Absolute Value Calculator
|x| = x for x ≥ 0; |x| = −x for x < 0.
Limitation: Educational arithmetic—not vector norms or complex modulus.
How to Use the Absolute Value Calculator
|x| = x for x ≥ 0; |x| = −x for x < 0.
Open the Abs Value calculator and read field labels.
Match the mode
Educational arithmetic—not vector norms or complex modulus.
What It Calculates
|x| = x for x ≥ 0; |x| = −x for x < 0.
Worked Examples
|-7.5|
Inputs
Result
Flip sign.
|0|
Inputs
Result
Zero magnitude.
|12|
Inputs
Result
Already non-negative.
Check your mode
Educational arithmetic—not vector norms or complex modulus.
Frequently Asked Questions
Still have questions about this calculation?
Try the CalculatorFormulas
Standard definitions with assumptions noted below.
Formula
Scientific Background
Standard core definitions with assumptions stated on-page. Educational only—not professional certification.
Sources & review
Absolute Value Calculator documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.
Last reviewed
July 22, 2026
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