Tile Roof Calculator

Calculate tile count, pallets, weight load, batten spacing, and installed cost for clay, concrete, and synthetic tile roofs

Fast tile count and pallet estimate from roof area

Quick presets

sq ft

Estimated Materials

77 bundles

23.2 squares • 2,319 sq ft

PRO

Professional Calculator

Extended parameters for precise calculations

sq ft

Estimated Materials

60 bundles

Roof Area

1,792 sq ft

Squares

17.9

Detailed Breakdown

Roof Area1,792 sq ft
With Waste1,971 sq ft
Roofing Squares17.9
Bundles60
How to Use This Calculator
Start on the Quick Estimate tab by entering your roof area, selecting a tile type (concrete flat, concrete S-tile, clay barrel, clay flat, or synthetic), and choosing your pitch and waste factor. The calculator instantly estimates the total number of tiles needed, the number of pallets to order, and the approximate weight your roof structure must support.

For a detailed material list, switch to the Detailed Estimate tab. Here you can specify batten spacing (which determines exposure and affects tile count), choose your underlayment system, enter hip and ridge length for trim tile quantities, and run a structural weight check. The calculator flags whether your dead load exceeds typical asphalt-framed capacity and recommends a structural engineer evaluation if needed.

The Cost Estimate tab produces a full installed price including tile materials, battens, underlayment, flashing, hip/ridge trim, specialized tile-setting labor, and optional structural reinforcement. Select whether tear-off is needed (removing existing asphalt or old tile) and your state for regional pricing. Tile installation labor is significantly higher than asphalt because it requires specialized crews — budget $125-200 per square for labor alone on clay or concrete.

The Formula
Tiles Needed = (Roof Area / Coverage per Tile) x (1 + Waste%) Concrete flat: ~90 tiles/square, S-tile: ~85, Clay barrel: ~85, Clay flat: ~100, Synthetic: ~95 Pallets = Total Tiles / Tiles per Pallet (typically 200-300 tiles/pallet) Dead Load = Roof Area x Tile Weight per sq ft Concrete: 9.5 lbs/sq ft, Clay: 8 lbs/sq ft, Synthetic: 3 lbs/sq ft Batten Linear Feet = (Roof Area / Batten Spacing in ft) x 1.10 (waste) Hip/Ridge Tiles = Hip & Ridge Length / 12 inches x 1.10 Underlayment = Roof Area / Roll Coverage (typically 400-1,000 sq ft/roll) Material Cost = Tiles + Battens + Underlayment + Fasteners + Hip/Ridge Trim Total Installed = Material Cost + Labor + Tear-Off + Structural Reinforcement
Example Calculation
For a 2,200 sq ft home in Florida with concrete S-tile:
• Tiles needed: (2,200 / 1.18 coverage) x 85 tiles/sq x 1.12 waste = 1,990 tiles
• Pallets: 1,990 / 250 = 8 pallets (order 9 for breakage buffer)
• Dead load: 2,200 x 9.5 = 20,900 lbs on the structure
• Battens: (2,200 / 1.17 ft spacing) x 1.10 = 2,070 linear ft of 1x2 battens
• Hip/ridge tiles: 80 ft / 1 ft x 1.10 = 88 hip/ridge pieces
• Tile material: 1,990 x $3.25 = $6,468
• Underlayment (2-ply synthetic): $1,200
• Battens + fasteners: $850
• Labor: 22 squares x $150/sq = $3,300
• Tear-off (old tile): 2,200 x $3.50 = $7,700
• Total estimate: $19,518 (range: $17,600-$25,000)

Frequently Asked Questions

What are the differences between clay, concrete, and synthetic roof tiles?
Clay tiles are kiln-fired natural clay — they are the most durable (75-100+ year lifespan), fade-resistant, and expensive ($12-22/sq ft installed). Concrete tiles are molded from Portland cement and sand — they cost less ($8-14/sq ft installed), weigh slightly more, last 50-75 years, and can mimic clay or slate profiles. Synthetic tiles are made from recycled polymers or rubber — they are the lightest option (2-4 lbs/sq ft vs 9-12 for clay/concrete), cost $9-15/sq ft, and last 30-50 years. Synthetic tiles are the only option for homes that cannot support the weight of real tile.
Can my roof support the weight of tile?
Most homes originally built with asphalt shingles cannot support tile without structural reinforcement. Concrete tile weighs 9-12 lbs/sq ft, clay tile 7-10 lbs/sq ft, compared to only 2-4 lbs/sq ft for asphalt. For a 2,200 sq ft roof, that means an additional 11,000-22,000 lbs on the structure. A licensed structural engineer ($300-500 for evaluation) must verify that your trusses, rafters, walls, and foundation can handle the load. Reinforcement typically costs $2,000-8,000 if needed.
Are hurricane clips required for tile roofs?
Yes, in Florida and most coastal hurricane-prone areas. Florida Building Code requires mechanical attachment of every tile using approved fasteners, clips, or adhesive foam systems rated for the local wind speed (up to 180 mph in South Florida). Hurricane clips (also called tile clips or storm clips) cost $0.15-0.30 each and add $300-700 to a typical roof. In non-hurricane zones, tiles may be installed with nails, screws, or mortar-set methods depending on local wind requirements.
How long does a tile roof last?
Clay tile roofs routinely last 75-100+ years — many clay tile roofs in Europe are 200+ years old. Concrete tile lasts 50-75 years. Synthetic tile is newer to the market but manufacturers warranty 30-50 years. The tiles themselves are nearly indestructible, but the underlayment beneath them typically lasts 25-40 years and must be replaced, which requires lifting and resetting all tiles. This mid-life underlayment replacement costs $3,000-8,000 for a typical home.
How do I maintain a tile roof?
Tile roofs are low-maintenance but not no-maintenance. Inspect annually for cracked or displaced tiles and replace them promptly ($10-50 per tile plus labor). Keep valleys and gutters clear of debris. Avoid walking on tile roofs whenever possible — tiles crack under foot traffic (walk on the bottom third of each tile where it is supported). Power-washing is safe for concrete tile but can damage clay tile glazing — use low-pressure wash for clay. Expect to replace the underlayment at year 25-40 ($3-6/sq ft), which is the biggest ongoing expense.

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