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Gravel for 300 sq ft
Gravel for 300 ft² at 4 in deep · 200 × 0.5 ft³ (≈50 lb) bag
Gravel for 300 ft² by depth
| Depth | yd³ | ft³ | Bags | Tons | Bulk / bagged cost |
|---|---|---|---|---|---|
| 2 in | 1.85 | 50.0 | 100 | 2.59 | $93 / $550 |
| 3 in | 2.78 | 75.0 | 150 | 3.89 | $139 / $825 |
| 4 in | 3.70 | 100.0 | 200 | 5.19 | $185 / $1,100 |
| 6 in | 5.56 | 150.0 | 300 | 7.78 | $278 / $1,650 |
Driveways usually need 4–6 in of compacted base plus a top layer; paths and patios 2–4 in. Gravel weighs about 1.4 tons per cubic yard.
How it is calculated
Volume = area × depth: 300 ft² × (4 ÷ 12) ft = 100.0 ft³; ÷ 27 = 3.70 yd³. 300 ft² is, for example, a 17.3 × 17.3 ft square or a 30 × 10 ft strip.
FAQ
How much gravel do I need for 300 square feet?
At 4 in deep, 300 ft² needs 3.70 cubic yards (100.0 ft³) – about 200 × 0.5 ft³ (≈50 lb) bag. That weighs roughly 5.2 tons.
Is it cheaper to buy gravel in bulk or bags for 300 sq ft?
At typical prices ($50/yd³ bulk vs $5.50 per bag) bulk costs about $185 versus $1,100 in bags, before delivery. Bulk delivery usually wins above about 1 cubic yard.
Other areas: 150 ft² · 200 ft² · 250 ft² · 400 ft² · 500 ft² · 600 ft² · all areas · gravel calculator
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