Driveway Asphalt & Subbase Gravel Calculator

Calculate hot-mix asphalt (HMA) tonnage and crushed aggregate subbase requirements for residential driveway paving and resurfacing.

  • 100% free
  • Private in browser
  • No signup
  • No watermarks
Hot Mix Asphalt Required (Tons)
9.5
Subbase Aggregate Required (Tons)
17.9
Driveway Surface Area (Sq Ft)
600
Asphalt Volume (Cubic Yards)
4.6

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About Driveway Asphalt & Subbase Gravel Calculator

Calculate hot-mix asphalt (HMA) tonnage and crushed aggregate subbase requirements for residential driveway paving and resurfacing. Enter Driveway Length, Driveway Width and Compacted Asphalt Depth and the tool works out Hot Mix Asphalt Required, Subbase Aggregate Required and Driveway Surface Area straight away. Everything runs in your browser, so your data never leaves your device.

How to use Driveway Asphalt & Subbase Gravel Calculator

  1. Enter Driveway Length, Driveway Width and Compacted Asphalt Depth.
  2. Adjust the remaining options (Crushed Gravel Subbase Depth) to match your case.
  3. Read Hot Mix Asphalt Required, Subbase Aggregate Required and Driveway Surface Area in the results panel — copy or download what you need.

Key features

  • Shows Hot Mix Asphalt Required (Tons)
  • Shows Subbase Aggregate Required (Tons)
  • Shows Driveway Surface Area (Sq Ft)
  • 4 adjustable inputs, results update as you type
  • No signup, no limits

Frequently asked questions

Is this calculation free and private?
Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.
What does the Driveway Asphalt & Subbase Gravel Calculator give me?
It works out Hot Mix Asphalt Required, Subbase Aggregate Required, Driveway Surface Area and Asphalt Volume, updating live as you change the inputs.
What do I need to enter?
Just Driveway Length, Driveway Width, Compacted Asphalt Depth and Crushed Gravel Subbase Depth. Every field has a sensible default you can start from.
Is my data uploaded anywhere?
No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?
Yes. The layout adapts to small screens and needs no app or signup.

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