javascript round to 2 decimal places – How to round Off a number upto 2 decimal places using JavaScript?

javascript round to 2 decimal places – Use the Math.round() Function to Round a Number To2 Decimal Places in JavaScript. Method 1: Using toFixed() method and Method 2: Using Math.round() method to round off the number to 2 decimal places in javascript.

javascript round to 2 decimal places – Round a Number to 2 Decimal Places in JavaScript

Question : How to round Off a number upto 2 decimal places using JavaScript?
Use Math.round() :
Using Math.round() method to round off the number to 2 decimal places in javascript.

Input:
let userno = 3.14159265359;
let results = userno.toFixed(2);
console.log(results);

Output:

"3.14"

Use the .toFixed() Method

Use the .toFixed() Method to Round a Number To2 Decimal Places in JavaScript

var userno = 12312214.124124124;
userno = userno.toFixed(2);

Use the Math.round() Function

Use the Math.round() Function to Round a Number To2 Decimal Places in JavaScript

var userno= 212421434.533423131231;
var results = Math.round((userno + Number.EPSILON) * 100) / 100;
console.log(results);

Result :

212421434.53

Use Double Rounding to Round a Number To2 Decimal Places in JavaScript

function round(userno) {
    var results = Number((Math.abs(userno) * 100).toPrecision(15));
    return Math.round(results) / 100 * Math.sign(userno);
}

console.log(round(1.005));

Result :

1.01

Using the Custom Function to Round a Number To2 Decimal Places in JavaScript

function roundToTwo(userno) {
    return +(Math.round(userno + "e+2")  + "e-2");
}
console.log(roundToTwo(2.005));

How to Round to a Certain Number of Decimal Places in JavaScript?

javascript round to 2 decimal places

let userno = 10.9;
console.log(userno);
console.log(Math.round(userno));

Result

10.9
11

let userno = 10.3;
console.log(userno);
console.log(Math.round(userno));

Result :

10.3
10

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Examples

round number 2 decimals javascript

Math.round((userno + Number.EPSILON) * 100) / 100

rounding number to x decimals javascript

let userno = 12.5452411;
userno = userno.toFixed(3); // 12.545

Example 2

function roundoff_2(userno) {
    return Math.round(userno * 100) / 100;
}

console.log(roundoff_2(77.6345));

console.log(roundoff_2(10.1234));

Example 3

var userno = 10.1234;
console.log(userno);
var userno = Math.round(userno * 100) / 100;
console.log(userno);

Example : 4

roundedNumber=Math.round(originalNumber*10^i)/10^i;

I hope you get an idea about javascript round to 2 decimal places.
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