Spiral / Transition Curve Tangent Distance Calculator

Calculate the distance along tangent to any point on the spiral / transition curve with the given length and the radius of the curve.

Spiral / Transition Curve Tangent Distance Calculation

Code to add this calci to your website Expand embed code Minimize embed code

Formula Used:

Y = L − { L5 / ( 40×R²×Ls²) } Where, Y - Tangent distance to any point on the spiral L - Length of spiral from tangent to any point Ls - Length of spiral R - Radius of Simple Curve spiral transition curve

Spiral / transition curve tangent distance calculations are mostly used in the construction of railways and highways.

english Calculators and Converters

Ask a Question