Asphalt Calculator

Calculate asphalt tonnage and cost for driveways and parking areas.

Project Dimensions

Residential: 2-3"
Standard: 145
Loose = compacted × 1.2
Area—
Compacted Tons—
Loose Tons (to order)—
Material Cost—
Coverage per Ton—

How to Calculate Asphalt

Formula: Cubic feet = L × W × (thickness ÷ 12). Compacted tons = cubic feet × density ÷ 2000. Order loose tons = compacted × 1.2 (compaction factor).

Related: Try our concrete calculator, gravel calculator, or square footage calculator for your project.

Asphalt Thickness Guide

ApplicationThicknessBase
Walkway / path2 inches4-6" gravel
Residential driveway2-3 inches6-8" gravel
Heavy driveway / RV3-4 inches8-12" gravel
Parking lot / commercial3-4 inches8-12" aggregate

FAQ

Asphalt for 2-car driveway?
18×20 ft at 3" = ~6.5 tons compacted. Order ~7.8 tons loose. Cost ~$1,000-1,500 material.
Thickness for driveway?
2-3 inches residential over 6-8" gravel base. Heavy use: 3-4 inches.
Cost per ton?
$100-200/ton material. Installed $3-7/sq ft. 2-car driveway = $3,000-7,000.
Sq ft per ton?
2" thick = ~80 sq ft/ton. 3" = ~53 sq ft/ton. 4" = ~40 sq ft/ton.

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