# How Many 2×4 Do I Need Calculator | Lumber, Studs, and Costs If you buy something through our posts, we may get a small commission. Read more here.

You will end up with a lousy project if you do not plan and figure out how much lumber you need. To get precise measurements, this calculator will determine how much 2×4 lumber you will need. To know more about how to use it, here are a few points:

## How Do You Determine the Amount of 2x4 Lumber You Need?

You can figure out the amount of 2×4 lumber you need by multiplying the total wall length (in feet) by 0.75 (16” on-center stud spacing).

### 2x4 Calculator Formula

Here is the formula behind the 2×4 lumber calculator that determines how many studs you need:

2×4 you need = wall length in feet x 0.75 (16 inch OC) +1 To consider both ends of the wall, we need to add one or more, depending on the corner and openings.

### 2x4 Calculator Costs Formula

To calculate the lumber price  per linear foot, multiply the number of linear feet by the price per foot. Here is the equation behind the calculator:

Cost of lumber  = total linear feet (length in feet) * price per foot

A stud typically 92 ⅝” in length costs \$5.17 approximately.

### FAQ

#### How many 2x4 are in a 24-foot wall?

In a 24-foot wall, there are 20 2×4 studs. You will determine the amount of 2×4 you need by converting the wall length into inches, dividing it by the stud spacing, and adding one more.

For example: 24’10” wall

Convert: 24*12 = 288+10 = 298

Divide: 298/16 = 18.625 rounded to 19 + 1 = 20

#### How many 2x4 fit in a 24x24 garage?

A 24×24 garage can fit 103 pieces of 2×4 studs. Here is a list of 2×4 lumber needed for a 24x24x8 garage: