Division of Line Segment Calculator: Find Point Coordinates by Ratio

Calculate Line Segment Division

Master coordinate geometry with our Division of Line Segment Calculator. Quickly determine the coordinates of a point that divides any line segment in a given ratio, whether internally or externally. Input your endpoint coordinates and the desired ratio to get instant, accurate results for geometry problems.

Formula:

Formula for Division of a Line Segment

For a line segment with endpoints A(x1, y1) and B(x2, y2), divided by a point P(x, y) in the ratio m:n, the coordinates are:

  • Internal Division:

    x = (m·x2 + n·x1) / (m + n)

    y = (m·y2 + n·y1) / (m + n)

  • External Division:

    x = (m·x2 - n·x1) / (m - n)

    y = (m·y2 - n·y1) / (m - n)

Where:

  • (x1, y1) = Coordinates of the first endpoint
  • (x2, y2) = Coordinates of the second endpoint
  • m:n = The given division ratio (e.g., 2:3)

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