Q:
# What is the formula for concrete in cubic yards?

Multiplying the length, width and depth, converted to yards, of the area in question provides the amount of concrete needed in cubic yards. This formula is applicable for any square or rectangular area, commonly referred to as a slab when pouring concrete.

Continue Reading
Credit:
Andy Sotiriou
The Image Bank
Getty Images

This formula provides an approximation of how much concrete is needed in a designated area. Those preparing to lay down new concrete should round the calculated number up in order to account for differences in depth and spillage. Once the measurements are collected, there are several online tools that allow the user to calculate the cubic yards as well as the number of pre-mixed concrete bags needed to fill the area.

Learn more about Building Materials-
Q:
## What are concrete mixing ratios?

A: Concrete mixing ratios are the formula for calculating the correct amount of each ingredient used, including water, cement, sand and aggregate, to produce ... Full Answer >Filed Under: -
Q:
## How do you calculate concrete amounts?

A: Manually calculate concrete amounts in cubic yards for square or rectangular areas by multiplying the length by the width by the depth and dividing by 27. ... Full Answer >Filed Under: -
Q:
## How do you figure how much concrete to use?

A: Figure out the amount of concrete to use by calculating the volume of the desired concrete slab and the footings supporting the slab, then converting this ... Full Answer >Filed Under: -
Q:
## How do I calculate how much gravel I need?

A: To calculate how much gravel is needed, measure the width and breadth of the area in feet, and determine the depth desired. Multiply the length times the w... Full Answer >Filed Under: