Opposite of 15
Andrew Vasquez
Published Aug 12, 2026
Opposite of?
What is the opposite number of 15?
Find the opposite of 15
Multiply 15 by -1
-1 * 15
Since 15 is positive:
the opposite must be negative
Multiply 15 by -1 to find the opposite:
Opposite of 15 = -(15) = -15
You have 1 free calculations remaining
What is the Answer?
Opposite of 15 = -(15) = -15
How does the Opposite Numbers Calculator work?
Free Opposite Numbers Calculator - Given a positive or negative integer (n), this calculates the opposite number of n
This calculator has 1 input.
What 1 formula is used for the Opposite Numbers Calculator?
Opposite of a positive number a = -1*a = -aOpposite of a negative number -1 = -1 * -a = a
For more math formulas, check out our Formula Dossier
What 7 concepts are covered in the Opposite Numbers Calculator?
- integer
- a whole number; a number that is not a fraction
...,-5,-4,-3,-2,-1,0,1,2,3,4,5,... - negative
- numbers or values less than 0
- number
- an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
- number line
- a line on which numbers are marked at intervals, used to order numbers. Smaller numbers are on the left and larger numbers are on the right.
- opposite
- diametrically different; of a contrary kind.
- opposite numbers
- A number on the other side of the number line, with the same distance from zero
- positive
- numbers or values greater than 0
