How much asphalt do I need?

Calculate: length x width x thickness (all in feet) x density / 2,000 = tons. For a 1,000 sq ft driveway at 3 inches thick: 1,000 x (3/12) x 145 / 2,000 = 18.1 tons. Add 10% waste for a total of approximately 20 tons.

How many tons of asphalt per square foot?

At the standard density of 145 lb/ft³: 1 inch of asphalt depth covers 1 square foot at 0.00604 tons. So 3 inches deep = 0.0181 tons per square foot, and 4 inches deep = 0.0242 tons per square foot.

What is the density of asphalt in tons per cubic yard?

Standard hot mix asphalt (HMA) weighs approximately 145 lb per cubic foot, which equals approximately 1.96 tons per cubic yard (145 x 27 / 2,000 = 1.9575). Some mixes vary between 140-160 lb/ft³.

How much does asphalt cost per ton?

Hot mix asphalt typically costs $80-$200 per ton for materials. Installed driveway asphalt runs $3-$5 per square foot including base preparation, materials, and labor. A 1,000 sq ft driveway costs approximately $3,000-$5,000 installed.

What waste percentage should I use for asphalt?

Use 10% waste for most paving projects. Use 12-15% for projects with many curves or irregular shapes. Simple straight rectangular driveways can use 5-8%.

Asphalt Calculator – Tons, Tonnage & Cubic Yards Estimator

Unit system

Waste / overage

Extra for edges, spillage, and compaction variation.

Density (lb/ft³)

Hot mix HMA: 140–160 lb/ft³. Confirm with supplier.

Length (ft)

Width (ft)

Depth (in)

Depth presets:

Asphalt Calculator – Tonnage, Cubic Yards & Cost Guide

This calculator estimates hot mix asphalt (HMA) quantity in tons, tonnes, cubic feet, and cubic yards for driveways, parking areas, paths, and paving projects. Enter your dimensions and thickness, add a waste factor, and get your material order quantities instantly.

Asphalt Tonnage Per 1,000 sq ft — Reference Table

Thickness	ft³ per 1,000 ft²	yd³ per 1,000 ft²	Tons @ 145 lb/ft³	With 10% waste
2 in	166.7	6.17	12.1 tons	13.3 tons
3 in	250.0	9.26	18.1 tons	19.9 tons
4 in	333.3	12.35	24.2 tons	26.6 tons
6 in	500.0	18.52	36.3 tons	39.9 tons

Values based on 145 lb/ft³ density. Actual tonnage varies with mix type — confirm with your supplier.

Recommended Asphalt Thickness by Use

Application	Asphalt depth	Base layer	Notes
Residential driveway	2–3 in (50–75 mm)	4–6 in compacted aggregate	Passenger vehicles only
Light commercial / parking	3–4 in (75–100 mm)	6–8 in compacted base	SUVs, light vans
High-traffic lanes	4–6 in (100–150 mm)	8–12 in compacted base	Delivery trucks, busy lots
Heavy duty / loading zones	6+ in (150+ mm)	12+ in engineered base	Semi-trucks, forklifts
Overlay / resurfacing	1.5–2 in (40–50 mm)	Existing pavement (milled)	Requires milling existing surface

Quick Tonnage Rule of Thumb

Each inch of asphalt depth covers 1 square foot at approximately 0.00604 tons (at 145 lb/ft³). So: tons = area (sq ft) × depth (in) × 0.00604. Add your waste percentage on top.

Formulas Used

Volume (ft³) = length × width × (depth ÷ 12)
Volume (yd³) = ft³ ÷ 27
Tons = (ft³ × density lb/ft³) ÷ 2,000
Tonnes = tons × 0.90718
With waste = base quantity × (1 + waste%/100)

Frequently Asked Questions

Calculate: length × width × thickness (in feet) × density ÷ 2,000. For a 1,000 sq ft driveway at 3 inches: 1,000 × 0.25 × 145 / 2,000 = 18.1 tons. Add 10% waste = 19.9 tons total. The calculator above does this automatically.

At 145 lb/ft³: each inch of depth = 0.00604 tons per square foot. Quick reference: 2" = 0.0121 tons/sq ft; 3" = 0.0181 tons/sq ft; 4" = 0.0242 tons/sq ft. Multiply your square footage by the figure for your depth to get a fast estimate.

For a residential driveway with passenger vehicles: 2–3 inches of compacted asphalt over a 4–6 inch compacted aggregate base. For heavier vehicles (trucks, RVs), use 4–6 inches. The base layer quality is as important as the asphalt depth — a poorly compacted base causes premature cracking and rutting.

Standard hot mix asphalt (HMA) weighs approximately 145 lb per cubic foot, which equals about 1.96 tons per cubic yard. Mixes range from 140–160 lb/ft³ depending on aggregate type and mix design. The density field in the calculator lets you adjust if your mix differs.

Hot mix asphalt material typically costs $80–$200 per ton, depending on oil prices, region, and mix type. For full installed cost including labor, base prep, and materials, see our Asphalt Cost Calculator or get quotes from local contractors.

10% is the standard recommendation for most paving projects — covers irregular edges, overlap at joints, and material loss to spillage. Use 12–15% for projects with many curves or tight access. Simple straight rectangular driveways can use 5–8%.

Asphalt Project Planning Checklist

Reviewed by Dave Whitaker (paving contractor). Covers base preparation, compaction requirements, asphalt mix selection, depth verification, drainage slope, and cure time before opening to traffic.

Download Checklist (PDF)

Planning reference only. See Methodology and Data Sources. View all project checklists →

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Accuracy & Review

Reviewed by: Dave Whitaker

Dave is a second-generation paving contractor specialising in asphalt compaction, lift thickness, and milling yields for driveways and small parking lots. He reviewed the assumptions, calculation logic, and practical estimating guidance used in this calculator.

Last updated: Feb 12, 2026

See: Methodology · Data Sources · Review Board

Disclaimer: Estimates are for general planning only and should not be considered paving or engineering specifications. Actual quantities may vary based on compaction, base preparation, climate, and traffic load.

See Methodology and Data Sources for calculation assumptions.