# How to get the length of a Number in JavaScript?

JavascriptWeb DevelopmentFront End Technology

Use the toString() method to covert the Number to string, then the length() method gives you length.

## Example

You can try to run the following code to learn how to get the length of a Number −

Live Demo

<!DOCTYPE html>
<html>
<body>
<script>
var num1 = 344;
var num2 = 149856;

document.write("Length of number "+num1+" = "+ num1.toString().length);
document.write("<br>Length of number "+num2+" = "+ num2.toString().length);
</script>
</body>
</html>

## Output

Length of number 344 = 3
Length of number 149856 = 6
Published on 03-Feb-2018 17:16:57