# How much gravel do I need for a 100 square feet?

## How much gravel do I need for a 100 square feet?

Understanding Size and Coverage Using 2 inches for the depth, the following measurements are a guide to the amount of gravel coverage per ton: 1/4 to 1/2 inch gravel, 100 square feet per ton; 1/2 to 1 inch gravel, 90 square feet per ton; and 1 1/2 to 2 inches gravel, 80 square feet per ton.

How big is a 30lb bag of gravel?

Each 30 lb bag will cover about 2.38 sq ft at a depth of 2 inches. So for 156 sq ft at a depth of 2 inches you would need about 66 bags. If you need coverage deeper than 2 inches, more bags will be needed.

### How much gravel do I need for square feet?

How much landscaping rock do I need?

Material Suggested Depth Coverage Area per 1 ton
3”-8” rock 3”-8” 60 square feet
1”-3” rock 1”-3” 80 square feet
3/4”-1” screened gravel 2” 100 square feet
5/8”-1/2” screened gravel 2” 120 square feet

What do you put under gravel?

When to Use Landscape Fabric Landscaping fabric is most typically used beneath mulched areas around trees, shrubs, or bushes. Landscape fabric is laid over soil and then mulch is layered on top of the fabric. Landscape fabric also works well beneath gravel, rock, or hardscaping.

#### How do you calculate yards of gravel?

To determine the cubic yards of gravel you’ll need, first convert all measurements to yards if they’re in inches, feet or another unit of measure. Then, multiply your length by the width by the depth of gravel. This number is the cubic area.

How do you calculate gravel?

Estimation of the space area by applying the area formula (width*length)

• Estimation of the space volume by applying the volume formula (width*length*depth)
• Estimation of the total gravel mass needed either in tons or kilograms,by transforming the volume as follows: Metric – tons: – 1 cubic feet = 0.0520833333 tons –
• ## How to figure the amount of pea gravel needed?

How to Figure the Amount of Pea Gravel Needed. If the area to be covered is a square or rectangle, you easily can calculate the amount of pea gravel needed by hand. Measure the length, width and depth in feet of the area to be covered. Multiply the three numbers together. Divide by 27 to get the number of cubic yards of pea gravel needed.

How much gravel do I Need?

Gravel Calculation. Normally you want a base layer of gravel about 4-inches deep. Four inches is one-third of a foot, so multiply the square footage by one-third to find the cubic feet of gravel you need. For a 120-square foot patio that works out to 40-cubic feet of gravel. However, gravel is usually sold by the cubic yard.