Geometry

Distance

Euclidean distance between two points in the plane.

Free to use — no sign-up or login.

Coordinate distance figure Two points on a Cartesian plane joined by a distance segment with horizontal and vertical differences.

Enter valid values to draw the figure.

Δx = x₂ − x₁ · Δy = y₂ − y₁ · d = distance

The distance d is the hypotenuse of the right triangle with legs Δx = x₂ − x₁ and Δy = y₂ − y₁.

Distance

This free Distance covers Euclidean distance between two points in the plane.

Distance on a plane is the length of the straight segment joining two points. Related geometry tools sit beside How it works, with no account required.

Using the Distance

Euclidean distance between two points in the plane. Typical inputs are x₁, y₁, x₂ and y₂. How it works beside the form states the identity the Distance applies.

FAQ

How do I use the Distance?

Open the Distance, fill x₁, y₁, x₂ and y₂, and read the result. Apply the Pythagorean theorem to the coordinate differences.

What formula does the Distance use?

The Distance uses the identity in How it works. In words: Apply the Pythagorean theorem to the coordinate differences.

Sources