Math

Distance Between Two Points Calculator

Calculate straight-line distance between two points on a 2D coordinate plane.

Free online toolWorks in your browserNo sign-up required

Distance Between Two Points Calculator

Explore this topic

Geometry & Triangles

Right triangles, areas, slopes, distances and common coordinate-geometry formulas.

Topic hub →

How to use this distance between two points calculator

Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.

Formula and method

Distance = √((x₂ − x₁)² + (y₂ − y₁)²).

Example

Points (1,2) and (4,6) are 5 units apart.

What this calculator is useful for

Calculate straight-line distance between two points on a 2D coordinate plane. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.

Measure straight-line distance on a coordinate grid

The points (1, 2) and (4, 6) differ by 3 horizontally and 4 vertically. The distance is √(3² + 4²) = √25 = 5 coordinate units.

Scope: this is straight-line Euclidean distance on a flat coordinate plane. It is not travel distance on roads and does not automatically account for latitude, longitude, or the curvature of Earth.

Frequently asked questions

What does the Distance Between Two Points Calculator calculate?

Calculate straight-line distance between two points on a 2D coordinate plane.

How does the calculation work?

Distance = √((x₂ − x₁)² + (y₂ − y₁)²).

Is this calculator free?

Yes. ERICH Calculators is free to use and no account is required.

Transparency

Method, assumptions & corrections

See how formulas, sources and limitations are handled across ERICH Calculators.