The legal-pad math, done for you
Material calculators built by people who order this stuff for a living. Free, no signup, no catch. Weights are cross-checked against published DOT and supplier weight charts; confirm with your own supplier, since moisture and mix change every yard.
Cubic yards, tons, and truckloads for fill and excavation. The one that started it.
Cubic yards and bags from bed size and depth.
Yards, tons, and truckloads for gravel and crushed stone.
Yards and tons for bedding, paver base, septic, and fill sand.
Hot mix is ordered by the ton.
Yards, tons, and truckloads for lawn repair, regrades, and beds.
Yards for the ready-mix truck or bags for the mixer.
Yards, tons, and truckloads for raising low spots, backfilling, and building pads.
Tons, yards, and truckloads for #57 stone, dense grade, and driveway limestone.
Tons, yards, and truckloads for erosion control on shorelines, channels, and slopes.
Yards, tons, and truckloads of base for patios and walkways.
Spoil, bedding, and backfill from trench dimensions.
Stone quantities from trench size.
Dig volume from pond size.
Percent grade, ratio, degrees, and fall per foot, plus the usual targets for pipe and grading.