
The Excel ABS function returns the absolute value of a number. Negative numbers are converted to positive numbers, and positive numbers are unaffected.
Find the absolute value of a number
A positive number.
=ABS (number)
For example, ABS(-3) returns a value of 3 and ABS(3) returns a value of 3, because the ABS function returns a number's distance from zero.

The Excel ABS function returns the absolute value of a number. Negative numbers are converted to positive numbers, and positive numbers are unaffected.
Find the absolute value of a number
A positive number.
=ABS (number)
For example, ABS(-3) returns a value of 3 and ABS(3) returns a value of 3, because the ABS function returns a number's distance from zero.