What if I only have a 2D vector?

Set the z component to 0, and the formula reduces to the standard 2D magnitude √(x²+y²).

Vector Magnitude Calculator

Calculate the magnitude of a three-dimensional vector from its x, y, and z components.

Inputs

Results

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Formula

|v| = √(x² + y² + z²)

Vector and Linear Algebra Basics: Magnitude, Dot Product, and Lines

Vector magnitude, dot product, and slope-intercept form — three foundational calculations from linear algebra and coordinate geometry.

Distance Formula Calculator

Calculate the distance between two points on a coordinate plane.

Dot Product Calculator

Calculate the dot product of two 3D vectors.

Percentage Calculator

Find what percentage one number is of another, or calculate percentage change.

Percentage Change Calculator

Calculate the percentage increase or decrease between two values.

Quadratic Equation Solver

Solve ax² + bx + c = 0 for real roots using the quadratic formula.

Average (Mean) Calculator

Calculate the average of up to 10 numbers.