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Both calculators run independently — change the inputs on either side to compare results.

Vector Projection Calculator

Compute the vector projection of u onto v in 2D or 3D space, returning each component of the projected vector. Useful in physics, computer graphics, and linear algebra when decomposing forces or vectors along a given direction.

Vector u - X Component

Vector u - Y Component

Vector u - Z Component

Vector v - X Component

Vector v - Y Component

Vector v - Z Component

Projection Component

Fill in the required fields to see your result.

Linear Algebra

Vector Magnitude Calculator

Compute the Euclidean magnitude (length) of a 3D vector as √(x² + y² + z²). Use it to normalise a vector, measure distance, or check the size of a direction vector.

X component

Y component

Z component

Fill in the required fields to see your result.

Key differences

	Vector Projection Calculator	Vector Magnitude Calculator
Category	Linear Algebra	Linear Algebra
Inputs required	7	3
Result	Vector Projection	Vector Magnitude
What it does	Compute the vector projection of u onto v in 2D or 3D space, returning each component of the projected vector. Useful in physics, computer graphics, and linear algebra when decomposing forces or vectors along a given direction.	Compute the Euclidean magnitude (length) of a 3D vector as √(x² + y² + z²). Use it to normalise a vector, measure distance, or check the size of a direction vector.