Measure the widest points
For irregular beds, split the space into simple shapes and add the estimates together.
Built for the work outside
Materials Calculator
Measure once. Order confidently.
Calculate how much material you need for your project.
01
What are you working with?
02
Define the coverage area
Order & pricing options
Supplier package sizes and material densities vary. Confirm all assumptions before ordering.
02
Rebar grid calculator
Estimate a slab reinforcement grid, stock bars, lap allowance, and order weight.
Planning estimate only. Confirm spacing, cover, lap, reinforcement type, and structural requirements with the project engineer and supplier before ordering.
DSMulch
Double Shredded Hardwood
A natural hardwood mulch for moisture retention, weed suppression, and a clean finished appearance.
- Typical uses
- Planting beds, trees, borders
- Drainage
- Good
- Compaction
- Low
- Bulk density
- 0.45 tons / yd³
Field notesBetter inputs.
Better inputs.
Fewer second trips.
Small adjustments make a big difference when ordering in bulk.
Respect compaction
Soil, gravel, and base material settle. Keep the recommended allowance unless your supplier says otherwise.
Round to supplier increments
Bulk yards are often sold in half-yard increments. TerraCalc shows a practical order quantity automatically.
Calculator directory
Start with the right material calculator
Open a focused guide for formulas, assumptions, order units, and a direct link to the matching TerraCalc calculator.
View all calculators