Ways to round 0.023 up to 0.03 using JavaScript

What is the best way to round 0.023 up to 0.03 using JavaScript?

I attempted this method, but it resulted in 0.024

var abc = 0.023, factor = 0.003;
abc = Math.round(abc / factor) * factor;
console.log(abc);

Is there a different approach I should take to achieve 0.03?

Answer №1

If you're looking to round up a floating-point number, I came across a helpful solution on this Stack Overflow thread.

The first parameter in the function is the number you want to round, while the second parameter is the integer representing the number of decimal places you want to retain.

function roundUp(num, precision) {
    precision = Math.pow(10, precision);
    return Math.ceil(num * precision) / precision;
}
  
result = roundUp(0.023, 2);
console.log(result);

Answer №2

result = Math.ceil((result/divisor)*divisor * 100) / 100;

The ceil function will round up a number to the nearest integer.

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