Round to a Multiple Calculator
Round a signed number to an increment with explicit nearest, up or down modes.
Your result
MATHEnter your values and select calculate.
On this page How it works & practical examples
How to use the Round to a Multiple Calculator
The nearest mode breaks exact half-increment ties away from zero. Up and down refer to the number line, so rounding a negative value up moves it toward zero.
The calculation
Worked example
23 rounded to the nearest multiple of 5 gives 25; rounding down gives 20.
Assumptions and limits
Floating-point representation may affect decimal ties. This is an explicit numerical convention, not automatic compliance with any accounting or measurement standard.
Common questions
Which inputs should I use?
The nearest mode breaks exact half-increment ties away from zero. Up and down refer to the number line, so rounding a negative value up moves it toward zero.
What does the result exclude?
Floating-point representation may affect decimal ties. This is an explicit numerical convention, not automatic compliance with any accounting or measurement standard.