About this Absolute Value Calculator
Absolute Value Calculator gives the magnitude of a real number without its sign.
Formula or method
|x| is x when x ≥ 0 and −x when x < 0.
Example
|−12.5| = 12.5.
Common uses
- Check distance-from-zero calculations.
- Remove a sign when only magnitude matters.
- Verify basic algebra exercises.
How to use this tool
- Enter the values or text requested by the calculator.
- Choose units or options when the tool provides them.
- Select the calculation button and review the result.
- Use the formula, example and notes on this page to check whether the result fits your situation.
Important note
Absolute value measures distance from zero, so its result is never negative.
Frequently asked questions
Can absolute value be negative?
No. Absolute value is always zero or positive.
What is the absolute value of zero?
It is 0.