How much asphalt do I need for a driveway?

To calculate asphalt, multiply length * width * depth of the driveway to find the volume. Then multiply the volume by the density of compacted asphalt (approx. 145 lbs/cu ft or 2.3 tonnes/cu m) to get the required weight.

What is the difference between asphalt and bitumen?

Bitumen is the sticky, black, semi-solid liquid binder that acts as the glue. Asphalt is the mixture of bitumen binder with mineral aggregates (sand, gravel, crushed stone) used to pave roads.

What is the standard density of asphalt?

The standard density of compacted hot-mix asphalt (HMA) is approximately 2.3 to 2.4 grams per cubic centimeter, which translates to about 145 to 150 pounds per cubic foot, or 2.3 to 2.4 metric tonnes per cubic meter.

Bitumen Calculator | Asphalt Volume & Weight

Bitumen / Asphalt Paving Calculator

Calculate the volume and weight of asphalt/bitumen required for roads, driveways, or construction sites.

Unit System

Pavement Length (ft)

Pavement Width (ft)

Thickness / Depth (inches)

Asphalt Density (lbs/cu ft)

Material Requirements

Total volume and weight projections for asphalt binders.

Total Volume

300.0 cu ft

Total Asphalt Weight

21.75 tons

Liquid Bitumen Binder (at 5% mix content)

1.09 tons

A 100ft × 12ft layout at a thickness of 3 inches requires 300 cubic feet of compacted asphalt. At 145 lbs/cu ft, this equates to 21.75 tons of aggregate mixture containing approximately 1.09 tons of pure liquid bitumen glue.

How to Calculate Bitumen and Asphalt Paving

In civil engineering and road paving, determining material volume and weight accurately is essential for logistical planning and budgeting. Pavement construction consists of **asphalt hot mix**, which is roughly 95% mineral aggregate (sand, stone, gravel) and 5% **liquid bitumen binder** (the black petroleum glue).

Standard Asphalt Density

Asphalt mixes have variable densities depending on compaction levels and aggregate types. The standard density parameters for estimation are:

Imperial Units: Compacted hot-mix asphalt (HMA) density is usually estimated at **145 to 150 pounds per cubic foot (lbs/cu ft)**, which is approximately **2.0 to 2.1 tons per cubic yard (cu yd)**.
Metric Units: Compacted asphalt density is estimated at **2.3 to 2.4 metric tonnes per cubic meter (t/m³)**.

Bitumen / Asphalt Paving Calculator

Material Requirements

How to Calculate Bitumen and Asphalt Paving

Standard Asphalt Density

Frequently Asked Questions