Absolute value calculator
Find the nonnegative absolute value of a real number, including negatives and decimals.
Formula
|x| = x for x ≥ 0; |x| = −x for x < 0.
Absolute value ≈ abs((-12.5))
How to use
- Enter a real number.
- Include a minus sign if the number is negative.
- Read its distance from zero.
Examples
- |−12.5| = 12.5.
Frequently asked questions
Can an absolute value be negative?
No. It is a distance and is always zero or positive.
What is the absolute value of zero?
Zero.
Does this solve absolute-value equations?
No. It evaluates one number; it does not solve for an unknown.
Sources
Updated: