Stockpile Calculator

The "Smalis Stockpile Calculator" is simple to use, requires no research on materials and yet, provides the pertinent information regarding all aspects of the stockpile. Simply enter the material to be conveyed and the length of the conveyor that is being considered. (Attention "Internet Explorer" users: Should your browser prompt you, please click on "Show blocked Content" in order to allow the necessary calculations.

Required Information
Material:			Length of Conveyor (ft)		Use the "tab" key to navigate between input cells, and perform final calculations.


Material Characteristics
Material:			Angle of Repose		Wgt of Material



Linear Measurements (Based on 18° Conveyor Inclination and Conical Height of 97% of Maximum)
Height of Stacker (ft)		Horizontal Distance of Stacker (ft)		Radius of Conical Pile (ft)		Horizontal Distance of Stacker + Stockpile (ft)			Height of Conical Pile (ft)


Volumetric and Weight Measurements
Conical Pile		5° Arc		10° Arc		15° Arc		20° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


25° Arc		30° Arc		35° Arc		40° Arc		45° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


50° Arc		55° Arc		60° Arc		65° Arc		70° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


75° Arc		80° Arc		85° Arc		90° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


95° Arc		100° Arc		105° Arc		110° Arc		115° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


120° Arc		125° Arc		130° Arc		135° Arc		140° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


145° Arc		150° Arc		155° Arc		160° Arc		165° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons


170° Arc		175° Arc		180° Arc		185° Arc
Yds³	Tons	Yds³	Tons	Yds³	Tons	Yds³	Tons



This document is offered for the purposes of estimating volume and weight of a stockpile. No liability is assumed for the accuracy of the data calculated herein, either expressed or implied by Smalis Inc. For materials that exhibit a range of Angles of Repose, based on parameters such as moisture content or variations in size, a median value of the range is used in order to establish the volumetric and weight. Redistribution of this spreadsheet or source code, in any form, is strictly prohibited.