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Geometry

Midpoint Calculator

Midpoint of a line segment. Free online Midpoint Calculator. Calculate midpoint online — fast, accurate, mobile-friendly, no signup needed.

M = ((x₁+x₂)/2, (y₁+y₂)/2).
Midpoint
(5, 4)

Derivation

  1. ├── 01Givenx1 = 0, y1 = 0, x2 = 10, y2 = 8
  2. ├── 02Formula{let t=e.x1,a=e.y1,n=e.x2,r=e.y2;return"(".concat((t+n) / 2,", ").concat((a+r) / 2,")")}
  3. ├── 03Substitute{let t=e.0,a=e.0,n=e.10,r=e.8;return"(".concat((t+n) / 2,", ").concat((a+r) / 2,")")}
  4. └── 04Compute Midpoint—
Did you know?

René Descartes introduced coordinate geometry in 1637 in La Géométrie, letting algebra solve geometric problems for the first time.

§01What is

Understanding the Midpoint Calculator

The Midpoint Calculator computes Midpoint from 4 inputs: x₁, y₁, x₂, y₂. Midpoint of a line segment.

Geometry is what turns raw measurements into useful answers about space — how much paint, how big a yard, how much material a project will need. Every craftsperson, architect, and DIYer reaches for these formulas regularly. The Midpoint Calculator sits in that toolkit — it midpoint of a line segment. Enter your numbers above and the result updates instantly; every step of the math is shown in the Derivation panel so you can see exactly how the answer was reached.

§02The Formula

How it’s calculated

{let t=e.x1,a=e.y1,n=e.x2,r=e.y2;return"(".concat((t+n) / 2,", ").concat((a+r) / 2,")")}

Where

x1
x₁
y1
y₁
x2
x₂
y2
y₂
§03Practical Example

Step-by-step walkthrough

Scenario

Apply the formula to a realistic set of inputs: x₁ = 0, y₁ = 0, x₂ = 10, y₂ = 8.

  1. 01Start by noting the input — x₁: 0.
  2. 02Start by noting the input — y₁: 0.
  3. 03Start by noting the input — x₂: 10.
  4. 04Start by noting the input — y₂: 8.
  5. 05Substitute these values into the formula: {let t=e.x1,a=e.y1,n=e.x2,r=e.y2;return"(".concat((t+n) / 2,", ").concat((a+r) / 2,")")}
  6. 06Compute Midpoint: the calculator returns (5, 4).
  7. 07Cross-check the answer by opening the Derivation panel above — every line of math is shown so you can follow the computation end-to-end.
§04FAQ

Frequently asked questions

Yes. The calculator implements the standard formula as documented and returns exact floating-point results. No approximations are used unless noted in the formula.
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