In mathematics, the term magnitude is greatly used in vectors.
The magnitude of a vector is the length of the vector and is denoted as ∥a∥.
The magnitude of a number is also called its absolute value.
Formula to calculate magnitude.
![How to Calculate Magnitude.](https://www.learntocalculate.com/wp-content/uploads/2020/07/magnitude.png)
Example:
Suppose vector PQ’s coordinates is (2,3), (4,5). Calculate the vector’ magnitude.
![How to Calculate Magnitude.](https://www.learntocalculate.com/wp-content/uploads/2020/07/magnitude-2.png)
Therefore, the vector’s magnitude is 2.83 units.