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.
Alfalfa / Ground 16 45
Alumina 60 30
Aluminum / Pulverized 47.5 35
Aluminum / Lumpy 55 35
Aluminum Oxide 95 30
Ammonium Sulphate 52.5 45
Asbestos / Shredded 22.5 45
Ashes / Soft Coal 40 40
Ashes / Dry 40 45
Ashes / Wet 47.5 45
Asphalt / Crushed 45 35
Bagasse 7.5 45
Bakelite / Powder 35 45
Baking Powder 45 35
Bark / Wood Refuse 15 45
Barley 38 25
Basalt 100 25
Bauxite / Crushed 80 35
Beans / Castor / Whole 37.5 25
Beans / Navy 50 25
Beans / Cocoa 37.5 35
Beans / Whole 45 45
Bentonite / Crude 37.5 45
Bentonite / Fine 55 45
Bones / Pulverized 55 45
Borax / Fine 52.5 35
Borax / Coarse 65 35
Bran 16 35
Brewers Grain / Dry 30 45
Brewers Grain / Wet 57.5 45
Buck Wheat 40 25
Calcium / Carbide 75 35
Carbon Black / Pellets 25 25
Carbon Black / Powder 5 35
Cast Iron Chips 110 45
Cement / Clinker 82.5 35
Cement / Portland 90 35
Chalk / Fine 70 45
Chalk / Lumpy 87.5 45
Charcoal / Wood 22.5 35
Chromium Ore 132.5 35
Cinders / Coal 40 35
Clay / Dry / Lumpy 67.5 35
Clay / Dry / Fine 110 35
Coal / Anthracite / Loose 55 30
Coal / Bituminous / Loose 47.5 35
Coal / Bituminous / Coarse 55 35
Coal / Anthracite / Coarse 67.5 35
Cocoa Nibs 37.5 35
Cocoanut / Shredded 22.5 45
Coffee / Roasted Beans 26 25
Coffee / Fresh Beans 35 35
Coke / Loose 27.5 35
Coke / Petroleum Calcinated 40 35
Coke / Pulverized 30 45
Copper Ore 135 35
Copper Sulfate 80 30
Cork / Ground 10 45
Corn / Shelled 45 25
Corn / Sugar 30 35
Corn / Meal 36 35
Corn / Grits 42.5 35
Cottonseed / Dry / De-linted 35 35
Cottonseed / Meal 37.5 35
Cottonseed / Meats 40 35
Cottonseed / Cake / Lumpy 42.5 35
Cottonseed / Hulls 12 45
Cottonseed / Dry / Not de-linted 21.5 45
Cryolite 100 35
Cullet 100 35
Diatomaceous Earth 12.5 35
Dolomite / Lumpy 95 35
Dolomite / Pulverized 46 40
Earth / Fullers Dry 32.5 23
Earth / Dry 75 35
Earth / Moist 92.5 40
Emery 225 25
Epsom Salt 45 35
Fish / Meal 37.5 40
Flaxseed / Whole 45 25
Flaxseed / Meal 25 35
Fledspar / Lumps 85 35
Fledspar / Dust 90 40
Flour / Wheat 37.5 45
Flue Dust / Dry 30 20
Fluorspar / Lumps 95 45
Fluorspar / Dust 90 45
Foundry / Refuse 70 35
Foundry / Sand / Loose 85 35
Galena 250 35
Garbage / Average 30 25
Glass / Batch Fiber 50 10
Glass / Broken 90 10
Glass / Batch Wool 90 35
Glue / Animal / Flaked 35 25
Glue / Vegetable / Powdered 40 35
Gluten / Meal 39 35
Granite / Lumps 160 25
Graphite / Powder 30 25
Graphite / Flakes 40 35
Graphite / Ore 70 35
Grass Seed 10 35
Gravel / Wet 110 35
Gravel / Dry 95 35
Gypsum / Ground 77.5 35
Gypsum / Lumps 95 35
Hominy 42.5 35
Hops / Spent / Dry 30 45
Hops / Spent / Wet 57.5 45
Ice / Crushed 37.5 20
Ilmenite Ore 150 35
Iron Ore / Pellets 130 35
Iron Ore 150 35
Iron Sulfide 130 35
Iron Sulphate 60 35
Kaolin / Clay 60 35
Lactose 30 35
Lead Ore / Crushed 225 30
Lead Oxides 105 40
Lead Sulfate 180 45
Lignite / Air Fried 50 35
Lime / Hydrated 40 40
Lime / Pebble 35 40
Lime / Ground 62.5 40
Limestone / Loose 90 35
Limestone / Pulverized 87.5 45
Linseed / Whole 47.5 25
Linseed / Meal 35 35
Magnesium / Sulfate 50 35
Magnesium / Chloride 32.5 40
Malt / Dry 27.5 30
Malt / Meal 37.5 35
Malt / Wet 62.5 45
Manganese / Sulfate 70 35
Manganese / Oxide 120 35
Manganese / Ore 132.5 40
Marble / Crushed 87.5 35
Marl 80 35
Mica / Flakes 20 20
Mica / Ground 15 35
Milk / Dried / Flaked 5 35
Milk / Powdered 25 40
Milk / Malted 30 45
Milo Maize 57.5 35
Molybdenum Ore 105 40
Niacin 35 35
Nickel / Cobalt Sulfate Ore 115 35
Oats 30 25
Oats / Rolled 20 35
Oil Cake 50 45
Oxalic Acid Crystals 60 35
Oyster Shells / Whole 80 35
Oyster Shells / Ground 55 35
Paper Pulp Stock 50 20
Peanuts / Not Shelled 17.5 35
Peanuts / Shelled 40 35
Phosphate / Fertilizer 55 35
Phosphate / Rock / Crushed 80 35
Potash 75 30
Potassium / Nitrate 77.5 25
Potassium / Chloride 125 35
Potassium / Sulfate 45 45
Pumice / Ground 42.5 45
Pyrites / Lumps 140 25
Pyrites / Pellets 125 35
Quartz / Sand 75 25
Quartz / Lumps 97.5 25
Rice / Hulled 47.5 20
Rice / Rough 35 35
Rice / Grits 42.5 35
Rock / Crushed 125 30
Rubber / Pellets 52.5 35
Rubber / Ground / Scrap 30 45
Rye / Meal 37.5 20
Rye 43.5 25
Salt / Cake 87.5 30
Salt / Coarse 50 35
Salt / Fine 75 35
Sand / Loose 90 35
Sand / Dry 100 35
Sand / Wet 120 45
Sandstone 85 35
Sawdust 17.5 30
Scale / Rolling Mill 142.5 45
Sewage / Sludge / Dry 50 35
Sewage / Sludge / Wet 55 35
Shale / Broken 95 25
Shale / Crushed 87.5 40
Silica Gel / Dry 45 35
Slag / Granular / Dry 62.5 25
Slag / Blast Furnace 85 25
Slag / Granular / Wet 95 45
Slate / Ground 85 30
Soap 17.5 35
Soda Ash / Brquettesi 50 20
Soda Ash / Heavy 60 30
Soda Ash / Light 25 35
Sodium Aluminum / Ground 72 35
Sodium Nitrate / Ground 75 24
Sodium Phosphate 57.5 35
Soybeans / Whole 47.5 25
Soybeans / Cracked 35 35
Starch / Powered 35 25
Steel / Chips 125 35
Steel / Turnings 90 45
Sugar / Granulated / Dry 52.5 35
Sugar / Granulated / Wet 60 40
Sugar / Cane / Knifed 16.5 45
Sugar / Cane / Raw 60 45
Sulphur / Dust 60 35
Sulphur / Lumps 82.5 35
Taconite / Pellets 130 35
Talc / Granulated 60 20
Titanium Dioxide 140 35
Titanium Sponge 65 45
Tobacco / Leaves 14 45
Tobacco / Stems 15 45
Tobacco / Scraps 20 45
Traprock / Lumps 105 35
Traprock / Crushed 102.5 35
Walnut / Shells 40 35
Wheat 48 25
Wheat. Germ / Dry 25 25
Wheat / Cracked 42.5 35
Wood Chips 20 45
Zinc Ore / Granular 160 35
Zinc Oxide 22.5 45