Rounding to Nearest Integer Calculator

Quickly round any real number to its nearest integer. Enter your number below:

Enter a Real Number:

Rounded Integer:

Visualization of Rounding

Integers around your number

Understanding Rounding to the Nearest Integer

Rounding to the nearest integer is a fundamental mathematical operation used to simplify numbers. When we round a number, we replace it with the closest whole number. If the decimal part of the number is 0.5 or greater, we round up to the next integer. If it's less than 0.5, we round down to the current integer.

Examples:

3.7 rounds to 4 (since 0.7 ≥ 0.5, we round up).
3.2 rounds to 3 (since 0.2 < 0.5, we round down).
3.5 rounds to 4 (0.5 is rounded up by convention).
-3.7 rounds to -4 (following the same rule for negative numbers).

This tool helps you quickly and accurately round any real number to the nearest integer, making it useful for various applications from everyday calculations to more complex mathematical problems.