# How do you calculate tonnage of a base?

## How do you calculate tonnage of a base?

Length in feet x Width in feet x Depth in feet (inches divided by 12). Take the total and divide by 21.6 (the amount of cubic feet in a ton). The final figure will be the estimated amount of tons required.

## How much does gab weigh per cubic yard?

One cubic yard of gravel can weigh between 2,400 to 2,900 lbs. Or up to one and a half tons approximately. Generally, a cubic yard of gravel provides enough material to cover a 100-square-foot area with 3 inches of gravel.

How is road base calculated?

If the area you’re covering is rectangular, the calculations are quite straightforward: multiply the length by the width. For irregularly shaped areas, divide it into regular shapes such as triangles, rectangles, and circles. Find the area of those shapes with their respective formulas and then add them together.

### How much decomposed granite Do I need calculator?

How much decomposed granite do you need? Multiply the length of the area to be covered, in feet, by the width, in feet, which gives you the area’s square feet. Then multiply the square feet by 0.25 feet (representing a minimum depth of 3 inches, converted to feet), which gives you cubic feet.

### How many sq ft are in a ton?

600 sq ft
Tonnage Table

Area (Square Feet): BTU Tonnage
600 sq ft 12,000 BTU 1 Ton
900 sq ft 18,000 BTU 1.5 Tons
1,200 sq ft 24,000 BTU 2 Tons
1,500 sq ft 30,000 BTU 2.5 Tons

What area does a ton of gravel cover?

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 much sub base do I need?

Measure the length and width in metres of the area you wish to fill with a sub base aggregate e.g. 20m x 10m. Multiply the length and width to find the area in square metres. Multiply by the depth e.g. 150mm. Multiply by 2 to get the tonnage required.

#### How deep should decomposed granite be?

We recommend getting enough DG to achieve a depth of 2″ to 3″ throughout your walkway, and 4″ if you are covering a whole driveway.

How many square feet does a yard of DG cover?

Ways to Get it:

Landscape Coverage Chart
ONE CUBIC YARD (27 cubic feet) will cover: ONE UNIT (7.5 cubic yards) will cover:
162 sq ft 2″ deep 1200 sq ft
108 sq ft 3″ deep 800 sq ft
81 sq ft 4″ deep 600 sq ft