Line Intersection Calculator — Site-Survey Tools
Find the intersection point of two lines from coordinate data
How to Use This Tool
Purpose: Calculate the intersection point of two lines using coordinate data from survey points. Perfect for determining where two survey lines meet.
How it works:
- Enter two points for each line (A & B for Line 1, C & D for Line 2)
- Click "Calculate Intersection" to find where the lines meet
- View the intersection coordinates in the results section
- Copy results to clipboard or export to CSV
Note: If the lines are parallel (don't intersect), the tool will display a warning message. The calculation uses the standard 2D line intersection formula.
Example Calculation:
| Point | Easting | Northing |
|---|---|---|
| A | -10.000 | -30.000 |
| B | 0.000 | 8.000 |
| C | -10.000 | 10.000 |
| D | -20.000 | 10.000 |
Result: Intersection Point: Easting 0.526, Northing 10.000
Enter Line Coordinates
Enter coordinates of two points on each line
Line 1
Enter coordinates of two points on the first line
Point A
Point B
Line 2
Enter coordinates of two points on the second line
Point C
Point D
Intersection Results
Enter coordinates for both lines and click "Calculate Intersection" to see results