Vertical Curve Calculator

Parabolic vertical road curve; grades are percentages and distance is horizontal stationing.

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Result

Enter your values and run the tool to see your result.

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Elevationy0+g1*x/100+(g2-g1)*x^2/(200*length)

Grade at stationg1+(g2-g1)*x/length