Curva de Nível (eqd dist)

eqd = Δh/decliv.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

m
100,000

About this calculator

The Cross-Section Curve is a fundamental tool in topography, used to determine the inclination of a surface. It is calculated by dividing the height variation (Δh) by the slope.

This measure is essential in construction projects, as it helps determine whether an area is flat or sloping. It is commonly used in infrastructure works, such as roads, bridges and buildings.

It is essential to be careful when calculating the Cross-Section Curve, as small variations can significantly affect the surface inclination. Additionally, it is crucial to consider the terrain conditions and potential climatic changes.

Frequently asked questions

What is the slope?

The slope is a measure of the inclination of a surface. It is expressed as a percentage and is used to determine the inclination of the Cross-Section Curve.

When should I use the Cross-Section Curve?

The Cross-Section Curve should be used at all stages of the construction project, from the planning phase to the execution of the work. It helps to determine the inclination of the surface and avoid stability problems.

How can I calculate the Cross-Section Curve?

The Cross-Section Curve can be calculated using the formula: eqd = Δh / slope. You can use the online calculator available here or perform the calculation manually.

What can I do if I have problems calculating the Cross-Section Curve?

If you have problems calculating the Cross-Section Curve, it is recommended to consult a professional topographer or civil engineer. They can help resolve the problems and ensure that the work is carried out safely and efficiently.

Can I use the Cross-Section Curve on any surface?

The Cross-Section Curve can be used on any surface, provided that it is possible to measure the height variation and slope. However, it is essential to consider the terrain conditions and potential climatic changes before performing the calculation.

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