How many seconds in a day?

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Have you wondered how many seconds in a day? How about a week, minute, a month? Do we know the number of minutes in a year ( 525,600), but how many seconds is that?

We will help you to find out how many seconds are in a day a minute, a week, a month. We will also teach you how to calculate these problems.

Time can be defined as the dimension which is based on the evolution of any system that takes place. Time can only be measured in seconds, minutes, days, hours, weeks, months, and years. SI unit of time = seconds.

How to calculate how many seconds in a day

how many seconds in a day
The second and hours are units to measure time. Before we go about how many seconds are there in a day. let’s talk about what a second is.

What is a second

It is a fundamental unit of time. It is a base unit of time defined on its terms upon which other units are based. It is defined as 1/60th of a minute and also 1/86,400 seconds of a day. The other units are minutes, hours, nanoseconds, and so on are all based on seconds.

We talk about hours in terms of minutes. In the same way, minutes are based on seconds which brings us back to the base unit. It is the SI base unit for a time in the metric system. It can be abbreviated as sec.

A second is based on the earth’s rotation cycle with one second being 1/86,400 of the average solar day.

What is a day

One day is the time for the earth to complete a single rotation around its axis with relation to the sun. A day has 24 hours, 1440 minutes in a day. Days can be abbreviated as day.

How many seconds in a minute

The largest unit after seconds is a minute. In one minute, there are 60 seconds.

How many seconds in an hour

We already know that there are 60 minutes in an hour and therefore the number of seconds in one hour = 60× 60 = 3600 seconds.
How many seconds in a month: you can use this simple formula to convert
Months= seconds ÷ 2629746

For example: how to convert 5,000,00 seconds to months using the above formula.

5,000,00 ÷ 2629746 = 1.901324 months.

Calculating the number of seconds in a day

let us know how many seconds are in 24 hours.
We know that 60 seconds = 1 minute
60 minutes = 1 hour
24 hours = 1 day
If we multiply all the above then we will end up with 86,400 seconds in 1 day.

Solution: 60 sec × 1 min × 60 min × 1 hour × 24 hours in 1 day = 86,400 seconds in 1 day
60×60×24 = 86,400

How to calculate seconds back and forth

It’s not hard to calculate seconds into minutes, hours, days, or even years but it takes only some memorization. In the same manner, if you want to know how many seconds are there in 3 days. Then you will need to calculate how many minutes are there in 3 days.

Three days = 72 hours ( 24 hours × 3 days )
= 4320 minutes ( 72 hours × 60 min)
= 259,200 sec ( 4320 min × 60 sec )

Finally, after the calculation, we get 259,200 sec for three days.

Why perform Inverse calculation between 1 second and 1 hour

The number of hours in a second can be found out by performing the inverse calculation of the relationship between units, then
we get,
1 second = 0.00027777778 times 1 hour.

Second to day conversion table

  • 1 sec = 0.000011574 day
  • 2 sec = 0.000023148 day
  • 3 sec = 0.000034722 day
  • 4 sec = 0.000046296 day
  • 5 sec = 0.00005787 day
  • 6 sec = 0.000069444 day
  • 7 sec = 0.000081019 day
  • 8 sec = 0.000092593 day
  • 9 sec = 0.000104 day
  • 10 sec = 0.000116 day
  • 100 sec = 0.001157 day
  • 1000 sec = 0.011574 day
  • 10000 sec = 0.115741 day
  • 100000 sec = 1.1574 day

Questions about seconds

  • Seconds in a day = 86400
  • How many seconds are in a day = 86400
  • How many seconds in a minute = 60
  • How many seconds in a week = 604800
  • Seconds per day = 86400
  • How many seconds in a month = 2.628e+6
  • How many seconds in 24 hours = 86400
  • How many seconds are in a minute = 60


In conclusion, seconds are the basic building block of time. Every tick of the clock makes a second and every 60 seconds makes a minute and every 60 minutes helps in making an hour and 24 hours makes a day.

We sometimes underestimate the influence of little things and second is one of those. Every second not only changes the day’s time but also plays an important role in each one of our lives.

Hence, let us not underestimate the impact or the beauty of the little things in our lives and let us make every second of our lives count.

This completes our article about how many seconds in a day. You can find more information about seconds per day on our page.