Practical material planning

Know what you need before you build.

Turn a few measurements into a purchase-ready material quantity—with transparent formulas, sensible overage, and no signup.

Gravel estimate30 ft × 12 ft × 4 in
Recommended order4.9 yd³Includes 10% overage
Area
360 sq ft
Base volume
4.44 yd³
Approx. order weight
6.93 tons
Instant calculationsUS & metric unitsTransparent assumptionsPurchase-ready quantities

Built around real projects

Material calculator categories

Focused tools that answer one useful question: how much material should I buy?

015 calculators

Aggregates & landscaping

Gravel, soil, mulch, and other bulk landscape materials.

Explore calculators
04Planned

Exterior projects

Siding and other non-roofing exterior material planning.

More calculators coming next
05Planned

Walls & interiors

Drywall, insulation, and interior finish materials.

More calculators coming next

A clearer way to estimate

Measurements in. A shopping quantity out.

  1. 01

    Measure the project

    Enter the real dimensions using the units already on your tape.

  2. 02

    Choose the material

    Use a material profile or adjust the important assumptions.

  3. 03

    Buy with confidence

    Get volume, weight, overage, and optional cost in useful units.

Start with the reference calculator

Planning a gravel project?

Estimate paths, beds, patios, drainage areas, and other simple fills.

Open gravel calculator