Use this digital gravel calculator come estimate how much gravel in volume (cubic ft, cubic yards, or cubic meters) or weight (tons & pounds, tonnes and kilograms). It offers a standard pea gravel density.

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Calculating exactly how much gravel girlfriend need

Many builders and also gardeners face the job of calculating or estimating the amount of gravel lock would should fill a given space or sheathe a provided area v a great of gravel. Our gravel calculator is a an excellent assistance in together cases, maintaining in mind the the outcomes will only be as great as the entered measurements and density. The process is together follows:

Estimate the volume of gravel needed, making use of geometrical formulas and plans or measurements.Estimate or find out the thickness of your desired gravel mix. The default value is pea gravel density.Multiply the volume by the density (in the very same units) to get the weight

It is often a good idea to take into consideration buying 5-6% an ext gravel 보다 estimated by our calculator, to it is in on the for sure side.

Square or rectangular area

To calculate how much gravel you need to cover a rectangle-shaped area you should multiply the volume through the gravel density. The volume formula for a rectangular (or square) box in cubic feet is height(ft) x width(ft) x length(ft), as watched in the figure below:


For example, to fill a box through a broad of 3ft and a length of 6ft, come a depth the 1ft, you need to multiply 1ft x 3ft x 6ft = 24ft3 (cubic feet) that gravel, climate multiply the by the density. Our pea gravel calculator handles all this because that you given you it is provided the dimensions.

Round area covered with gravel

If the area you want to cover with gravel, or the form you desire to to fill is round, the calculation is a little bit different:


The volume of a number with a round structure is its elevation times the area of its foundation. To calculate the foundation area the calculator requirements its diameter, because the formula is π x r2, wherein r is the radius, or diameter/2. Again, the gravel calculator will carry out this mathematics for you.

Irregularly shame area

In situation the area you are calculating has actually an rarely often, rarely shape, things get a bit an ext difficult, however in general what girlfriend would want to perform is division it in numerous regularly-shaped sections, calculate your volume and gravel requirements and then amount them up together. The one-click copy role of ours tool need to come in handy. In situation you end up with a large number of part to sum, you can appreciate our summation calculator.

Gravel basics and also gravel density

Gravel is a naturally developing material, consists of water-born pieces of rock and also is discovered in buried or current stream beds. The peas are usually rounded with smooth surfaces, while various other properties count on "parent rock". Friend may likewise encounter "crushed gravel", which is simply larger gravel particles crushed come a smaller desired size.

Gravel is usually offered with a guarantee maximum particle size, e.g. 10mm, 20mm. This means that no side of any kind of particle will be bigger than the specified measurement, i m sorry is completed through screening, commonly using commercial automated screeners. Keep in mind that a gravel"s thickness depends on this, so make sure to top the manufacturer"s technical specifications because that the estimated density which you must then intake in our gravel calculator. Usual gravel density (dry) is in between 1520 and 1680 kg/m3 (95 come 105 lbs/ft3). If that is mixed with sand the density is approximately 1920 kg/m3 or 120 lbs/ft3 <1>.

Crushed stone is often used as a product for developing concrete. That is likewise used as a road base, and in some locations it is used for paving roads, for instance Russia has over 400,000 km (250,000 mi) of gravel roads. That is a an excellent driveway basic material, bike route base fill, paver patio below base, walkways, and also just basic fill material. Some species of gravel offer great drainage as water is able to percolate v the stones leaving your building or walkway clean and dry.

usual gravel and crushed stone sizes

Contrary come what you might think, there is an ext than one kind of gravel, both by composition and also size that the stones. Choosing the right size and also style is an essential for the success of any type of construction project, as some are much more versatile and have a various application than others. Because that example, landscaping gravel would certainly last longer than mulch or pine tree straw, make it good for outdoor spaces request a durable material, while building and construction gravel offers solid footing for construction and landscaping. Different varieties of gravel have various densities and by knowing it girlfriend can get a much more accurate calculation for the lot of gravel girlfriend need.


Gravel is categorized in 2 main types under the Udden-Wentworth scale: granular gravel (2 come 4 mm / 0.079 to 0.157 inches) and pebble gravel (5 come 64 mm or 02 to 2.5 inches). That is more categorized in number of types, detailed in the table listed below <2>:

Gravel (crushed stone) species <2>TypeDescription

For little projects, you deserve to buy pea gravel in small bags, however for larger projects, you would must buy by the cubic garden or by the ton (cubic meter or tonne). You’ll have to reach the end to a landscaping supplier to acquisition this quantity, making sure you also ask around transportation costs. Our tool permits you to get in price per ton (or tonne) to acquire a price calculation as well.

Bank gravel(bank run, flow run) normally deposited, usually mixed with sand or clay.
Bench gravelA bed that gravel above the present river bottom. It to be deposited over there previously, once the river had actually a higher level.
Creek absent / flow rockRounder, semi-polished stones of various types, dredged or scooped from stream beds. Provided as concrete aggregate.
Crushed stone(DGA - dense grade aggregate, QP - quarry process, shoulder stone) Rocks crushed and graded through crusher and also screeners. Widely supplied for roads and driveways.
Fine gravelGravel with particles between 2 and also 4 millimeters.
Lag gravelSurface buildup of coarse gravel produced by the removal of finer particles.
Pay gravel("pay dirt") Gravel with a high concentration the precious metals like gold. The metals deserve to be recovered with gold panning.
Pea gravelGravel consist of of small, rounded stones in concrete sizes. Used for walkways, driveways house aquariums, house gardening and also landscaping.
Piedmont gravelCoarse gravel the is brought down from high places by streams and also deposited on relatively flat floor by slow running waters.
Plateu gravelA gravel great on a plateau or another an ar above the height at i beg your pardon stream-terrace gravel is usually found.

What is the density of gravel?

The density of common gravel is 105 lb/ft3 (1680 kg/m3). This synchronizes to gravel with average sized pebbles and is the number used in the calculator.

How much does a yard3 that gravel weigh?

A cubic yard of typical gravel weighs about 2830 pounds or 1.42 tons. A square yard of gravel v a depth of 2 in (~5 cm) weighs about 157 pounds (~74 kg). The gravel is assumed clean of dirt and other debris.

How much does a cubic meter of gravel weigh?

A cubic meter of common gravel weighs 1,680 kilograms 1.68 tonnes. A square meter of gravel with a depth of 5 centimeter weighs about 84 kg or 0.084 tonnes. The numbers are obtained using this gravel calculator.

How much is a ton the gravel?

A ton that gravel with average-sized pebbles is around 0.705 cubic yards, or 19 cubic feet, suspect it has actually been screened for debris and also contains no leftover dirt, sand, etc.

How much is a tonne the gravel?

A tonne that moderately damp gravel generally fills about 0.595 m3 (cubic meters). It have the right to be an ext or less thick depending the size of the pebbles, the exact type of resource rock, and also purity.

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Ton vs tonne, loads vs tonnes

When calculating the gravel weight, make sure you do not confused the tonne (metric ton) with the ton (short ton). The very first one is supplied by all nations in the world and is characterized to be equal to 1000 kg through the worldwide body that standardization. The ton is at this time only provided in the joined States and is same to 2000 pounds (2000 lbs). The difference in between the two is not large but have the right to quickly include up to a far-ranging number as the amount increases.