Roof Tile Calculator
Roof Tile Calculator
Need to know how many roof tiles you’ll need? Use this calculator to estimate tile quantity based on roof area, tile size, and overlap. Ideal for UK & USA roofers and renovators.
Technical Guidance
- UK: Most tiles cover 10–15 per m², based on type and headlap
- USA: Use ft² – average 90–100 tiles per 100 ft² depending on tile
- Add 5–10% waste for cuts, ridge, and edge tiles
Common Tile Coverage
| Tile Type | Coverage | Notes |
|---|---|---|
| Plain Tile | 60 per m² | Small format |
| Interlocking Tile | 10–12 per m² | Modern roofing |
| Spanish Tile | 80–100 per 100 ft² | USA standard |
Pro Tips
- Measure both roof slopes on dual-pitch roofs
- Consider full tile packs when ordering
- Use underlay and battens appropriate for tile weight
Common Mistakes
- Not including waste or ridge tiles
- Ordering based only on footprint, not actual slope
FAQs
- How many tiles for 60m² roof? → Interlocking = ~720 tiles; Plain tiles = ~3600
- Do I need to include ridge tiles? → Yes, calculate separately or add extra rows
