In this article we will describe about day(d) to second(s) and both units used to measure time. Learn the simple definition, conversion and example below. also you can learn more about unit of measure that is **second to day** then click here.

## Simple definition:

A day is the approximate time it takes for the Earth to complete one rotation. It is defined as exactly 86,400 seconds.

A second is the base unit of time. originally, it was based on the length of the day, but it has since been standardized based on the radiation wavelength of caesium-133.

## How to convert days to seconds?

To convert a day measurement to a second measurement, multiply the time by the conversion ratio.

Since one day is equal to 86,400 seconds, you can use this simple formula to convert:

seconds = days × 86,400

The time in s = d multiplied by 86,400.

## Formula:

**1 d = 86400 s1 s = 1.15741E-5 d**

## Example of days to seconds:

Task: Convert 15 d to s

use formula:

days x 86,400 = seconds

Calculations:

15 days x 86,400 = 1296000 s

Result:

15 days is equal to 1296000 s

## Conversion table : days to second

Here we can show you the table of d to s conversion:

In this article we have try to define “**days to seconds**”. Hope you are like it! Thanks for reading this article.