Calculate Landscape Rock Calculator

Instantly calculate the cubic yards, cubic feet, and ton weight of landscape rock you need—free and no sign‑up required.

  • Free
  • No sign-up
  • Instant results

Loading calculator…

How to use it

  1. Enter length in feet.
  2. Enter width in feet.
  3. Enter depth in inches.
  4. Click Calculate to see cubic yards, cubic feet, and tons.

The Landscape Rock Calculator turns the dimensions of your project—length, width, and depth—into the exact volume of rock you’ll need, shown in cubic yards, cubic feet, and an estimated weight in tons. Knowing the cubic yards helps you order the right amount of material from suppliers, while the cubic‑feet figure is useful for comparing to other site‑specific measurements. The ton estimate lets you budget for delivery costs, since most carriers charge by weight. Simply enter the footprint of the area you’re covering and the depth of rock, and the tool instantly converts the numbers using the standard conversion (1 cubic yard = 27 cubic feet) and the industry‑standard weight of 1.4 tons per cubic yard. The results are rounded to two decimals for easy ordering and budgeting.

Pro tips

  • Add 5‑10% extra for breakage and settling.
  • Round up to the nearest 0.1 yd³ when ordering to avoid shortfalls.
  • Compare the ton estimate with delivery truck capacities before ordering.
  • Double‑check depth units; inches must be converted to feet before volume calculation.

Real-life examples

  • A homeowner planning a new rock garden needs to know how much material to order.
  • A landscaper preparing a patio base wants an accurate weight estimate for delivery costs.
  • A DIY enthusiast wants to compare material quotes based on volume and weight.

Case study

Sam measured a 20 ft × 15 ft area for a fire pit and chose a 4‑in depth. The calculator gave 3.70 yd³, 99.90 ft³, and 5.18 tons. He ordered 4 yd³, avoiding a costly short‑order and stayed within budget.

Frequently asked questions

How do I convert depth in inches to the calculator?
Enter the depth in inches; the tool automatically converts it to feet for volume calculations.
Why does the result show tons?
Tons estimate delivery weight, using the industry standard of 1.4 tons per cubic yard.
Can I use the calculator for multiple areas?
Calculate each area separately and add the results for a total volume and weight.
What if my rock supplier uses metric units?
Convert the cubic yards to cubic meters (1 yd³ ≈ 0.764 m³) after you get the result.
Is the weight estimate exact?
It’s an approximation based on 1.4 tons per cubic yard; actual weight may vary slightly by rock type.