Construction materials calculators
Size the job. Order the right amount.
Stop guessing how much gravel, soil, or stone you need. Enter your area and depth — get cubic yards, tons, and bags in a second, with the math shown.
Calculators
19 live · more shipping- GravelCalculate
- Crushed StoneCalculate
- AggregateCalculate
- SandCalculate
- TopsoilCalculate
- Fill DirtCalculate
- MulchCalculate
- DeckCalculate
- Deck BoardCalculate
- DeckingCalculate
- Retaining WallCalculate
- Gravel DrivewayCalculate
- PaverCalculate
- Concrete BlockCalculate
- Concrete SlabCalculate
- Concrete FootingCalculate
- Concrete ColumnCalculate
- Concrete WallCalculate
- Concrete StairsCalculate
How it works
- 01
Measure
Enter your length, width, and depth — pick a shape if it’s not a rectangle.
- 02
Read the amount
See cubic yards, tons, and bags instantly, with a recommended overage.
- 03
Order with confidence
The formula and density are shown, so you can trust and defend the number.
Guides
All guides →Deck Board Spacing: Gap Rules for 2026
Learn proper deck board spacing gaps (1/8" to 1/4") for drainage, wood movement, and longevity. Real measurements for pressure-treated and composite.
Read →Concrete Bag Yield & Coverage Chart
Concrete bag yield and coverage chart: how many 40, 60, and 80-lb bags are in a cubic yard, slab coverage by thickness, round-column (Sonotube) fill per foot, and ready-mix conversions.
Read →Mulch Depth for Flower Beds: Coverage
Ideal mulch depth: 2–3 inches for beds, 3–4 inches under trees. Coverage by cubic yard, settling factors, and refresh schedules.
Read →