Rounding up to the nearest 100 in javascript

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I want to round up to the nearest 100 all the time whether or not the value is 101 or 199 it should round up to 200

for example:

var number = 1233;
//use something like Math.round() to round up to always 1300

I'd like to always round up to the nearest 100, never round down using jQuery

Use Math.ceil(), if you want to always round up.

As in

Math.ceil(number/100)*100

How do I round up a number to the nearest 100 when a user enters , Voted Best Answer​​ If you always want to round up, you would use Math. ceil() instead of Math. round(); all the rest would be the same. More "Try it Yourself" examples below. The round () method rounds a number to the nearest integer. Note: 2.49 will be rounded down (2), and 2.5 will be rounded up (3).

No part of this requires jQuery. Just use JavaScript's Math.ceil:

Math.ceil(x / 100.0) * 100

JavaScript ceil() Method, JavaScript ceil() Method​​ The ceil() method rounds a number UPWARDS to the nearest integer, and returns the result. If the passed argument is an integer, the value will not be rounded. Rounding 3.14159 ≈ 3.1416 Truncating 3.14159 ≈ 3.1415. Hopefully you get the difference. It makes truncating rarely useful in precise calculations (although JavaScript probably isn’t a good choice at all if you need precise calculations) but you can come across a situation when it may be irreplaceable.

to round up and down to nearest 100 use Math.round instead

Math.round(number/100)*100

round vs ceil:

Math.round(60/100)*100 = 100 vs Math.ceil(60/100)*100 = 100

Math.round(40/100)*100 = 0 vs Math.ceil(40/100)*100 = 100

Math.round(-60/100)*100 = -100 vs Math.ceil(-60/100)*100 = -0

Math.round(-40/100)*100 = -0 vs Math.ceil(-40/100)*100 = -0

Math.round(), The Math.round() function returns the value of a number rounded to the nearest integer. The value of the given number rounded to the nearest integer. that less than 1/2 rounds down; greater rounds up return Math.floor(x+0.5) } Samsung Internet Android Full support 1.0, nodejs Full support 0.1.100  Now we're gonna do another type of rounding. We are now going to round to the nearest 100. So let's just start with an example, and you'll see that in a lot of ways, it's very similar to rounding to the nearest 10, we're just looking at different place values now. So let's say we have the number 345. And we want to round this to the nearest 100.

This is an easy way to do it ((x/100).toFixed()*100;

JavaScript math, round to two decimal places, How do you round to the nearest whole number in JavaScript? The Math.round () function in JavaScript is used to round a number to its nearest integer. If the fractional part of the number is greater than or equal to .5, the argument is rounded to the next higher integer. If the fractional part of the number is less than .5, the argument is rounded to the next lower integer. Math.round (var);

Rounding Numbers in JavaScript, How do I round to 2 decimal places in JavaScript? For example, if you want to round to the nearest .25, you can simply use .25 as the second argument. If you were to use the formulas in the other answers you'd have to use 4 as the second argument when you want to round to .25, which is counter-intuitive. – cjbarth Dec 27 '16 at 15:00

Rounding in JavaScript, digits, then we divide by 100 to get the actual result. I want to use Javascript to round up a number. Since the number is currency, I want it to round up like in these examples (2 decimal points): 192.168 => 192.20 192.11 => 192.20 192.21 => 192.30

How to round to the nearest number with vanilla JS, Round numbers to various degrees of precision by using the Math.round, This function works by rounding your number to the nearest integer. multiply our number by 10 to the power of two (aka 100) and round that value:  Choose ones to round a number to the nearest dollar. Choose hundredths to round an amount to the nearest cent. Rounding Numbers. Say you wanted to round the number 838.274. Depending on which place value you'll round to, the final result will vary. Rounding 838.274: Rounding to the nearest hundred is 800; Rounding to the nearest ten is 840

Comments
  • why 100.0 and not 100?