Converting between days and seconds? These calculations can get confusing! Use our simple days to seconds converter for your time conversions. Try it now!

Converting **units of time** such as seconds and days can end up giving you long numbers that are hard to keep track of. That’s why we recommend using our **days to seconds converter** above to make your life easier. These two **time measurements** are extreme sides of the scale as seconds are a very small measurement while days are much larger. Check out our other time converters.

## How to Convert from Days to Seconds?

Simple, enter above in our **day****s – seconds calculator** the amount of days you wish to convert into seconds and click ¨convert¨. Our accurate and simple online converters give you the best result. For the opposite calculation, view our convert seconds to days tool.

## Formula to Convert Days – Seconds

The correct mathematical calculation for changing from days to seconds is seen below. It is the same formula used by our **converter days to seconds**. For instance, 2 days = 172,800 and 15 days = 1,296,000.

**[number of] days x 86,400 = [number of] seconds**

## Using Days

**Days** are a measurement of time used to calculate how time has passed on a larger scale that minutes and hours. Days are divided into hours and multiplied into weeks. Above you will find our **day to second converter** available for your use.

## 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 days to seconds** is a handy tool.

### How many is 1 Day in Seconds?

**86400 Seconds**

`(1d = 86400sec)`

### How many are 2 Days in Seconds?

**172800 Seconds**

`(2d = 172800sec)`

### How many are 3 Days in Seconds?

**259200 Seconds**

`(3d = 259200sec)`

### How many are 4 Days in Seconds?

**345600 Seconds**

`(4d = 345600sec)`

### How many are 5 Days in Seconds?

**432000 Seconds**

`(5d = 432000sec)`

### How many are 10 Days in Seconds?

**864000 Seconds**

`(10d = 864000sec)`

### How many are 15 Days in Seconds?

**1296000 Seconds**

`(15d = 1296000sec)`

### How many are 20 Days in Seconds?

**1728000 Seconds**

`(20d = 1728000sec)`

### How many are 25 Days in Seconds?

**2160000 Seconds**

`(25d = 2160000sec)`

### How many are 30 Days in Seconds?

**2592000 Seconds**

`(30d = 2592000sec)`

### How many are 50 Days in Seconds?

**4320000 Seconds**

`(50d = 4320000sec)`

### How many are 100 Days in Seconds?

**8640000 Seconds**

`(100d = 8640000sec)`

### How many are 200 Days in Seconds?

**17280000 Seconds**

`(200d = 17280000sec)`

### How many are 500 Days in Seconds?

**43200000 Seconds**

`(500d = 43200000sec)`

### How many are 1000 Days in Seconds?

**86400000 Seconds**

`(1000d = 86400000sec)`