Cubic Yard Calculator

Optional Cost Calculation

Cubic Yards (yd³): ?

Cubic Feet (ft³): ?

Cubic Meters (m³): ?

Cost: ?

Cubic Yard Calculator Guide

Table of Contents

Introduction to Cubic Yard Calculation

Accurately calculating material volumes in cubic yards is essential for construction, landscaping, and home improvement projects. It ensures you order the correct quantity of materials, avoid waste, and stay within budget. One cubic yard equals 27 cubic feet or approximately 0.7646 cubic meters.

Using this calculator, you can quickly determine volumes for shapes like squares, rectangles, circles, triangles, and trapezoids. It also handles complex designs such as borders or annulus, allowing precise planning for garden beds, patios, or concrete foundations.

The tool supports multiple measurement units, making it versatile for both metric and imperial systems. Enter dimensions in inches, feet, yards, centimeters, or meters, and receive immediate results in cubic yards, cubic feet, and cubic meters.

Understanding Measurement Units

Different projects require different units. Material volume can be expressed in cubic feet, cubic yards, or cubic meters. Cubic yards are standard in the US construction industry, while cubic meters are used internationally.

Remember, 1 cubic yard = 27 cubic feet. Converting manually can be prone to error, so using a calculator simplifies the process. Always double-check your inputs for precision.

Key points to remember:

  • 1 cubic yard = 27 cubic feet
  • 1 cubic foot = 1728 cubic inches
  • 1 cubic meter ≈ 35.3147 cubic feet
  • Unit conversions reduce calculation errors

Volume Formulas for Different Shapes

ShapeVolume FormulaNotes
SquareSide × Side × DepthSimple area multiplied by depth
RectangleLength × Width × DepthMost common for gardens or slabs
Circleπ × (Diameter/2)2 × DepthUseful for planters or circular patios
Triangle
Area = sqrt(s(s-a)(s-b)(s-c)) × Depth
where s = (a+b+c)/2
Heron's formula for irregular triangles
Trapezoid((Base1 + Base2)/2) × Height × DepthAverage base times height then depth
Rectangle BorderOuter Volume − Inner VolumeFor garden or patio borders
Annulusπ × (OuterRadius² − InnerRadius²) × DepthRing-shaped areas like circular beds

Practical Examples of Calculations

  • A rectangular garden 10 ft × 5 ft × 1 ft: Volume = (10 × 5 × 1)/27 ≈ 1.85 yd³
  • Circular planter 6 ft diameter, 2 ft depth: Volume = π × (3²) × 2 = 56.55 ft³ ≈ 2.09 yd³
  • Triangular flower bed sides 5, 6, 7 ft, depth 1 ft: Area via Heron’s formula × depth
  • Driveway 20 ft × 15 ft × 0.5 ft, concrete $120/yd³: Volume = 5.56 yd³, Cost ≈ $667
  • Rectangle border 20 ft × 10 ft, width 1 ft, depth 0.25 ft: Outer Volume − Inner Volume

Estimating Material Costs

Enter the price per cubic yard or cubic meter to get the total cost. This is useful for budgeting and comparing supplier quotes. For example, concrete costs between $110–150 per cubic yard.

Typical ranges:

  • Gravel: $30–50 per cubic yard
  • Topsoil: $15–40 per cubic yard
  • Mulch: $20–60 per cubic yard
  • Sand: $25–40 per cubic yard
  • Crushed stone: $30–60 per cubic yard
  • Soil mix: $20–45 per cubic yard
  • Concrete: $110–150 per cubic yard

Helpful Tables

MaterialPrice per Cubic Yard ($)Common Use
Concrete110–150Foundations, slabs, driveways
Gravel30–50Drainage, landscaping
Topsoil15–40Gardening, lawns
Mulch20–60Landscaping, weed control
Sand25–40Concrete mix, fill
Crushed Stone30–60Road base, drainage
Soil Mix20–45Planting beds, landscaping
UnitEquivalentConversion Factor
1 Cubic Yard27 Cubic Feet1 yd³ = 27 ft³
1 Cubic Foot1728 Cubic Inches1 ft³ = 1728 in³
1 Cubic Meter35.3147 Cubic Feet1 m³ = 35.3147 ft³
1 Cubic Yard0.7646 Cubic Meters1 yd³ = 0.7646 m³
1 Inch0.0833 Feet1 in = 0.0833 ft
1 Foot0.3333 Yards1 ft = 0.3333 yd
1 Meter3.28084 Feet1 m = 3.28084 ft
ShapeFormulaApplication
SquareSide² × DepthGarden beds
RectangleLength × Width × DepthPatios, slabs
Circleπ × (D/2)² × DepthPlanters
TriangleHeron formula × DepthFlower beds
Trapezoid((B1+B2)/2) × Height × DepthLandscaping shapes
Rectangle BorderOuter − Inner VolumeEdging
Annulusπ × (Outer² − Inner²) × DepthRing beds

Formulas for Manual Calculation

Volume (yd³) = (Length × Width × Depth) / 27
Where dimensions are in feet and 1 yd³ = 27 ft³

Frequently Asked Questions