Are you gaining ready to develop a deck, sidewalk, patio, or BBQ pit? need to number out how numerous bags that concrete for short article holes or sonotube footings? depending on how big your project and where the located, it may be easier and also cheaper come mix your own than order ready-mix. So, if she trying to number out how plenty of bags the concrete in a garden for her project, this guide is because that you.

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To mix a yard of 4000psi concrete you’ll need ninety 40lb, seventy-two 50lb, sixty 60lb, forty-five 80lb, or forty 90lb bags that mix. A dry yard of concrete weighs around 3600lbs and also needs 32 to 34 gallons of water. A yard of concrete will certainly make a 4” thick, 81ft² slab.

In this guide, we’ll talk about how many square feet room in a yard of concrete, different weights the bagged concrete, cubic feet every bag, the number of bags that make up a yard, and how many bags top top a pallet. We’ll additionally explain exactly how to calculate the amount of concrete you’ll need for a slab, fence post, or sonotube, to add what the dry load of a yard runs. This is the ultimate overview for deciding whether ready-mix or bagged concrete is finest for her project.


Sonotube footings for decks regularly have a deck anchor placed into the concrete rather of a section of the post, for this reason they are fully filled through concrete. Calculate the volume of the sonotube utilizing its radius and also length or depth it is sunk right into the ground (v = π r²h wherein pi or π = 3.14). The table below indicates the amount of concrete necessary for various diameters that 4-foot sonotube lengths.

Concrete for Sonotube Deck Footings
Sonotube DiameterVolume60lb Bag (0.45ft³)80lb Bag (0.6ft³)
8” x 4ft1.393ft³3.1 or 4 bags

(or 3 bags and a rock or two)

2.32 or 3 bags
10” x 4ft2.181ft³4.84 or 5 bags3.635 or 4 bags
12” x 4ft3.14ft³6.98 or 7 bags5.23 or 6 bags

How lot Does a garden of Concrete Weigh

A garden of concrete is written of cement, sand, and stone or gravel, otherwise known as aggregates. The dry content is bagged and shipped on pallets. Various grades or toughness use various ratios in the blend, bring about varying weights every yard. The weight of water included is about half the weight of the cement ratio in the mix.

It bring away sixty 60lb or forty-five 80lb bags that 4000psi concrete mix to make a garden of concrete. Mathematically, 60×60 = 3600lbs and also 45×80 = 3600lbs, so a dried cubic yard of concrete mix would weigh 3600lbs. Including water come the mix boosts the mean weight to about 4000lbs.

Depending on the manufacturer, the ratio of measures to make the concrete mix, elevations, and temperatures, a garden of concrete may need in between 27 and 35 (or more) US-gallons of water. A united state gallon the water weighs 8.34lbs, therefore the variety of gallons boosts the load accordingly.

Water is necessary for the chemistry reaction come harden the powder mix. However, although that doesn’t change the all at once finished volume much, the does change the initial weight. As the concrete cures, much of the water evaporates, reducing the load to about 3700lbs.

How numerous Yards that Concrete in a Truck

The lot of load a van can lug depends on what it is designed to carry. Some factors affecting tons are wherein it is traveling and when. Hills and bridges have the right to restrict pack sizes, and also weight restrictions may vary between jurisdictions and also even seasonally. Additionally, statutory united state weight limits of 80,000 pounds ~ above tractor-trailers restrict tons to between 43,000 and also 47,000 pounds, as perform 48,000 pounds top top 3-axle cement trucks.

On mean most ready-mix concrete trucks lug 10.5 yards or 42,000 pounds, back some bring 12.5 yards. A 48’ tractor-trailer regularly carries 14 yards, distribution trucks 2 come 3 yards, and a half-ton truck about a 3rd of a yard of dried mix.

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To recognize your vehicle’s carrying capacity, recognize the GVWR and subtract that is curb weight. A 1/2-ton truck v a 6600lb GVWR and also a curb weight of 5100lbs, has actually a fill capacity the 1500lbs, consisting of the driver, passengers, and cargo. It no recommended to exceed the load capacity.