How Much Shingle Do I Need? Quick Answer
The fastest way to find out how much shingle do I need is this 3-step formula:
Multiply roof length × width × pitch multiplier.
This gives you roofing squares.
This gives you bundles with ~10% waste built in.
Quick Reference — Shingle Bundles by Roof Size
| Roof Size (sq ft) | Bundles (4/12 pitch) | Bundles (6/12 pitch) | Bundles (8/12 pitch) |
|---|---|---|---|
| 800 | 28 | 30 | 32 |
| 1,000 | 35 | 37 | 40 |
| 1,200 | 42 | 45 | 48 |
| 1,500 | 52 | 56 | 60 |
| 1,800 | 63 | 67 | 72 |
| 2,000 | 70 | 74 | 80 |
| 2,500 | 87 | 93 | 100 |
| 3,000 | 105 | 111 | 119 |
These numbers include 10% waste. For complex roofs (hip, valleys, dormers), add an extra 5–10%. For exact calculations with your specific dimensions, use our free calculator.
How Much Shingle by House Type
- Small ranch (1,000 sq ft footprint): 35–40 bundles
- Average ranch (1,500 sq ft footprint): 52–60 bundles
- Large ranch (2,000 sq ft footprint): 70–80 bundles
- Two-story colonial: 40–55 bundles (smaller roof footprint)
- Detached garage (600 sq ft): 20–25 bundles
Frequently Asked Questions
How many bundles of shingles for a 1,500 sq ft roof?
For a 1,500 sq ft footprint with a standard 6/12 pitch: approximately 56 bundles (with 10% waste included). Use our calculator for your exact pitch.
Is it better to buy extra shingles?
Yes. Keep 1–2 extra bundles for future repairs. Shingle colors vary between manufacturing batches, so having leftovers from the same batch ensures perfect color matching for future patch jobs.
Get Your Exact Number
Enter your roof dimensions into our free roof shingle calculator for a precise bundle count with your specific pitch and waste factor.
Open Calculator →