# How do I calculate the size of my roof?

Table of Contents

## How do I calculate the size of my 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 many bundles of shingles do I need for 1500 square feet?

The average bundle of shingles covers 33.3 ft2, so three bundles of shingles are needed per square. Asphalt shingles range in price from about $25 per bundle for a standard 3-tab style to around $50-$75 or more for an upgraded architectural style.

## How many bundles of shingles does it take to cover 1200 square feet?

Answered by Davidhughes: Most of the dimensional shingles are 3 bundles per square but is the poster is talking about a Triple laminate or other architectural shingles, they can run anywhere from 4 to 6 bundles a square.

## How do you calculate shingles?

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 does it take to cover 1800 square feet?

A roofing square is equal to 100 feet on your roof. If your roof measures at 1800 square feet, you would need 18 squares of shingles to cover your roof.

## What is the going rate for installing shingles?

That said, on average, most contractors will charge between $3.50 and $6.00 per square foot or $350 to $600 per square (100 sq. ft.) to install or replace an asphalt shingle roof on a typical house.

## How to take roof measurements for shingles?

How to Measure a Roof for Shingles Draw a Diagram of Your Roof. The first step in measuring your roof is to get a basic idea of the area you will be measuring. Go Up to Your Roof and Physically Measure It. Use Your Measurements to Calculate Square Footage. Hire a Roofing Professional to Measure a Roof for Shingles.

## How do you figure shingles for roof?

Every bundle of shingles equals 35 linear feet of ridge caps. Ridge caps are the shingles that go along the supporting roof ridge beam. To determine the amount of linear feet in your roof, measure all of the roof ridges on your roof and add them together. This will give you the entire roof ridge measurement.

## How do you calculate roof area?

To calculate the roof area of one side, simply multiply the length of your roof by the roof slope height. If you have these dimensions, the pitch of the roof won’t matter. Most owners will have access to this information from building plans obtained upon purchase of the property.

## How much does square of roof shingles cost?

Across the US, the average price for roof shingles is $3.20 – 3.40 per square foot , including materials and installation. This is equivalent to $320 – 340 per roof square (1 roof square = 100 sq.ft.) You can use Roof Shingles Calculator to get a more accurate estimate for your home.