Calculate the number of shingles you need for a square roof with our easy-to-use shingle square calculator.

## Shingle Square Calculator

This calculator helps you determine the number of squares of shingles required for your roofing project. You need to input the length and width of the roof in feet, select the pitch of the roof, and specify a waste percentage to account for cutting and errors.

### How to Use:

- Enter the length of the roof in feet.
- Enter the width of the roof in feet.
- Select the pitch of the roof from the dropdown menu.
- Enter a waste percentage to account for potential waste or cutting errors.
- Click “Calculate” to get the result.

### How It Calculates:

The calculator first computes the area of the roof using the formula: `area = length x width x pitch factor`

. It then accounts for the waste percentage, calculating: `total area = area x (1 + waste percentage)`

. Finally, it divides the total area by 100 to determine the number of squares of shingles needed.

### Limitations:

This calculator provides an estimate based on the inputs. Other factors such as the roof’s shape, additional structures, or local building codes might affect the actual number of shingles required. Always consult with a professional for precise measurements.

## Use Cases for This Calculator

### Calculate shingle square for a rectangular roof

To find out the total number of shingles needed for a rectangular roof, simply enter the length and width of the roof in feet. The calculator will instantly compute the shingle square required based on the dimensions provided.

### Determine shingle square for a gable roof

If you have a gable roof, enter the width and height of one side to get an accurate estimate of the shingle square needed. The calculator considers the slope of the roof to provide you with the correct calculation for both sides of the gable roof.

### Estimate shingle square for a hip roof

For a hip roof, input the length of each ridge and the length of each slope to calculate the total shingle square required. The calculator will take into account the multiple surfaces of a hip roof for precise measurements.

### Calculate shingle square for a gambrel roof

If you have a gambrel roof, input the dimensions for both the upper and lower sections to determine the shingle square needed. The calculator will account for the unique shape of a gambrel roof to provide an accurate estimate.

### Determine shingle square for an irregular roof shape

In case you have an irregular roof, such as a combination of different roof types, you can input the measurements for each section separately. The calculator will sum up the shingle square for each section to give you the total amount required for the entire roof.

### Calculate the total number of bundles needed

After determining the shingle square required, the calculator will also provide you with the total number of bundles of shingles needed for your roof. This way, you can accurately estimate the quantity of shingles to purchase for your roofing project.

### Estimate the cost of shingles

By inputting the price per bundle of shingles, the calculator can help you estimate the total cost of shingles needed for your roof. It multiplies the number of bundles required by the price per bundle to give you an approximate cost for your roofing material.

### Adjust calculations for roof waste

If you want to account for waste or extra shingles needed for cuts and overlaps, you can adjust the percentage of waste in the calculator. This feature allows you to customize the calculations based on your specific project requirements.

### Switch between imperial and metric units

The calculator provides the flexibility to switch between imperial (feet) and metric (meters) units for inputting roof dimensions. You can easily toggle between the two measurement systems to work with the unit you are most comfortable using.

### Get accurate results instantly

With the shingle square calculator, you can avoid manual calculations and receive accurate results instantly. Whether you have a simple or complex roof design, the calculator simplifies the estimation process for determining the right amount of shingles needed for your roofing project.