# Convert 15 s to day

So you want to convert 15 seconds into days? If you're in a rush and just need the answer, the calculator below is all you need. The answer is 0.00017361111111111 days.

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## How to convert seconds to days

We all use different units of measurement every day. Whether you're in a foreign country and need to convert the local imperial units to metric, or you're baking a cake and need to convert to a unit you are more familiar with.

Luckily, converting most units is very, very simple. In this case, all you need to know is that 1 s is equal to 1.1574074074074E-5 day.

Once you know what 1 s is in days, you can simply multiply 1.1574074074074E-5 by the total seconds you want to calculate.

So for our example here we have 15 seconds. So all we do is multiply 15 by 1.1574074074074E-5:

15 x 1.1574074074074E-5 = 0.00017361111111111

## What is the best conversion unit for 15 s?

As an added little bonus conversion for you, we can also calculate the best unit of measurement for 15 s.

What is the "best" unit of measurement? To keep it simple, let's say that the best unit of measure is the one that is the lowest possible without going below 1. The reason for this is that the lowest number generally makes it easier to understand the measurement.

For 15 s the best unit of measurement is seconds, and the amount is 15 s.