How to Calculate Total Square Footage of Your Roof. To find your roof’s total square footage: Measure the length and width of each plane on the roof (including dormers) then multiply length times width. Add the square footage of each of the planes together.

## How do you estimate roofing?

To estimate how many shingles you’ll need, first estimate the total square footage of your roof’s surface. To do this, measure the length and width of each plane on the roof, including dormers. Then, multiply length x width to get the square footage of each plane.

## How many bundles of shingles do I need for a 12×12 roof?

As a rule of thumb, there are 3 bundles to a square, assuming that you are using three-tab strip shingles. There are also 29 standard-sized shingles (measuring 12 inches by 36 inches) in each one of these. With that as background, you are now ready to estimate how many shingles you will purchase for your roof project.

## How big is a 20 square roof?

Roofing Square Conversion Calculator

If your roof is 2,000 sq. feet, then you will have 20 squares. (2,000 / 100 = 20).

## Is the square footage of a house the same as the roof?

Roofing Quote Footage is Not the Same as Home Square Footage

Depending on where the information is coming from is going to determine the basis on which the estimated roof footage is calculated. The roof square footage is what we (roofing contractor) need to calculate a budget quote to do the job.

## What is the average price to tear off and replace a roof?

On average, it costs from $1.20-$4 per square foot to tear off and replace a roof with asphalt shingles. For a 1,700-2,100 square foot ranch-style property, that costs about $1,700-$8,400. However, roof replacement costs increase when you use higher-end roofing materials.

## How much should a new roof cost 2019?

Nationally, the average homeowner spends about $8,353 to install a new roof, and most spend within a range of $5,568 and $11,431. Typical roof replacement costs fall between $3.50 and $5 per square foot depending on the materials used and location. The cost breaks down to about 40% for materials and 60% in labor.

## How many squares are in a 1200 square foot roof?

To determine the number of squares on the gable roof above, divide its total of 24,000 square feet by 100 (24,000 ÷ 100 = 240).

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How many shingles do I need for 1000 square feet?

House by Square Foot | Roof by Square Foot | Re-Roofing Cost* |
---|---|---|

1,000 | 1,054 | $4,000 – $5,500 |

1,100 | 1,160 | $4,200 – $6,000 |

1,200 | 1,265 | $4,500 – $6,500 |

1,500 | 1,581 | $5,500 – $8,000 |

## How many bundles of shingles do I need for 100 square feet?

Asphalt shingles are typically packaged with this in mind, but if a package of shingles covered an entire 100 square foot square, it would be too heavy to handle. So, most popular shingles are sold such that three bundles are needed to cover one square of roof area.

## How many bundles of shingles do I need for 2000 square feet?

The number of bundles or squares you need will depend on the surface area of your roof, and its pitch or slope. For example, a 2,000 square foot roof will require 20 squares or 60 bundles.

## How large is my roof?

Multiply your house length by your house width to get the area. (For example, 40 feet x 30 feet = 1,200 square feet.) Next, multiply the area by your roof’s pitch. (1,200 x 1.05 = 1,260 square feet.)

## What degree is a 4/12 pitch?

Roofs with a pitch of 4/12 are approximately 18.4 degrees, depending on how exact you’d like to be in your measurement. Check out our roof angle chart for more examples of the exact angles (expressed in degrees) of common roof pitches.

## How many bundles of shingles do I need for 1200 square feet?

How many bundles of shingles do I need for 1200 square feet? The average bundle of shingles covers 33.3 ft2, so three bundles of shingles are needed per square.

## How many squares is a 1000 sq ft roof?

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Conversions Table | |
---|---|

10 Square Feet to Roofing Squares = 0.1 | 800 Square Feet to Roofing Squares = 8 |

20 Square Feet to Roofing Squares = 0.2 | 900 Square Feet to Roofing Squares = 9 |

30 Square Feet to Roofing Squares = 0.3 | 1,000 Square Feet to Roofing Squares = 10 |

## What is the most common roof pitch?

The most commonly used roof pitches fall in a range between 4/12 and 9/12. Pitches lower than 4/12 have a slight angle, and they are defined as low-slope roofs. Pitches of less than 2/12 are considered flat roofs, even though they may be very slightly angled.

## How many square feet is a roof on a 2000 square foot house?

If your house area is 2000 square feet, the number of roofing square for the roof will be 20.