# Angle of Repose Calculator

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## What is Angle of Repose Calculator?

Angle of Repose Calculator is a tool that helps calculate the maximum slope of a material that can be piled up without collapsing. The calculator takes into account the height and radius/distance of the material to calculate the angle of repose.

### How to Use Angle of Repose Calculator?

Using the Angle of Repose Calculator is simple. Enter the height and radius/distance of the material into the input fields provided. Then, click the “Calculate Angle of Repose” button to get the maximum slope angle of the material. The Angle of Repose Calculator uses the following formula to calculate the angle of repose:

### Formula for Angle of Repose Calculator

a = atan (h/r)

**where,**

a is the Angle of Repose in degrees

h is the Height of the material

r is the Radius/Distance of the base of the material

Example of Angle of Repose Calculation

Suppose a pile of sand has a height of 5 meters and a radius of 3 meters. The maximum slope angle of the sand can be calculated using the formula:

a = atan (h/r)

a = atan (5/3)

a = 59.04 degrees

Therefore, the maximum slope angle of the sand is 59.04 degrees.

### FAQs

What is the angle of repose?

The angle of repose is the maximum slope angle of a material that can be piled up without collapsing.

Why is the angle of repose important?

The angle of repose is important in many industries such as mining, agriculture, and construction. It helps determine the stability of materials and prevent accidents.

How accurate is the Angle of Repose Calculator?

The Angle of Repose Calculator provides an estimate of the maximum slope angle and should be used as a guide only. The actual angle of repose may vary based on factors such as the shape, size, and moisture content of the material.

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