About the Absolute Value Calculator
Find the absolute value |x| of any number or expression — its distance from zero on the number line.
Also known as: abs value, modulus of a number, |x| calculator, absolute value of.
How to use this calculator
- Enter number or expression.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
|x| = x if x ≥ 0, −x if x < 0
Worked example
Using the values pre-filled in the calculator above:
- Number or expression: -7.5 + 2
the calculator returns:
- |x|: 5.5
- Value inside: -5.5
Working
|-5.5| = 5.5