# How do you calculate the square footage of a flat roof?

Contents

## How do I calculate the square footage of my roof?

How to Calculate Total Square Footage of Your Roof

1. Measure the length and width of each plane on the roof (including dormers) then multiply length times width.
2. Add the square footage of each of the planes together.

## How do you calculate the area of a flat 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.)

## How do you measure a roof on Google Earth?

2. Search for a place, or select a location on the globe.
3. On the left, click Measure. . …
4. Click the map to set measurement points.
5. To remove a point, on the right, click Undo .
6. To complete your line measurement, double-click on your last point, or click Done .

## 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).

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

## 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 square footage of a roof?

The average residential roof size in the US is about 1,700 square feet or 17 squares, although there are many larger homes with roofs that can be well over 2,000 sq. ft. or 20 squares. In fact, larger residential properties with garages can easily exceed 3,000 sq. ft. or 30 squares in size.

## How much of my roof is flat?

From an insurance point of view, most companies consider a roof to be flat if it – or more than 25% of it – slopes less than 10 degrees. That’s why you’ll often be asked how much of your roof is flat when applying for a flat roof insurance policy.

## 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 do I calculate m2?

Multiply the length and width together. Once both measurements are converted into metres, multiply them together to get the measurement of the area in square metres.

## How many square feet do I need calculator?

If you are measuring a square or rectangle area, multiply length times width; Length x Width = Area. For other area shapes, see formulas below to calculate Area (ft2) = Square Footage.

## How do you estimate roofing costs?

Measure the square metre area of the roof you want replaced. The range of prices to replace your roof is: \$50 to \$95 per square metre. So multiple this rate against the square metre of the roof you want replaced.

## How do I estimate the cost of a new roof?

The average roof replacement cost is \$4,200-6,600 on a 1,600 sq. ft. ranch house using asphalt roof shingles. However, if you use premium materials such as metal, wood shingles, clay tile, etc, the cost of your roof will be at least \$9,500 – 16,000.

## How many squares are in a 1000 sq ft?

Please share if you found this tool useful:

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
IT IS INTERESTING:  Should a new roof lay flat?

## How many bundles of shingles does it take to cover 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. A professional will likely purchase slightly more materials than necessary to ensure there is extra material if needed.

## How much is 35 squares of shingles?

The average cost to install shingles is \$5,250-\$15,250, with the average homeowner paying \$6,960 to install architectural asphalt shingles on a 1,500-square-foot roof.

Roof Shingles Cost per Square.

Number of Squares Cost (Including labor)
35 squares \$7,000 – \$17,500 