In this tutorial, we will learn how to convert seconds into minutes and seconds using JavaScript.

Before we code the function we have to know that is 1min = 60seconds.

So mathematically to find the minutes from seconds, we have to divide the given value by 60.

For example, to find the minutes from **120sec** we have to do this.

```
120 / 60 (1 min = 60sec)
= 2 // answer is 2 minutes
```

So with this basic concept, we can code a Javascript function that will take seconds as a parameter and return us the minutes and seconds (mm:ss) equivalent to it.

## Convert seconds into minutes and seconds using vanilla JavaScript

To convert seconds into minutes and seconds we have to follow these three steps in our code:

- Extract minutes from the seconds (given value) by dividing it by 60.
- Get the remaining seconds from the reminder using % mod (Division Remainder)
- Return the converted value.

Let’s see it in code

```
function getMinAndSec(seconds){
const min = seconds / 60;
const secs = seconds%60;
return `${min} minutes and ${secs} seconds`;
}
console.log(getMinAndSec(120))
```

**Output:**

`2 minutes and 0 seconds`

However, if we pass 140 sec to the function we get

`getMinAndSec(140) // 2.3333333333333335 minutes and 20 seconds`

We get values in decimals. To solve this issue we have to use **Math.floor()** function.

The `Math. floor()`

return the largest integer that is less than or equal to a given number.

```
function getMinAndSec(seconds){
const min = Math.floor(seconds / 60);
const secs = seconds%60;
return `${min} minutes and ${secs} seconds`;
}
console.log(getMinAndSec(140)) // 2 minutes and 20 seconds
```

Here, we have divided the given value, 140 by 60 and we get 2.333 from which we took the floor number 2 as the minutes.

And the remainder of the number (140%60) is 20 which is the seconds.

## Format time to mm:ss in JavaScript

If you want the output in the `mm:ss`

format we can use the toString() and padStart() methods in JavaScript.

The `toString()`

method converts a number to a string in JavaScript.

The `padStart()`

method is used to pad one string with another till the resulting string reaches the given length.

**Syntax:**

`padStart(targetLength, padString)`

** targetLength**: final length of the string.

** padString**: string to be padded.

So, let code the function to convert seconds into minutes and seconds in **mm:ss** format:

```
function getMinAndSec(seconds){
const min = Math.floor(seconds / 60);
const secs = seconds%60;
return min.toString().padStart(2, '0')+":"+secs.toString().padStart(2, '0');
}
console.log(getMinAndSec(140))
```

**Ouput:**

`02:20`

In the above code, the padStart targeted string length is 2 to get the results in 2 digits.

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