BuildNook Hub
Core ToolsVerified Formulas

Cubic Yard Calculator

Universal volume calculator converting length, width, and depth into cubic yards, wheelbarrows, and truckloads.

Cubic Yard Calculator Interactive Tool

Interactive Calculator

Enter your project dimensions below. Results update instantly.

12 inches = 1 foot depth
typical value, change to match your productAdd 10% safety margin for excavation or fill

Results

Base Volume

3.7 cu yd

100 cu ft (exact geometry)
Volume to Order

4.07 cu yd

With +10% allowance (110 cu ft)
Wheelbarrow Loads

37

Standard 3 cu ft contractor barrow
Pickup Truck Loads

~2.1

Standard 6.5-ft truck bed (2 cu yd)
Surface Footprint: 100 sq ftCubic Inches: 172,800 in³Metric Equivalent: 2.83 m³

Universal Cubic Yard Formula

Cubic Feet = Length (ft) × Width (ft) × (Depth (in) ÷ 12) | Cubic Yards = Cubic Feet ÷ 27 | Wheelbarrows ≈ Cubic Feet ÷ 3

Formula Variables:

  • 27 Cubic Feet:A 3 ft × 3 ft × 3 ft cube equals exactly 1 cubic yard.
  • Wheelbarrow:A standard contractor wheelbarrow holds approximately 3 cubic feet (9 loads per cubic yard).
  • Pickup Bed:A standard 6.5-foot pickup truck bed holds 1.5 to 2.0 loose cubic yards.

Cubic yardage is the universal bulk measurement used by quarry operators, concrete ready-mix plants, and landscape supply yards.

Step-by-Step Worked Example

Example: Converting an 18 × 30 ft area at 3 inches depth

Determining bulk delivery volume for an 18-foot by 30-foot garden renovation requiring 3 inches of material.

Length:30 ft
Width:18 ft
Depth:3 inches
  1. Area: 30 ft × 18 ft = 540 sq ft.
  2. Convert depth: 3 in ÷ 12 in/ft = 0.25 ft.
  3. Calculate cubic feet: 540 × 0.25 = 135 cu ft.
  4. Convert to cubic yards: 135 ÷ 27 = 5.00 cu yd.
  5. Calculate wheelbarrow trips: 135 ÷ 3 = 45 full wheelbarrow loads.
  6. Convert to pickup truck loads: 5 cu yd ÷ 2 = 2.5 full truckloads.
The volume is exactly 5.0 cubic yards (135 cu ft), equivalent to 45 wheelbarrow loads.

Input Explanations & Measurement Guidelines

Length & Width

Typical: 20 × 20 ft

Linear dimensions of the project surface.

Depth

Typical: 2 to 6 inches

Thickness in inches (or fractions of feet).

Assumptions & Limitations

  • Assumes standard rectangular prismatic geometry (length × width × depth).
  • For irregular kidney or curved shapes, divide the area into smaller approximate rectangles or circles.

Safety & Professional Notes

  • Be mindful of vehicle payload ratings. 2 cubic yards of wet gravel weighs over 5,500 pounds, far exceeding the payload of standard half-ton pickup trucks.

Frequently Asked Questions

How big is a cubic yard in simple terms?

Imagine a 3-foot wide, 3-foot long, and 3-foot high box (about the size of an ordinary residential washing machine). That volume is 1 cubic yard.

How many wheelbarrows make a cubic yard?

A typical contractor wheelbarrow holds 3 cubic feet of material. Since there are 27 cubic feet in a yard, it takes 9 full wheelbarrow loads to move 1 cubic yard.

Related Calculators in Core Tools

Gravel Calculator

Calculate gravel volume in cubic yards and convert to weight in US tons or bags.

Mulch Calculator

Calculate garden mulch volume in cubic yards and whole 2 or 3 cu ft bags.

Topsoil Calculator

Calculate topsoil volume and weight for lawns and gardens, accounting for natural soil settling.

Concrete Calculator

Calculate concrete volume in cubic yards and convert to 50, 60, or 80-lb premix bags.