How do you calculate cubic yards?

To calculate cubic yards, measure the length, width, and depth of your project in feet. Multiply these three numbers to get cubic feet, then divide by 27. Formula: (Length x Width x Depth) / 27.

How many bags of concrete do I need for 1 cubic yard?

One cubic yard of concrete weighs about 3,600-4,000 lbs. You will need approximately 45 bags of 80lb concrete mix or 60 bags of 60lb mix to make 1 cubic yard.

How much does a cubic yard of dirt cover?

One cubic yard of dirt will cover approximately 100 square feet at a depth of 3 inches, or 324 square feet at a depth of 1 inch.

Cubic Yard Calculator

Accurately estimate volume for concrete slabs, mulch beds, and gravel driveways.

Project Dimensions

Length

Width

Depth

Frequently Asked Questions

How do I calculate cubic yards manually?

To calculate cubic yards, you first need to convert all your measurements (length, width, and depth) into feet. Multiply them together to get the total cubic feet, and then divide that number by 27.

Formula: (L × W × H) ÷ 27

How many bags of concrete make a cubic yard?

It depends on the size of the bag. Generally, you need:

45 bags of 80lb concrete mix
60 bags of 60lb concrete mix
90 bags of 40lb concrete mix

Always order 5-10% extra for spillage or uneven ground.

How much area does 1 cubic yard of mulch cover?

Coverage depends on depth. One cubic yard covers:

324 sq. ft. at 1 inch deep
162 sq. ft. at 2 inches deep
108 sq. ft. at 3 inches deep (Recommended for weed control)