Curvature & Refraction Calculator

Calculate combined curvature and refraction correction for leveling.

Linear measurement between two points.
ft
A numerical factor used in formulas.

Results

Curvature Correction:
Calculated curvature correction based on your inputs.
-ft
Refraction Correction:
Calculated refraction correction based on your inputs.
-ft
Combined (C&R):
Calculated combined (c&r) based on your inputs.
-ft
Reference: Industry Standards.