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100

A **Roofing Square** is 100 square feet (100.0 ft^{2}). A square is a common measure of area used in roofing. A common bundle of shingles is one third of a square.

Use the Metal for a Roof calculator to compute the metal panels for a roof. The formula works for gabled roofs with one or two sides(see diagram). For two sided gabled roofs, this formula is only accurate if the both gables have the same pitch, which puts the ridge in the middle. If the sides have different dimensions, calculate each side separately.

The **Roofing Shingles Cost Survey** list the observed price of a bundle of shingles. A bundle is equal to roughly (33 1/3 ft^{2}) or one third of a square (100 ft^{2}). The survey includes a date, the name of the store, and the five price points for shingles: economy, low, median, high and premium.

One should use the pricing for roofing materials that can be bought locally. However, the following prices are for different quality grades of shingles in the United States:

- Shingle Price Survey Online Source : Home Depot
- Shingle Price Survey Date: 10/27/22
- Cost of Premium Shingles: $40.0 USD.
- Cost of High Grade Shingles: $40.0 USD.
- Cost of Medium Grade Shingles: $39.0 USD.
- Cost of Low Grade Shingles: $37.0 USD.
- Cost of Economy Grade Shingles: $37.0 USD.

All prices are for one bundle of shingles which cover 33.33 ft^{2}.

- Metal for a Roof - Calculates the number of metal panels for a roof.
- Area of a Roof
- Pitch of a Roof
- Number of Trusses Needed for a Roof
- 4x8s needed for a roof
- Shingles needed for a roof
- Number and Length of Metal Roof Panels
- Screws for a Metal Roof
- Number and Length of Purlins
- Number and Length of Rafters
- Number and Length of Rafter and Collar ties