# Concrete Cylinder Calculator

This **concrete cylinder calculator** will help you determine how much concrete you will need to fill your cylindrical forms when constructing concrete cylinder columns. This tool also works as a **concrete cylinder weight calculator** to help you when purchasing concrete, as suppliers may ask for weight instead of volume. Keep on reading to find out:

**How to use this concrete cylinder calculator**; and**How to calculate the concrete volume of cylinder columns**.

## How to use this volume of a concrete cylinder calculator

Let's say we need to make `10 concrete cylinder specimens`

for compressive strength testing of a new cement brand, and we decide to use concrete cylinders measuring `4 inches in diameter`

and `8 inches in height`

. We want to know if the new cement brand can reach a `compressive strength of 2,900 psi`

using a `1:1.5:3 cement mix ratio`

. Here are the steps to find out how much concrete we would need for this test using our calculator:

- Input
`4 inches`

for the**diameter**and`8 inches`

for the**height**. - Enter
`10`

for the**quantity**of concrete cylinders needed. Our calculator will already display a concrete volume of`1,005.3 cubic inches`

by this time. - Under the
**Concrete materials needed**section of our tool, choose`I'll mix my own concrete`

for the**Concrete mix**since we are trying out a new cement mix and would like to mix our own concrete. - Select
`1:1.5:3 (20.0 MPa or 2900 psi)`

for the**Concrete mix ratio**for this particular test. - Lastly, enter a
**waste**percentage to account for any wastage or concrete spillage during the pouring process. Let's say`5%`

.

After doing these steps, you will see in our concrete cylinder calculator that we need a ** total volume of 10,55.6 in³ concrete**, where we'll need

**,**

`191.92 in³ of cement`

**, and**

`287.9 in³ of sand`

**for our selected concrete mix.**

`575.8 in³ of gravel`

If you know how much each material costs, you can go to our calculator's **Advance mode** to input these values to estimate how much your materials would cost.

On the other hand, what if we want to calculate a concrete cylinder's weight and volume manually? We'll talk about that in the next section of this text.

## Volume of a cylinder column and concrete cylinder weight calculation

Let's say our plan specifies the construction of `4 concrete cylinder columns`

measuring `20 inches in diameter`

and `9 feet (or 108 inches) in height`

. We first have to determine the volume of one concrete cylinder using the cylinder volume formula, as shown below:

where:

- $V$ -
**Volume of concrete**we need for a single column; - $d$ -
**Diameter**of the column we need to construct; and - $h$ -
**Height**of each column.

We multiply our calculated volume by the number of columns we need to find our required total concrete volume. Now is also the best time to consider a wastage percentage, perhaps 5% again.

where:

- $V_\text{total}$ -
**Total concrete volume**needed; and - $n$ -
**Number or quantity**of columns we need to construct.

For the concrete cylinder weight calculation, we need to multiply our calculated volume by the density of concrete we wish to use, say `4,050 lb/yd³`

, to get:

$3.0543\ \text{yds}^3\times 4,050\ \text{lb/yd}^3= 11,780.97\ \text{lbs}$.

💡 When constructing concrete cylinders, one neat way of doing them is using **readily available tube forms** like **Sonotubes**. You can check our sonotube concrete calculator to learn more about it.

## Want to learn more?

If you find this tool interesting and would love to learn more about concrete, here is a list of our other concrete calculators you can check:

## FAQ

### What are concrete cylinders used for?

Concrete cylinders have a lot of uses. We can use them as **columns**, **posts**, and even as **balusters**. Other than these uses, we also use concrete cylinders **for concrete compressive strength tests**. We can also make tiny ones (e.g., 3" in diameter and 3" in height) as **concrete spacers** to elevate footing reinforcing bars before pouring concrete.

### How do I know the volume of a concrete cylinder?

To know how much concrete you need to fill a cylinder mold:

**Measure**the inner diameter and height of your mold.**Take the volume**of the mold using this equation:`volume = π × diameter² × height / 4`

.**Multiply the volume by the concrete's density**, typically 150 lb/ft³ (2,400 kg/m³), to find the weight of your required concrete volume.- You may want to
**add at least 5%**of your concrete to cover any wasted concrete during the pouring process.

### What is the base area of a concrete cylinder?

**The base area of a concrete cylinder is equal to its volume divided by its height.** Say a concrete cylinder has a volume of 340 cubic inches and a height of 12 inches. Its area will then be `340 in³ / 12 in =`

** 28.33 in²**. Consequently, its diameter would be equal to

`√(4 × area / π) = √(4 × 28.33 / π) = 6.005 in`

**. And its total surface area would be**

`≈ 6 inches`

`(π × diameter × height) + (2 × area) = (π × 6 × 12) + (2 × 28.33) =`

**.**

`282.85 in²`