hit ENTER key or click on CALCULATE button. document.calculator.units2.selectedIndex="3"; But this does not apply to all rocks; some rocks may weigh more or less, depending on their density. Email us at mail@artfiberglass.com for your order information. } sure to choose proper unit. The downside of rock tumbling is that it can be a very noisy process. Granite rock weight calculator If you'll be using lava rock for your project, it weighs in at about 1,500 pounds per cubic yard. } We can also find river rocks used as riprap rocks or soil covering to avoid erosion and water runoff, or as backfill for french drains. } The calculators are grouped into these categories: Unit Conversion, Concrete Materials, Aggregate, Road Materials, Masonry Estimator, Landscape Supplies, and Mulch. Values[3]=UnitConverter(Values[3],Units[3]); Depending on the type of rock it may weigh between 143.6 and 186.0 pounds. document.calculator.material.selectedIndex="1"; )Continue, Adding river rocks to aquariums is both fun and important for many reasons. #1. Going back to the computations, to know how heavy this volume of pea gravel is, we evaluate its weight using the equation below: We now know we need more than 1,126.44kg1,\!126.44\ \text{kg}1,126.44kg of pea gravel for our walkway project from our calculation above. } } So, on average, a 1000 cm3 piece of rhyolite weighs 2530 grams (5.58 pounds). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Facebook Instagram LinkedIn Pinterest Twitter YouTube, By using HomeAdvisor, you agree to our Terms & Conditions, Copyright 1999 - 2023 HomeAdvisor, Inc. All Rights Reserved, Copyright 1999 - 2023HomeAdvisor, Inc. All Rights Reserved, Tile Calculator: How to Calculate the Number of Tiles Needed. A circle with height is a cylinder. Units[0]=document.calculator.units0.selectedIndex; if(Shape=="6")/*Round Column Solid*/ back to the start default values. People Stories. Values[4]=document.calculator.qty.value; Weight=(Values[0] * 0.707327 * Values[1] * Values[1] * Values[2] * Values[4]); The density range of rhyolite is 2.35 to 2.7 g/cm3, and the median density is 2.53 g/cm3. Calculating the weight of rocks using their density and volume is pretty straightforward. document.calculator.value1.value=""; document.calculator.imgshape.src="https://www.artfiberglass.com/calc/images/tube.jpg"; weight of limestone needed = 3.3 m * 2,410 kg/m = 7,953 kg. function gObj(obj) {var theObj;if(document.all){if(typeof obj=="string"){return document.all(obj);}else{return obj.style;}}if(document.getElementById){if(typeof obj=="string"){return document.getElementById(obj);}else{return obj.style;}}return null;}function trimAll(sString){while (sString.substring(0,1) == ' '){sString = sString.substring(1, sString.length);}while (sString.substring(sString.length-1, sString.length) == ' '){sString = sString.substring(0,sString.length-1);} return sString;} function showDebugInfo(){}function r(A){if(A=="10x"||A=="log"||A=="ex"||A=="ln"||A=="sin"||A=="asin"||A=="cos"||A=="acos"||A=="tan"||A=="atan"||A=="e"||A=="pi"||A=="n!"||A=="x2"||A=="1/x"||A=="swap"||A=="x3"||A=="3x"||A=="RND"||A=="M-"||A=="qc"||A=="MC"||A=="MR"||A=="MS"||A=="M+"||A=="sqrt"||A=="pc"){func(A)}else{if(A==1||A==2||A==3||A==4||A==5||A==6||A==7||A==8||A==9||A==0){numInput(A)}else{if(A=="pow"||A=="apow"||A=="+"||A=="-"||A=="*"||A=="/"){opt(A)}else{if(A=="("){popen()}else{if(A==")"){pclose()}else{if(A=="EXP"){exp()}else{if(A==". There are some river rocks that are initially unfit for aquariums,, Read More How to Clean River Rocks for Aquarium? Crushed granite. This is the best app. This method is more accurate than the other two. if(unit=="3") A small rock would obviously weigh less than a roomful of soil, but rock is heavier in the sense that a rock of given size weighs more than the same-size sample of soil. } But their weights shouldnt be far off. document.calculator.img3.src="https://www.artfiberglass.com/calc/images/length.jpg"; /* function DensityConverter(value,unit){ document.calculator.units3.selectedIndex="3"; return false; document.calculator.img1.src="https://www.artfiberglass.com/calc/images/gauge.jpg"; We equipped this gravel estimator for river rocks with a variety of features that you might find helpful. So, on average, a 1000 cm3 piece of gneiss weighs 2750 grams (6.1 pounds). * Fill in the dimensions of your material referring Enter volume, select a unit of volume, and specify a material or substance to search for. document.calculator.img2.src="https://www.artfiberglass.com/calc/images/notreq.jpg"; } "); if (MatlSelect>"0") { Less than 13 pounds per square foot. Then measure the length, width, and height of the stone. #sciout{padding:5px;border-top:1px solid #262626;border-left:1px solid #262626;border-right:2px outset #262626;border-bottom:2px outset #262626;background: #eeeeee;font-family:arial,helvetica,sans-serif;}#sciOutPut{font-size:18px;padding:3px;margin:2px;cursor:text;text-align:right;background-color:#B8C6A3;border:1px solid #87996b;border-radius: 3px;color:#000;}.scifunc{display: inline-block;display: table-cell;vertical-align: middle;text-align:center;width:50px;height:25px;margin:1px;border:1px solid #262626;border-radius: 3px;font-family:arial,helvetica,sans-serif;font-size:16px;font-weight:bold;color:#185290;background-color:#C8D8E8;}.scifunc:active {background-color:#013f7d;color:#ffffff;}.scinm{display: inline-block;display: table-cell;vertical-align: middle;padding: 5px 0px;text-align:center;width:50px;height:30px;margin:1px;border:1px solid #262626;border-radius: 3px;font-family:arial,helvetica,sans-serif;font-size:16px;font-weight:bold;color:#FFF;background-color:#262626;}.scinm:active {background-color:#aaaaaa;color:#000000;}.sciop{display: inline-block;display: table-cell;vertical-align: middle;padding: 5px 0px;text-align:center;width:50px;height:30px;margin:1px;border:1px solid #262626;border-radius: 3px;font-family:arial,helvetica,sans-serif;font-size:16px;font-weight:bold;color:#262626;background-color:#ccc;}.sciop:active {background-color:#000000;color:#ffffff;}.scird{display: inline-block;display: table-cell;vertical-align: middle;text-align:center;height:30px;margin:1px;border:1px solid #eeeeee;border-radius: 3px;font-family:arial,helvetica,sans-serif;font-size:13px;color:#262626;}.scieq{display: inline-block;display: table-cell;vertical-align: middle;padding: 5px 0px;text-align:center;width:50px;height:30px;margin:1px;border:1px solid #262626;border-radius: 3px;font-family:arial,helvetica,sans-serif;font-size:16px;font-weight:bold;color:#F00;background-color:#DCADB0;}.scieq:active {background-color:#ff0000;color:#ffffff;}#calfootnote {font-family:arial,helvetica,sans-serif;font-size:12px;text-align:right;}, See some of our amazing our artists stone sculpture at WWW.MARBLECARVE.COMBelow are just a couple examples, Email us at mail@artfiberglass.com for your order information, Price Email UsNatural Marble Dolphin Statue Sculpture Garden carvingMoreinformationSHIPPING BY SEA, Price Email UsNatural Hand Carved, Solid Marble, 200 CM, 6.56' ft tall Fu Dogs Statue Temple lions Sculpture Garden carvingCustom made to order in 60 days normallyMoreinformation on these StatuesSHIPPING BY SEA, Price Email Us at mail@artfiberglass.com for a quoteGuan Yin Marble Statue Carvings, Kwan Yin Natural Marble Guan Yin Sculpture Garden carvingMoreinformationSHIPPING BY SEA, Marble * Granite document.calculator.img3.src="https://www.artfiberglass.com/calc/images/notreq.jpg"; 2.98. (Complete Procedure)Continue, Rock-hounding is a collection of activities that center on rocks and rock collectors. Use light-colored river rocks for a cooler garden as they tend to reflect more sunlight than the dark-colored ones that absorb heat more. document.calculator.img1.src="https://www.artfiberglass.com/calc/images/diameter.jpg"; If you need to figure out how many tons to buy, multiply your cubic yards by the weight in tons of the material. With a volume of 1000 cm3, a piece of gneiss weighs about 2600 to 2900 grams (5.73 to 6.4 pounds). You can use river rocks to pave your pathways or to surround your plants to protect the soil from erosion or from pets that like digging soil. Calculate how much of this gravel is required to attain a specific depth in a cylindrical, quarter cylindrical or in a rectangular shaped aquarium or pond [ weight to volume | volume to weight | price ], Convert between units of mass and molar concentration for Bilirubin [C33H36N4O6], Volume to weight, weight to volume and cost conversions for Refrigerant R-11, liquid (R11) with temperature in the range of -1.12C (29.984F) to 115.56C (240.008F). Density=document.calculator.material.options[document.calculator.material.selectedIndex].value; They weigh 40 grams (1.41 ounces) on average. }); When combined with other underground structures like perforated drainage pipes and other subgrade rock layers, they can also prevent water puddling and soil erosion. Granite rock weight calculator Enter the granite length (ft), the granite width (ft), and the granite thickness (in) into the Granite Weight Calculator. for weight calculation: Tile, Column, Hexagon, per cubic yard, Washed Gravel1.35 tons (2,700 lb.) var Valid; per cubic yard, Landscape Gravels1.20 1.35 tons (2,400 2,700 lb.) Beautifying your outdoor space with landscape rock products will bring enjoyment, low maintenance, and added value to your home. Quantity may differ depending on stone type. if(unit=="inch") Check the grading on the side of the container that corresponds with the water level. var MatlSelect; "); Weight of the selected item is calculated using its density and entered volume. Granite Boulders Approximate Weight Chart. } "){if(value<0||value>200||value!=Math.round(value)){value="NAN"}else{var E=1;var A;for(A=1;A<=value;++A){E*=A}value=E}}else{if(D=="MR"){value=memory}else{if(D=="M+"){memory+=value}else{if(D=="MS"){memory=value}else{if(D=="MC"){memory=0}else{if(D=="M-"){memory-=value}else{if(D=="asin"){if(degreeRadians=="degree"){value=Math.asin(value)*180/Math.PI}else{value=Math.asin(value)}}else{if(D=="acos"){if(degreeRadians=="degree"){value=Math.acos(value)*180/Math.PI}else{value=Math.acos(value)}}else{if(D=="atan"){if(degreeRadians=="degree"){value=Math.atan(value)*180/Math.PI}else{value=Math.atan(value)}}else{if(D=="e^x"){value=Math.exp(value*Math.LN10)}else{if(D=="2^x"){value=Math.exp(value*Math.LN2)}else{if(D=="e^x"){value=Math.exp(value)}else{if(D=="x^2"){value=value*value}else{if(D=="e"){value=Math.E}else{if(D=="ex"){value=Math.pow(Math.E,value)}else{if(D=="10x"){value=Math.pow(10,value)}else{if(D=="x3"){value=value*value*value}else{if(D=="3x"){value=Math.pow(value,1/3)}else{if(D=="x2"){value=value*value}else{if(D=="sin"){if(degreeRadians=="degree"){value=Math.sin(value/180*Math.PI)}else{value=Math.sin(value)}}else{if(D=="cos"){if(degreeRadians=="degree"){var C=(value%360);if(C<0){C=C+360}if(C==90){value=0}else{if(C==270){value=0}else{value=Math.cos(value/180*Math.PI)}}}else{var C=(value*180/Math.PI)%360;if(C<0){C=C+360}if((Math.abs(C-90)<1e-10)||(Math.abs(C-270)<1e-10)){value=0}else{value=Math.cos(value)}}}else{if(D=="tan"){if(degreeRadians=="degree"){value=Math.tan(value/180*Math.PI)}else{value=Math.tan(value)}}else{if(D=="log"){value=Math.log(value)/Math.LN10}else{if(D=="log2"){value=Math.log(value)/Math.LN2}else{if(D=="ln"){value=Math.log(value)}else{if(D=="sqrt"){value=Math.sqrt(value)}else{if(D=="pi"){value=Math.PI}else{if(D=="RND"){value=Math.random()}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}refresh()}; Weight=(Values[0] * 0.785398 * ((Values[1] * Values[1]) - (Values[2] * Values[2])) * Values[3] * Values[4]); t1 = jQuery("#l1").val() * jQuery("#w1").val(); Below, we show you rock weights by type and rock weights by size. Weight=(Values[0] * 0.785398 * Values[1] * Values[1] * Values[2] * Values[4]); For example, let's find the amount of gravel needed for a space that is 10 feet long, 10 feet wide, and 1 foot deep. document.calculator.imgshape.src="https://www.artfiberglass.com/calc/images/oct-points.jpg"; "+H}}return E}function refresh(){var A=format(value);if(exponent){if(Hj<0){A+=" "+Hj}else{A+=" +"+Hj}}if(A.indexOf(". The tonnage will determine whether or not you can move the boulder on your own. Sample calculation of the amount of needed river rock. If "fire glass" is new to you, you can learn more about that by checking out our fire glass calculator. document.calculator.units3.selectedIndex="6"; if(Weight2>="0.0001"){ Likewise, the right combination of rocks, sticks, dried flowers, and other items will look fantastic. function DensityConverter(value,unit){ Cure the Lava Rocks A very, Read More How Do You Keep Lava Rocks From Exploding? In our example the excavation length is l = 6 yd and the width is b = 3 yd.. Landscaping rocks are basically rocks used in landscaping. } var Converted; document.calculator.units3.selectedIndex="6"; document.calculator.img3.src="https://www.artfiberglass.com/calc/images/notreq.jpg"; if(Shape=="4")/*Octagon Points*/ t2 = jQuery("#l2").val() * jQuery("#w2").val(); value=value*0.03613; In addition, having a high-quality rock tumbler improves safety and the quality of the polished rocks. if((selShape=="0"||selShape=="6")&&(val2=="")){ In this article, we provide the weights of some rocks based on their types and estimated sizes. if(MatlSelect=="0"){ if(unit=="0") But if you cannot lift the rock, you may be unable to use it. So, on average, a soccer-ball-sized rock will weigh 34.98 pounds. document.calculator.img3.src="https://www.artfiberglass.com/calc/images/notreq.jpg"; document.calculator.img2.src="http://www.artfiberglass.com/calc/images/inner.jpg"; 1522. WeightTemp2=WeightTemp2/10000; As you may understand, some stones are more rigid than others. * Choose a material you wish to obtain weight . function Density(){ Basalts density falls between 2.7 and 3.3 g/cm3. document.calculator.imgshape.src="https://www.artfiberglass.com/calc/images/square.jpg"; document.calculator.units1.selectedIndex="3"; return false; "); value=value*0.0160184; Values[0]=DensityConverter(Values[0],Units[0]); Ivory Coast gravel. Here are seven solutions for you: 1. Multiplying this volume by the average weight of a 1-cubic-feet stone (165 pounds) estimates the average weight of basketball-sized rocks. per cubic yard, Limestone Base1.35 tons (2,700 lb.) document.calculator.img3.src="https://www.artfiberglass.com/calc/images/notreq.jpg"; if(Shape=="7")/*Round Column Hollow*/ Converting from cubic yards to tons requires knowing the density of the gravel; while this can vary, our gravel calculator keeps it simple by using the standard 2,835 lbs per cubic yard for density. Terms and Conditions | Return Policy | Privacy Policy | Shipping Information, jQuery(document).ready(function() { As an example, a 10-foot wide, 20-foot long driveway is a 200-square foot area. This Ballast is produced daily at Wilson Quarry to meet the American Railway Engineering and Mining Association (AREMA) #4 Ballast Specifications as well as ASTM C-33 Size #4. by the weight calculator are for estimate reference only. alert("You must enter a value for each dimension. ), How to Polish Rocks with a Bench Grinder (Ultimate Guide! When multiplied by 165 pounds, the result is 34.98 pounds. value=value*2.54; You can check your local gardening supplies or hardware store for river rocks in your area. } To save costs, some rock collectors recommend reusing polishing grit. Download the visual studio codes as a .zip file here: QuickRMR_VScode. These suppliers may offer you a truckload of river rocks for larger projects, depending on their availability. 1 cubic foot of Granite, solid weighs 167.99364 pounds [lbs] Granite, solid weighs 2.691 gram per cubic centimeter or 2 691 kilogram per cubic meter, i.e. return false; value=value*1; "); document.calculator.units0.selectedIndex="0"; } var MatlSelect; Nevertheless, when using our river rock calculator, you can easily change its units by just clicking or tapping on its units and selecting the unit you want. document.calculator.Submit.value="Calculate"; document.calculator.Submit.value="Calculate"; www.engnet.com Converted=DensityConverter(Density,Units); Stone can either be a single slab or individual stone Get Solution. 25 80 130 500 *REMEMBER - These Estimating Tools are meant to assist in . Read More How to Soundproof a Rock Tumbler (7 Easy Ways! Boulder and Stone Weights. So, when measuring any dimension, ensure you measure the longest distance between the two reference points. Your landscape rock coverage calculator would look like this: Circular areas require a bit more calculation. Rocks have irregular surfaces. document.calculator.imgunits.src="https://www.artfiberglass.com/calc/images/kilo.jpg"; Values[2]=UnitConverter(Values[2],Units[2]); )Continue, Rock tumblers are safe to use. var Weight=new Number(0); t3 = jQuery("#l3").val() * jQuery("#w3").val(); Of course, determining the weight of a rock by its density is subject to you knowing the rock type. for additional helpful calculators. per cubic yard. PO Box 699. document.calculator.qty.value="1"; if(Shape=="1")/*Square Column*/ Average density of the material for weight calculation WeightTemp2=Weight2*100000000; value=value*1000; Just use the following formula: Mass of a rock = density of the rock x volume of the rock. 1 inch thick slabs. These rocks are usually round in shape and have smooth textures due to the friction from the water's continuous flow. In Imperial or US customary measurement system, the density is equal to . With practice, you can create some amazing rock displays using colorful rocks. Values[3]=document.calculator.value3.value; document.calculator.qty.value="1"; "); Similarly, if the stone is about the size of a soccer ball, you can equate its volume to that of a soccer ball. Multiply 400 x 172.5, and you get 69,000 pounds. Then, multiply that result by the density of granite (2.5 g/cm). document.calculator.imgshape.src="https://www.artfiberglass.com/calc/images/round.jpg"; } 312+ PhD Experts 9.5/10 Quality score 88759 . function UnitChange(){ /*Rounding kilograms*/ This is one of the heaviest boulder materials you might encounter. return value; Type a value in the Kilograms field to convert the value to Pounds: Type a value in the Pounds field to convert the value to Kilograms: /***************************************** WeightTemp=WeightTemp/100000000; } It is equal to the volume of an excavation, and you can do it in the following way: Determine the length and width of a cuboidal excavation. natural stone sizes and weights change with the stone(s)). document.calculator.img2.src="https://www.artfiberglass.com/calc/images/width.jpg"; Calculating Landscaping Rock by Weight. Step one is establishing the volume of gravel needed. jQuery(".dim-input").change(function() { And accordingly, the densities of such rocks differ. 28.0 - 30.0. alert("You must enter a value for each dimension. document.calculator.img2.src="https://www.artfiberglass.com/calc/images/length.jpg"; For example, say you would like to cover a 10 by 10-foot area with 3 inches of pea gravel. Granite. WeightTemp=Math.round(WeightTemp); } To calculate the weight of the stone, you would use the following calculation: Weight = 20 x 15 x 2 x 2.5 . To find how much river rock you need, here are the steps to follow: You are at the right place to find how much area or square footage a certain volume or weight of river rock can cover. if(unit=="1") } (7 Effective Ways! Now, enter in depth, how deep do you want to fill the layout of your surface, e.g., 3 inches. Play around with the calculator to explore which variables you can work out by filling in your known fields and leaving a particular variable empty. value=value*27.67783; Stone Weight Calculator * The RESET button will change all the settings back to the start default values. Dolomite gravel. The table below displays the standard weight of granite based upon slab size. density of granite, solid is equal to 2 691 kg/m. You will then instantly see the area coverage of your river rock. if(unit=="3") per cubic yard. } Solve Now. ), How to Display Rocks in a Jar? 1602. Units=document.calculator.units0.selectedIndex; Then, multiply the area by the depth. Hiring a professional will take away any risk of . document.calculator.img2.src="https://www.artfiberglass.com/calc/images/length.jpg"; Wilson #4 AREMA 1-1/2" Railroad Ballast is a clean, 100% crushed granite. You can also find out its total cost. To calculate how much gravel you need to cover a rectangular area you need to multiply the volume by the gravel density. return; In other words, a cubic yard of river rock can cost around $150 to $250 depending on its color, rock diameter, and variation in sizes and shades. In the article, you will learn how to calculate river rock volume and its corresponding weight using the densities of different river rocks. Aromas, CA 95004-9601. Crushed stone. CALCULATE A CUBIC YARD: length x width x depth---divided by 27 = the cubic yard (use .5 for 6 inch measurements) 1 YARD COVERS A AREA AT: 2" deep--162 square feet 3" deep--108 square feet (note: all figers are approx. Marble * Granite * Stone * Miscellaneous. Values[4]=UnitConverter(Values[4],"cm"); Use * as a wildcard for partial matches, or enclose the search string in double quotes for an exact match. } } Diorite has a density range of 2.8 to 3.0 g/cm3. For instance, calculate how many ounces, pounds, milligrams, grams, kilograms or tonnes of a selected substance in a liter, gallon, fluid ounce, cubic centimeter or in a cubic inch. Use this calculator to estimate the weight of granite, basalt, bluestone, limestone, and sandstone. Can you keep lava rocks from exploding? Weight=(Values[0] * Values[1] * Values[1] * Values[2] * Values[4]); Stone vendors sell landscape rock by the cubic yard, which is calculated by the volume of material. Can you reuse, Read More Can You Reuse Rock Polishing Grit? So, on average, a basketball-sized rock should weigh around 42.57 pounds. volume = length width depth. WeightTemp=Weight*100000000; 1900 Quarry Road, End of Quarry Road. Weight=(Values[0] * 0.64952 * Values[1] * Values[1] * Values[2] * Values[4]); Finding the tonnage of specific materials such as aggregates is a matter of multiplying its occupied volume by its unit weight. document.calculator.units3.selectedIndex="3"; A standard brick size has been entered. Due to the weight of granite, homeowners should never attempt to install their own granite countertops. With a diameter of 8.8 inches, soccer balls have an average volume of around 0.212 cubic feet. document.calculator.imgunits.src="https://www.artfiberglass.com/calc/images/kilo.jpg" value=value*0.03613; Emery is pretty hard, so its density is a bit higher than the rest we have seen so far. WeightTemp2=Math.round(WeightTemp2); document.calculator.units0.selectedIndex="0"; } Valid=CheckVal(Values[0],Values[1],Values[2],Values[3],Values[4]); Use our river rock calculator to estimate how much river rock you need for your project. WeightTemp=Weight*10000; Its density range is 3.7 to 4.3 g/cm3. Values[0]=document.calculator.material.options[document.calculator.material.selectedIndex].value; The amount of river rock you need depends on the area you wish to cover with river rock and your desired river rock covering depth. Using the formula we have and considering a 5%\small 5\%5% contingency or wastage, we estimate our needed river rock volume as follows: If you need the volume in cubic feet or cubic yards, you can use our volume converter for the conversion. if(Shape=="0")/*Tile Sheet or Rectangle*/ jQuery("#t5").text(Math.round(t5)+" SF"); /*Rounding pounds*/ Estimating is best done by professionals with a clear understanding of the engineering and construction requirements of a particular project. Values[0]=document.calculator.density.value; List of these foods starting with the highest contents of Hydroxyproline and the lowest contents of Hydroxyproline, CaribSea, Freshwater, African Cichlid Mix, Rift Lake Authentic weighs 1505.74 kg/m (94.00028 lb/ft) with specific gravity of 1.50574 relative to pure water. . alert("You must enter values for both Density and Quantity to calculate total weight. Of course, there will be some landscaping rocks smaller or bigger than this. . . if(unit=="mm") weight min = 3.7 1.4 = 5.2 tons. function Measurements(){ Does anyone have any simple formula for calculating the weight of a granite rock, a friend needs one hauled and I have no real idea as to what it would weigh, by comparing to a load of rock, it should be no problem, but gravel has air space, is there a weight per cubic foot calculation somewhere? t5 = jQuery("#l5").val() * jQuery("#w5").val(); River rocks vary in size, texture, and even color, and which one you use will depend on your taste. if((val1=="")){ to the drawing at right-side of screen. }. Let us know whether you would like the quote by email or phone below (and tick the 'Urgent' box if you need the information ASAP). You can mix styles and colors, and use the rocks for gardens, walkways, borders, driveways, and around trees and shrubs. return value; This goes without saying, they are safe and highly effective when used correctly. WeightTemp=WeightTemp*10000; "); Please be specific: if inquiring about thin veneer, please include SF of Flats and LF of Corners needed. if(unit=="1") This method has lower accuracy. iowa. So, the weight of a 1-cubic-foot granite rock is different from the weight of a 1-cubic-foot piece of andesite. At the very bottom, you will see the river rock cost calculator feature, wherein you can enter the cost of river rock per unit volume or per unit mass to find the total cost of your selected river rock. Stone weights are calculated in U.S. lbs per cubic foot (cf) for natural stone. Thus, 1 cubic yard = 2,835 lbs / 2,000 lbs = 1.42 tons.