# Railroad curve

This online calculator is designed to calculate the railroad degree of curve.

## Calculator

## Formula

D = 2 x arcsine x (50ft/R)

- D – railroad degree of curve
- R – radius in foot

**Note**. This statistical railroad curve calculator is provided for your personal use and should be used as a guide only. Roadways and other decisions should NOT be based on the results of this calculator. Although this calculator has been tested, we cannot guarantee the accuracy of its calculations or results.

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