Hello Guys, How are you all? Hope You all Are Fine. Today We Are Going To learn about **How to properly round-up half float numbers** **in Python**. So Here I am Explain to you all the possible Methods here.

Without wasting your time, Let’s start This Article.

Table of Contents

## How to properly round-up half float numbers?

**How to properly round-up half float numbers?**This is also called

*bankers rounding*; instead of always rounding up or down (compounding rounding errors), by rounding to the nearest*even*number you average out rounding errors.**properly round-up half float numbers**This is also called

*bankers rounding*; instead of always rounding up or down (compounding rounding errors), by rounding to the nearest*even*number you average out rounding errors.

## Method 1

The Numeric Types section documents this behaviour explicitly:

`round(x[, n])`

xrounded to n digits, rounding half to even. If n is omitted, it defaults to 0.

Note the *rounding half to even*. This is also called *bankers rounding*; instead of always rounding up or down (compounding rounding errors), by rounding to the nearest *even* number you average out rounding errors.

If you need more control over the rounding behaviour, use the `decimal`

module, which lets you specify exactly what rounding strategy should be used.

For example, to round up from half:

>>> from decimal import localcontext, Decimal, ROUND_HALF_UP >>> with localcontext() as ctx: ... ctx.rounding = ROUND_HALF_UP ... for i in range(1, 15, 2): ... n = Decimal(i) / 2 ... print(n, '=>', n.to_integral_value()) ... 0.5 => 1 1.5 => 2 2.5 => 3 3.5 => 4 4.5 => 5 5.5 => 6 6.5 => 7

## Method 2

For example:

from decimal import Decimal, ROUND_HALF_UP Decimal(1.5).quantize(0, ROUND_HALF_UP) # This also works for rounding to the integer part: Decimal(1.5).to_integral_value(rounding=ROUND_HALF_UP)

**Conclusion**

It’s all About this issue. Hope all Methods helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which Method worked for you? Thank You.

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