## How do I calculate how much river rock I need?

How much river rock do I need?

- Determine the area you wish to cover with river rock.
- Measure the desired depth of your river rock.
- Multiply the area by the depth to obtain the volume you need.
- Find out the density of the river rock you want to use.
- Multiply the volume by the rock’s density to get its weight.

**How many sq ft does a ton of river rock cover?**

50-75 sq. ft

One (1) ton of river rock covers approximately a 50-75 sq. ft.

### How many inches of river rock do I need?

Larger sizes of rock are trickier to calculate, so once you have your square footage, skip the depth calculation and use the following estimates: River rock measuring 3 to 6 inches will cover roughly 50 square feet per ton. River rock measuring 6 inches and over will cover roughly 25 square feet per ton.

**How do you calculate rock coverage?**

Rock Coverage Calculation To calculate this size, measure the length and width of the project area. Multiplying those numbers will give you the square footage (or square meters for our metric friends). For example, if your project area is 20 feet long by 20 feet wide, your coverage area is 400 square feet.

#### How thick should you lay River rock?

The suggested depth of coverage varies according to the size of the individual stones. If the stone size is 1/2-inch or less, the suggested depth is 2-inches. Stones that are 3/4-inch to 1-inch should have a depth of about 3-inches. Stones that are 1-inch or larger should have a depth of 4-inches.

**How many yards is a ton of river rock?**

If you need the amount in tons, multiply the cubic yards by 1.35.

## What size river rock is best for landscaping?

1-3″ river rock – As river rocks continue to get larger in size they remain versatile. Stones that are 1-3″ are the perfect fit for creating a water feature that will become the centerpiece of your property.

**How do I calculate how much stone I need?**

Multiply the length (L), in feet, by the width (W), in feet, by the height (H), in feet, and divide by 27. This number is how many cubic yards of crushed stone you need.

### How many cubic yards of rock do I need?

The formula: Number of Cubic Yards = Length (in feet) Width (in feet) Depth (in feet) ÷ 27.

**What should I put down under river rock?**

The two landscape fabrics that are best suited for rocks are spun landscape fabric and non-woven landscape fabric. In some cases, you might prefer using a thick woven fabric. The four main types of landscape fabrics are: woven, non-woven, spun, and perforated.

#### How many yards is 3 tons?

Ton Register to Cubic Yard Conversion Table

Ton Register [ton Reg] | Cubic Yard [yd^3] |
---|---|

1 ton reg | 3.7037037037 yd^3 |

2 ton reg | 7.4074074074 yd^3 |

3 ton reg | 11.1111111111 yd^3 |

5 ton reg | 18.5185185185 yd^3 |

**Do you need landscape fabric under river rock?**

But because river rocks don’t decompose they don’t need to be replaced or top dressed each season. River rock requires a weed barrier fabric to be laid underneath it to prevent weeds and also to prevent the rock from sinking into the soil. The average river rock bed lasts 10-15 years.

## How do you calculate the weight of a river rock?

After calculating the needed volume of river rock, multiplying its value by the density of this river rock will give you the corresponding weight of your river rock, like in this equation: You can check your preferred river rock’s density value in the different types of river rock section of this text.

**How much is 5 cubic yards of river rock?**

Let’s say that I need 30 cubic feet of standard river rock (89 ). I can purchase 5 cubic yards of river rock at a price of $450.

### What kind of rock is river rock?

Colorado River Rock. River rock is a naturally rounded stone that is produced in various sizes and colors.

**What can you do with river rocks?**

Uniformly colored rocks can function as a decorative addition to an aquarium or can even be landscaped together with your mulch and neatly mowed lawn. We can also find river rocks used as a riprap or soil covering to avoid erosion and water runoff, or as backfill for french drains.