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`"Bundles" = "Roof Area" / ((33.3 ft^2)/"bundle") `

Enter a value for all fields

The **Shingles for a Roof** calculator computes the number of shingle bundles (33.33 ft² each) is needed to cover the area of a roof (both sides of a gabled roof) based on the length and width of the area covered and the pitch.

**INSTRUCTIONS:** Choose units and enter the following:

- (
**RL**) Ridge Length - (
**S**) Roof Span - (
**P**) Pitch of Roof (choose one) - (
**oH**) Overhang - (
**BS**) Bundle Size (coverage area)

**Shingle Bundles (B):** The calculator returns the number of bundles of shingles needed to cover the roofs surface.

The Shingles for a Roof calculator:

- Computes the surface area of the roof.
- Adds area (+ 6") for the double layer of shingles on the first row of both sides of the roof.
- Divides the surface area by the coverage (Bundle Size) of one bundle of shingles.

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 roofing square (100 ft^{2}). The survey includes a date, the name of the store, 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 : Lowes
- Shingle Price Survey Date: 10/12/21
- Cost of Premium Shingles: $43.15 USD.
- Cost of High Grade Shingles: $42.95 USD.
- Cost of Medium Grade Shingles: $33.27 USD.
- Cost of Low Grade Shingles: $28.48 USD.
- Cost of Economy Grade Shingles: $27.48 USD.

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

- Total Building Materials Calculator
- Roofing Calculators
- Metal for a Roof - Calculates the number of metal panels for a roof.
- Area of a Roof - Computes the area of a roof based on the pitch and the dimensions of the area covered by the roof. It also returns the number of 4x8 sheets to cover the roof, the number of standard bundles of shingles to cover, and the number of roofing nails for both normal and high wind environments.
- Pitch of a Roof - Computes angle of incline in the roof in both degrees and rise over 12" run (e.g. 26.6
^{o}: 6/12) based on the length of the rise and run. - Number of Trusses Needed for a Roof - number of trusses needed based on the roof width and the truss spacing.
- 4x8s needed for a roof - Calculates the number of 4x8 sheets needed to cover a roof.
- Shingles needed for a roof - Calculates the number of standard bundles (33.3 ft
^{2}) of shingles for a roof. - Roofing nails needed for a roof - Calculates the number of roofing nails needed for a roof in normal and high wind conditions.
- Number and Length of Metal Roof Panels - Computes the length and number of metal panels and trim pieces for a metal roof.
- Screws for a Metal Roof - Computes the number of screws needed for a metal roof.
- Number and Length of Purlins for a Roof - Computes the number of purlins for a roof based on dimensions and spacing.
- Number and Length of Rafters - Computes the number and length of rafter boards based on roof dimensions and spacing.
- Number and Length of Rafter and Collar ties - Computes the number and length of rafter ties and collar ties based on roof dimensions and spacing.