Curvature Calculator

Units imperial Metric
Eyesight Height m / H
Distance To Target km / D
Distance to Horizon km / D1
0
Target Hidden Height m / H1
0

Diagram

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Assumptions

  1. Light travels in a straight line.
  2. The Earth is a sphere with a radius of 6371 km.

Resources

  • Books
D1 H1 / TARGET HIDDEN HEIGHT 0 0 D1 / DISTANCE TO HORIZON D / DISTANCE TO TARGET 0 H / EYESIGHT HEIGHT 0 Earth Curvature Calculator
D1 H1 / TARGET HIDDEN HEIGHT 0 m 0 km D1 / DISTANCE TO HORIZON D / DISTANCE TO TARGET 0 km H / EYESIGHT HEIGHT 0 m Earth Curvature Calculator