How Many Bundles of Shingles for 2,400 sq ft?
2,400 sq ft of roof surface is 24 roofing squares. With 10% waste and standard 3-bundle-per-square shingles you need 80 bundles. If 2,400 sq ft is the house footprint rather than the roof, multiply by the pitch factor first: at a 6/12 pitch that becomes 89 bundles.
Bundles for 2,400 sq ft of roof by waste factor
| Waste | Squares | 3 bundles / square | 4 bundles / square |
|---|---|---|---|
| 5% (simple gable) | 25.2 | 76 | 101 |
| 10% (typical) | 26.4 | 80 | 106 |
| 15% (hips & valleys) | 27.6 | 83 | 111 |
| 20% (complex, cut-up) | 28.8 | 87 | 116 |
If 2,400 sq ft is the house footprint
Shingles cover the sloped roof, not the floor plan. Multiply the footprint (including overhangs) by the pitch factor to get roof surface:
| Pitch | Roof surface | Squares (+10%) | Bundles |
|---|---|---|---|
| 3/12 | 2,474 sq ft | 27.2 | 82 |
| 4/12 | 2,530 sq ft | 27.8 | 84 |
| 5/12 | 2,600 sq ft | 28.6 | 86 |
| 6/12 | 2,683 sq ft | 29.5 | 89 |
| 7/12 | 2,778 sq ft | 30.6 | 92 |
| 8/12 | 2,884 sq ft | 31.7 | 96 |
| 9/12 | 3,000 sq ft | 33 | 99 |
| 10/12 | 3,124 sq ft | 34.4 | 104 |
| 12/12 | 3,394 sq ft | 37.3 | 113 |
3 bundles per square, 10% waste. Don't know your pitch? Measure it with the Pitch Gauge.
Shingle cost for 2,400 sq ft
| Shingle type | Material per square | Total for 2,400 sq ft (+10%) |
|---|---|---|
| 3-tab shingles | $80–$120 | $2,112–$3,168 |
| Architectural shingles | $100–$160 | $2,640–$4,224 |
| Premium shingles | $160–$250 | $4,224–$6,600 |
Shingles only. Underlayment, flashing, ridge cap, disposal and labour are extra.
Nails and underlayment
| Underlayment | Typical roll coverage | Rolls (+10% laps) |
|---|---|---|
| Synthetic underlayment | 1,000 sq ft | 3 |
| #15 felt | 400 sq ft | 7 |
| #30 felt | 200 sq ft | 14 |
Nails: about 8,448 with a standard 4-nail pattern, or 12,673 with a 6-nail high-wind pattern. Check roll labels: coverage varies by brand.
Frequently asked questions
How many bundles of shingles do I need for 2,400 sq ft?
For 2,400 sq ft of roof surface you need 80 bundles of standard shingles (3 bundles per square) including 10% waste, or 83 bundles with 15% waste for a roof with hips and valleys. Heavier shingles packed 4 bundles per square need 106 bundles.
How many squares is 2,400 sq ft?
A roofing square is 100 sq ft, so 2,400 sq ft is 24 squares, or 26.4 squares once you add 10% for waste.
Is 2,400 sq ft the house size or the roof size?
Shingles are ordered by roof surface, which is larger than the house footprint because of the slope and overhangs. If 2,400 sq ft is your footprint, multiply it by your pitch factor: at 6/12 the roof is 2,683 sq ft and needs 89 bundles.
How much do shingles for 2,400 sq ft cost?
At typical material prices, shingles for 2,400 sq ft of roof (with 10% waste) cost about $2,112–$3,168 for 3-tab shingles, $2,640–$4,224 for architectural shingles, $4,224–$6,600 for premium shingles. That is materials only; installation usually costs more than the shingles.