### Actual Concrete Mix Ratios For 3000, 3500, 4000, and 4500 psi

The MAIN difference is in the amount of cement used. A cubic yard of concrete, whether it's 3000 psi or 4000 psi, weighs about 4000 pounds (when you include the weight of water). But, there's 511 pounds of cement used to make 1 yard of 3000 psi concrete and there's 624 pounds of cement used to make 1 yard of 4000 psi concrete.

### How much cement would I need?

* A minimum cement content of 6 bags per cubic yard of concrete, * A maximum water content of 6 gallons per bag of cement, * A curing period (keeping concrete moist) a minimum of 6 days, and * An air content of 6 percent (if concrete will be subject to freezing and thawing). But they don't say how large a bag is.

### The Ultimate Cheat Sheet for Concrete Slabs | Sakrete

Now that we know the volume, the second step is to calculate how many bags of concrete it will take to fill the hole. On the bag it will tell you how many cubic feet the bag will fill. This is the yield, and the yield on an 80-pound bag is about 6/10 (0.6) cubic feet. If you take the example above of 1.3 cubic feet, the calculation would be:

### Calculate Bags of Concrete Mix - Round + Square Footing

Pre-Mix Concrete Bag Calculator Calculated at 133.3 lb per ft³ - Allow extra for waste Cubic Feet - 100# Bags 80# Bags 75# Bags 60# Bags 50# Bags 40# Bags 25# Bags 20# Bags 10# Bags @ \$ per bag

### How many bags of portland cement is needed to mix 1 cubic

One cubic meter of concrete is equal to 1.308 cubic yards of concrete. If there are 5 1/2 bags of cement in 1 cubic yard of concrete, there would be 7.2 bags in 1 cubic meter of concrete.

### How much cement would I need? - Math Central

I need to know if I have enough and how many bags of cement I need to buy. I will be ... 3 = 27 cubic feet in a cubic yard so the calculations should be. 2.475 x ...

### Concrete Mixing Ratios - How To Make Concrete (Cement, Sand

For estimating purposes, you can make about 1 cubic yard of concrete with 5 1/2 94-pound bags of cement, 17 cubic feet of sand, and 18 cubic feet of gravel. (It takes about forty 80-pound bags of prepackaged materials (like Quikrete) to make 1 cubic yard of concrete.)

### Concrete Calculator – Square Footage Area

Now that you used the concrete calculator to estimate how much concrete you need for your project, you should decide if you need a ready-mix concrete or a bagged solution. The truth is, larger jobs such as driveways are often easier to complete when ordering concrete by the yard instead of mixing it bag after bag manually.

### I need 56 yds. of mulch for my yard. How many 2 cu. ft

A cubic yard is a cube, 3 feet on each side (or 27 cubic feet). To answer your question. 56 x 27 = 1512 cubic feet. Divided by 2 cubic feet per bag is 756 bags. If you really need that much mulch, you would be much, MUCH better off buying in bulk and having it delivered. I might suspect that you need to cover an area of 56 square yards.

### Concrete Calculator - how much concrete do you need in yards

Concrete is a composite material used for all kinds of construction projects, especially where high compressive strength is required. It is composed of fine and coarse aggregate which are bonded via fluid cement paste that hardens over time - usually about a week to reach over 50% of its final strength and a couple of weeks to reach 95% of it. Completely settling in place might take several years, depending on climate and other conditions. Most concretes in construction are lime-based, such as P