How many are 15 Hours in Seconds?

**54000 Seconds**

`(15hr = 54000sec)`

### How many are 20 Hours in Seconds?

**72000 Seconds**

`(20hr = 72000sec)`

### How many are 25 Hours in Seconds?

**90000 Seconds**

`(25hr = 90000sec)`

### How many are 30 Hours in Seconds?

**108000 Seconds**

`(30hr = 108000sec)`

### How many are 50 Hours in Seconds?

**180000 Seconds**

`(50hr = 180000sec)`

### How many are 100 Hours in Seconds?

**360000 Seconds**

`(100hr = 360000sec)`

### How many are 200 Hours in Seconds?

**720000 Seconds**

`(200hr = 720000sec)`

### How many are 500 Hours in Seconds?

**1800000 Seconds**

`(500hr = 1800000sec)`

### How many are 1000 Hours in Seconds?

**3600000 Seconds**

`(1000hr = 3600000sec)`