Asphalt Calculator Square Yards
Calculate asphalt needs in square yards - common for highway and DOT projects.
yd²
Square Yards Calculator
For highway and DOT specifications
Results
Area
0 sq yd
0 sq ft
Asphalt Required
0 tons
Tons per Square Yard
0 tons/sq yd
Volume
0 cu yd
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DOT Reference
Lane-Mile Tonnage Reference
| Configuration | Sq Yd/Mile | Tons @ 2" |
|---|---|---|
| 1 Lane (12' wide) | 7,040 sq yd | ~850 tons |
| 2 Lanes (24' wide) | 14,080 sq yd | ~1,700 tons |
| 4 Lanes (48' wide) | 28,160 sq yd | ~3,400 tons |
Conversions
- • 1 sq yd = 9 sq ft
- • 1 cu yd = 27 cu ft
- • 1 mile = 1,760 yards = 5,280 feet
- • Standard lane width = 12 feet = 4 yards
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How Asphalt Calculator Square Yards Works
Visual calculation flow
L × W (yd) sq yd
→ × 9 sq ft
→ × Thickness cu ft / cu yd
→ Result tons
Tons = sq yd × 9 × (inches ÷ 12) × 145 ÷ 2000 Step 1: Enter dimensions in yards or use DOT presets (lane-mile calculations). Area = L × W (sq yd).
Step 2: Convert to sq ft (×9) for volume calculation. 1 sq yd = 9 sq ft.
Step 3: Calculate volume in cu ft and cu yd (÷27). Multiply by density.
Step 4: Get tonnage and tons-per-sq-yd rate for DOT bidding purposes.
Asphalt Calculator Square Yards FAQs
Why do DOT contracts use square yards instead of square feet?
State DOT specifications traditionally use square yards because it's the standard unit for highway construction in the US. A lane-mile is measured as 5,867 square yards (12 feet × 5,280 feet ÷ 9), making it easier to calculate paving project bids and track progress on large-scale road work.
How many tons of asphalt per square yard at 2 inches thick?
At 2" thick with standard 145 lb/ft³ density: 1 sq yd = 9 sq ft × (2/12) × 145 ÷ 2000 = 0.109 tons (217.5 lbs). For quick estimates: 1" thick ≈ 0.054 tons/sq yd, 3" ≈ 0.163 tons/sq yd, 4" ≈ 0.218 tons/sq yd.
How do I convert square feet to square yards?
Divide square feet by 9 to get square yards (1 yard = 3 feet, so 1 sq yd = 3×3 = 9 sq ft). Example: A 30' × 40' driveway = 1,200 sq ft ÷ 9 = 133.3 square yards. This calculator handles the conversion automatically.
What is a lane-mile in asphalt terms?
A lane-mile is a 12-foot wide lane extending 1 mile (5,280 feet), totaling 63,360 sq ft or 7,040 sq yd. At 2" thick, one lane-mile requires approximately 767 tons of asphalt. DOT projects often quote prices and production rates in lane-miles for consistency.
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