How to calculate square footage for landscape rock

When planning out the required amount of rock you will need for your yard, the guidelines below will help you make your purchase.

If you’d like assistance calculating what you need, feel free to give us a call!

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Square Footage

The first step is to figure out the overall square footage of the space you want to cover in rock. The math for calculating square footage is pretty straightforward, length x width. If the area you are covering is not a perfect square, split it up into squares or rectangles to get as close as you can, then add the sum of square feet together to come up with the total square footage.

Length
x Width
Square Feet

Choose Rock Size

Landscape rock comes in many different sizes. You can browse the different types of rock here, and when you find the type you want, you’ll need to select a size. Most rock is measured in the following sizes:

• Fines
• 3/8″
• 1/2″
• 3/4″
• 1″
• 1″ x 4″

Calculate Total Tons

Once you have your square footage and rock size, you can now figure out how many tons you’ll need to cover the area. The most common depth for landscape rock is two inches, so the following calculations are done using that measurement.

How much landscaping rock do i need for 1000 square feet | how much rock do i need for 500 square feet | how much rock do i need per square foot | how much rock do i need for 100 square feet | how to figure out how much rock do you need.

Rock or Gravel is categorised according to their size, size more than 5mm put in the category of gravel, it is formed of igneous rocks. It is categorised as fine gravel (4-8 mm), medium gravel (8 -16 mm), coarse gravel (16 -32 mm), pebbles (32 – 64 mm), cobbles (64 – 256 mm) and Boulder more than 256mm. Generally pebbles, cobbles and boulders put in the category of rocks, their size may vary to 1″- 8″.

Rock is used in landscaping, path, lawn, etc. When you are planning a project involving landscaping rock, a key and important question is how much rock you will need.

To Calculate accurate quantity of rock can save you money and headaches. You don’t want to order too little rock than estimate and not have enough to adequately cover your landscape. But if you order too much, you’ve wasted money—and wasted labor spreading it around. There are two factors to consider when calculating the amount of landscape rock to order for your project: The size of the space you’re covering and how deep you want the coverage.

You are looking to buying rock or stone for your landscaping projects, you need to know how much rock you should purchase and you can load in your vehicle.

Most of rock or stone supplier which are available nearly to you, will give you option to deliver rock and stone at your homes, for this they should cost some money for transportation. If you have a truck or vehicle that you can use to bring rock bag to your destination or construction site, then it is cheaper and faster option for you.

A 1/2 cubic foot bag of rock to stone weighs about 50 pound and will cover 2 square feet at 3 inches thick. To calculate the size, measure the length and the width of your landscaping project area. Multiply length and width to come up with the square footage of your coverage area. So if your project is 20 feet long by 10 feet wide, your coverage area is 200 square feet.

Second step to decide how deep you want your coverage. For most purposes, about 2 inches of rock will be adequate. If you’re using rocks that are themselves larger than 2 inches, then the depth will probably be the size of the rocks, that is, you’ll just want one layer of 3-8 inch rocks.

The amount of landscaping rock you’ll need depends partly on what size of rock or stone you want to use. In this article you know about how much landscaping rock do i need for 1000 square feet.

How much rock do i need for 1000 square feet based on rock calculator formula, which are following:- 1) determine how thick you want the landscaping projects, 2) measure the length and width that you’d like to cover, 3) multiply the length by the width to determine square footage, 4) Rock quantity by ton = total Square footage/ 60- 80 square footage per ton, and always add 10% extra which would be wastage during work.

Rock calculator formula:-1) L×W = Square footage of coverage area, and 2) tons of rock needed = Square footage of covering area ÷ coverage area per 1 ton.

How much rock you will need depending on rock or stone size and depth of area you want to filled. A ton of 3″-8″ size of rock will cover 60 square footage at 3″ to 8″ depth. A ton of 1″-3″ size of rock will cover 80 square footage at 1″ to 3″ depth. A ton of 3/4″-1″ size of screened gravel will cover 100 square footage at 2 inches depth. A ton of 5/8″-1/2″ size of screened gravel will cover 120 square footage at 2 inches depth. A ton of 1/4″-3/8″ size of screened gravel will cover 140 square footage at 2 inches depth.

Using this formula, you can see that if you’re looking to cover 1000 square feet with 1”-3” size rocks, you are probably going to need 12.5 tons. If you’re using smaller size rock, say 3/4”-1”, you may need only 10 tons.

A average size of 1″- 8″ typical Rock such as pebbles, cobbles and boulders will cover range from 60 to 80 square footage per ton. Its means 1 ton of average size rock will cover 60 to 80 square feet area.

As per general practices, you will need approximately 16.5 tons (8.33 yards) of 3″- 8″ size of landscaping rock (cobbles, boulders, or stone) for 1000 square feet area and if you are using smaller size, says 1″-3″ size of cobbles and boulders, you may need only 12.5 tons of rock to cover 1000 square footage. A typical rock will cover 60 to 80 square foot per ton, so you will need amount of rock by ton to cover 1000 square footage = 1000÷60 = 16.5 tons or 1000 ÷80 = 12.5 tons.

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How much landscaping rock do i need for 100 square feet

As per general practices, you will need approximately 1.25 tons to 2 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 100 square feet area. So, to cover 100 square footage, 1.25 tons to 2 tons of rock is needed.

How much landscaping rock do i need for 200 square feet

As per general practices, you will need approximately 2.5 tons to 3.5 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 200 square feet area. So, to cover 200 square footage, 2.5 tons to 3.5 tons of rock is needed.

How much landscaping rock do i need for 300 square feet

As per general practices, you will need approximately 4 tons to 5 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 300 square feet area. So, to cover 300 square footage, 4 tons to 5 tons of rock is needed.

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How much landscaping rock do i need for 400 square feet

As per general practices, you will need approximately 5 tons to 7 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 400 square feet area. So, to cover 400 square footage, 5 tons to 7 tons of rock is needed.

How much landscaping rock do i need for 500 square feet

As per general practices, you will need approximately 6.25 tons to 8.5 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 500 square feet area. So, to cover 500 square footage, 6.25 tons to 8.5 tons of rock is needed.

How much landscaping rock do i need for 600 square feet

As per general practices, you will need approximately 7.5 tons to 10 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 600 square feet area. So, to cover 600 square footage, 7.5 tons to 10 tons of rock is needed.

How much landscaping rock do i need for 1200 square feet

As per general practices, you will need approximately 15 tons to 20 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 1200 square feet area. So, to cover 1200 square footage, 15 tons to 20 tons of rock is needed.

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How much landscaping rock do i need for 150 square feet

As per general practices, you will need approximately 2 tons to 2.5 tons of 1″- 8″ size of landscaping rock (such as pebbles, cobbles and boulders) for 150 square feet area. So, to cover 150 square footage, 2 tons to 2.5 tons of rock is needed.

Conclusions:-

As per general practices, you will need approximately 16.5 tons of 3″- 8″ size of landscaping rock for 1000 square feet area and if you are using smaller size of rock, says 1″-3″ size of cobbles and boulders, you may need only 12.5 tons of rock to cover 1000 square footage.