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W3Schools
w3schools.com › python › ref_func_round.asp
Python round() Function
Python Examples Python Compiler ... Training ... The round() function returns a floating point number that is a rounded version of the specified number, with the specified number of decimals....
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GeeksforGeeks
geeksforgeeks.org › python › round-function-python
round() function in Python - GeeksforGeeks
The `round()` function in Python is used to round numbers. It takes two parameters: the number to be rounded and, optionally, the number of decimal places. If no decimal places are specified, it rounds to the nearest integer.
Published   August 7, 2024
Discussions

Round function should be improved
the round function should be improved, the round function is supposed to round up numbers that are in a decimal format. I have found that the round function only looks at the first decimal point, for example when I enter this: print(round(1.45), round(1.54)) as a result I get: 1 2 I have created ... More on discuss.python.org
🌐 discuss.python.org
0
July 5, 2024
Gaussian/Banker's Rounding.. the algorithm behind Python's round function.
Just take the average of the two approaches: (math.floor(x) + math.ceil(x)) / 2. I call it the "hybrid superposition quantizer" (patent pending). More on reddit.com
🌐 r/Python
12
5
April 15, 2023
how to round without using round()
I don't think using string formatting actually satisfies what the question is asking. You're not truly rounding, you're displaying a rounded value. See below: user_input = int(input("Number of digits to round to: ") rounding = 10 ** user_input mypi = int(pi * rounding) / rounding Or if you want to do it a bit more concisely: mypi = int(pi * (rounding := 10 ** user_input)) / rounding More on reddit.com
🌐 r/learnpython
7
2
September 4, 2023
Why does round(0.5) = 0?

Specifically, because it uses the "ties to even" rounding rule (there is more than one rule allowed by the IEEE standard) as it's more fair statistically

More on reddit.com
🌐 r/learnpython
12
73
August 31, 2016
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Python documentation
docs.python.org › 3 › library › functions.html
Built-in Functions — Python 3.14.3 documentation
2 weeks ago - Any integer value is valid for ndigits (positive, zero, or negative). The return value is an integer if ndigits is omitted or None. Otherwise, the return value has the same type as number. For a general Python object number, round delegates to number.__round__.
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Python Engineer
python-engineer.com › posts › round-function
Tip - Use the round() function with negative arguments - Python Engineer
You can use the round() function with negative arguments to round it to the nearest 10, 100, 1000, and so on.
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InterServer
interserver.net › home › programming › python round() function explained: examples, decimals, and best practices
Python round() Function Explained: Examples, Decimals, and Best Practices - Interserver Tips
October 1, 2025 - The round() function works with negative numbers just like positive numbers. It rounds them to the nearest whole number or to a specific number of decimal places. ... Here, -7.6 is rounded to -8 because -8 is closer than -7. You can also round negative numbers to a certain number of decimal places.
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Real Python
realpython.com › python-rounding
How to Round Numbers in Python – Real Python
December 7, 2024 - Python has a built-in round() function that takes two numeric arguments, n and ndigits, and returns the number n rounded to ndigits. The ndigits argument defaults to zero, so leaving it out results in a number rounded to an integer.
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Mimo
mimo.org › glossary › python › round-function
Python round(): Rounding Numbers in Python
The Python round() function rounds floating-point numbers to a specified number of decimal places. It provides a simple way to control the precision of numbers in your code.
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Server Academy
serveracademy.com › blog › python-round-function-tutorial
Python Round() Function Tutorial - Server Academy
Python’s round() function makes it easy to round numbers to a specified number of decimal places or the nearest integer. Whether you need to round up, round down, or round to a specific ...
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Programiz
programiz.com › python-programming › methods › built-in › round
Python round()
The round() function returns a floating-point number rounded to the specified number of decimals. In this tutorial, we will learn about Python round() in detail with the help of examples.
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Medium
medium.com › @ElizavetaGorelova › rounding-in-python-choosing-the-best-way-c20c2a37fe29
Rounding in Python: Choosing The Best Way | by Elizaveta Gorelova | Medium
March 15, 2024 - In general, it looks like this: round(number, digits). In the first argument (number) we pass a fractional number, and in the second (digits) we indicate the number of numbers after the decimal point.
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Graduateschool
graduateschool.edu › the round function and its application in python
The Round Function and Its Application in Python - Free Video Tutorial
February 13, 2025 - Understand Python's built-in round() function, which rounds floats either to the nearest integer or a specified number of decimal places, returning either an integer or float accordingly.
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Inspector
inspector.dev › home › round up numbers to integer in python – fast tips
Round Up Numbers to Integer in Python - Inspector.dev
June 17, 2025 - The simplest way to round a number in Python is to use the built-in round() function. The round() function takes a number as the first argument and an optional second argument to specify the number of decimal places to round to.
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Scaler
scaler.com › home › topics › round function in python
round() Function in Python | Scaler Topics
December 3, 2023 - The round() function always returns a number that is either a float or an integer. According to the official Python documentation, it returns a value rounded to the closest multiple of 10 to the power minus n_digits(10^-n_digits)
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Trymito
trymito.io › excel-to-python › functions › math › ROUND
Excel to Python: ROUND Function - A Complete Guide | Mito
The ROUND function in Excel adjusts a number to the specified number of digits, rounding up when the last significant digit is 5 or greater, and rounding down when the last significant digit is less than 5. ... Get answers from your data, not ...
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Medium
medium.com › @akhilnathe › understanding-pythons-round-function-from-basics-to-bankers-b64e7dd73477
Understanding Python’s Round Function: From Basics to Bankers | by Akhil Nath Elayat | Medium
November 6, 2023 - Python’s choice aligns with the goal of reducing bias over multiple calculations, making it particularly apt for financial and statistical applications. Let’s examine an example that demonstrates the rounding of a list of numbers: import statistics # Generate a list of numbers from 0.5 to 99.5 numbers = [i + 0.5 for i in range(100)] # Conventional rounding: Create a custom rounding function def conventional_round(number): return int(number + 0.5) # Apply conventional rounding conventional_rounded_numbers = [conventional_round(number) for number in numbers] # Apply Banker's rounding bankers
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Python.org
discuss.python.org › python help
Round function should be improved - Python Help - Discussions on Python.org
July 5, 2024 - the round function should be improved, the round function is supposed to round up numbers that are in a decimal format. I have found that the round function only looks at the first decimal point, for example when I enter this: print(round(1.45), ...
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IONOS
ionos.com › digital guide › websites › web development › python round function
What is Python round()? - IONOS
May 28, 2025 - Python’s round() function lets you round numbers to the nearest whole number or to a specific number of decimal places. The function has two pa­ra­me­ters and is built into the pro­gram­ming language.
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Codecademy
codecademy.com › docs › python › built-in functions › round()
Python | Built-in Functions | round() | Codecademy
April 19, 2025 - When rounding numbers with decimal places exactly halfway between two integers, the round() function uses the “round to even” strategy, also known as banker’s rounding, which helps reduce bias in statistical calculations. Rounding in Python is useful for handling floating-point numbers and presenting numerical data in a more readable format.
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YouTube
youtube.com › watch
How to Round Numbers in Python ( Not What You Expect) - YouTube
Rounding numbers in python not working as expected? Discover the nuances of rounding numbers in Python with our latest tutorial. While rounding might seem st...
Published   June 2, 2024
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GeeksforGeeks
geeksforgeeks.org › python › how-to-round-numbers-in-python
How to Round Numbers in Python? - GeeksforGeeks
July 15, 2025 - Python’s built-in round() function rounds a number to a given precision.