Absolute Value Calculator
Find the absolute value (magnitude) of any number.
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How to Use
Enter a Number
Type any number (positive, negative, or decimal) into the input field.
View the Result
The absolute value is computed and displayed instantly.
Understand the Notation
The result shows |x| = result, with the vertical bars representing absolute value.
Use Cases
Distance Calculation
"Absolute value represents distance from zero on the number line."
Error Measurement
"Calculate the magnitude of errors regardless of direction."
Math Homework
"Verify absolute value computations for class assignments."
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Frequently Asked Questions
?What is absolute value?
The absolute value of a number is its distance from zero on the number line, always non-negative. For example, |−5| = 5 and |5| = 5.
?What is the absolute value of zero?
The absolute value of zero is zero: |0| = 0.
?Does it work with decimals?
Yes. The tool handles any real number including decimals. For example, |−3.14| = 3.14.
?What is absolute value used for?
Absolute value is used in distance formulas, error calculations, complex number modulus, signal processing, and many areas of mathematics.
?What is the symbol for absolute value?
Absolute value is written with vertical bars: |x|. In programming, it's typically abs(x) or Math.abs(x).
?Is my data private?
Yes. Everything runs locally in your browser. No data is sent to any server.
?Is this tool free?
Yes. Completely free with no limits, no sign-up required.