The easiest way to figure out how much asphalt you need is to use a free asphalt calculator. Just enter length, width, and depth — it gives you tonnage, cubic yards, and total cost instantly. For a typical 20×30 driveway at 3" thick, you're looking at about 10-11 tons. https://asphapro.com/asphalt-calculator.html
https://asphapro.com/asphalt-calculator.html