Convert days to seconds

Conversion Calculator

Enter your value in the conversion calculator below.

TIP: If the result of your conversion is 0, try increasing the "Decimals".

How to convert days to seconds: Enter a value in the days field and click on the "Calculate seconds" button. Your answer will appear in the seconds field.

Conversion Definitions

The following is a list of definitions relating to conversions between days and seconds.

What is a day (d)?

A day is a unit of time. The symbol for day is d. There are 0.00001157 days in a second.

What is a second (s or sec)?

A second is a unit of time. The symbol for second is s or sec. There are 86,400 seconds in a day.

Conversion Formula

Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.

The formula to convert from days to seconds is:

seconds = days x 86,400

Conversion Example

Next, let's look at an example showing the work and calculations that are involved in converting from days to seconds (d to s).

Day to Second Conversion Example

Task: Convert 14 days to seconds (show work)

Formula:
days x 86,400 = seconds

Calculations:
14 days x 86,400 = 1,209,600 seconds

Result:
14 days is equal to 1,209,600 seconds

Conversion Table

For quick reference purposes, below is a conversion table that you can use to convert from days to seconds.

Days to Seconds Conversion Chart

days (d)	seconds (s)
1 days	86,400 seconds
2 days	172,800 seconds
3 days	259,200 seconds
4 days	345,600 seconds
5 days	432,000 seconds
6 days	518,400 seconds
7 days	604,800 seconds
8 days	691,200 seconds
9 days	777,600 seconds
10 days	864,000 seconds
20 days	1,728,000 seconds
30 days	2,592,000 seconds
40 days	3,456,000 seconds
50 days	4,320,000 seconds
75 days	6,480,000 seconds
100 days	8,640,000 seconds
250 days	21,600,000 seconds
500 days	43,200,000 seconds
750 days	64,800,000 seconds
1,000 days	86,400,000 seconds
2,500 days	216,000,000 seconds
5,000 days	432,000,000 seconds
7,500 days	648,000,000 seconds
10,000 days	864,000,000 seconds
25,000 days	2,160,000,000 seconds
50,000 days	4,320,000,000 seconds
75,000 days	6,480,000,000 seconds
100,000 days	8,640,000,000 seconds
250,000 days	21,600,000,000 seconds

Related Units

This table provides a summary of the Time units within their respective measurement systems.

Unit	Symbol	Description
nanoseconds	ns	1 second = 1,000,000,000 nanoseconds
microseconds	μs	1 second = 1,000,000 microseconds
milliseconds	ms	1 second = 1,000 milliseconds
seconds	s or sec	base unit of Time
kiloseconds	ks	1,000 seconds = 1 kiloseconds
minutes	min	1 minute = 60 seconds
hours	hr	1 hours = 60 minutes
days	d	1 day = 24 hours
weeks	wk	1 week = 7 days
fortnights	4tnite	1 fortnight = 2 weeks or 14 days
months	mo	1 month = 30.4167 days
years	yr or y	1 year = 365 days
decades	decade	1 decade = 10 years

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