Driveway Calculators
Asphalt, concrete and gravel driveways, by depth and compaction. 5 free calculators.
A driveway needs enough depth to carry vehicle weight, and gravel driveways in particular lose volume to compaction after it's placed - a number that's easy to miss if you only calculate the loose volume you're ordering.
These calculators size asphalt, concrete or gravel driveways by area and depth, with a compaction factor built into the gravel figures so the delivered tonnage compacts down to the depth you actually planned for.
Last reviewed September 2026
Start here
All 5 Driveway calculators
Gravel Driveway Calculator
This gravel driveway calculator sizes each layer separately, with a compaction allowance for loose material, so you order enough base and topping.
Asphalt Calculator
Use this asphalt calculator to find the tons of hot-mix asphalt for your driveway or path, from its length, width and compacted thickness, with an example.
Concrete Driveway Calculator
Use this concrete driveway calculator to size a ready-mix pour and plan control joints, with a 50 ft example and an optional price per cubic yard.
Asphalt Sealer Calculator
Use this asphalt sealer calculator to work out how many gallons of sealcoat your driveway needs, based on its size, coat count and coverage rate.
Ice Melt / Deicing Salt Calculator
Use this ice melt calculator to get the bags and total pounds of deicing salt for a driveway, walkway or parking area, from its size and rate.