Cubic Feet Calculator

The Unit Movers, Storage Facilities, and Freight Quotes Speak In

Cubic feet is the default currency of storage and moving quotes in the United States — a mover estimates truck space in cubic feet, a self-storage facility sizes units by it, and a freight quote often converts your shipment into it before pricing. This calculator converts raw measurements in any common unit into cubic feet, plus cubic yards and liters for the moments those come up instead.

The Formula

Cubic Feet = Length × Width × Height (converted to feet)

Inputs in inches, yards, centimeters, or meters are converted to feet first, so the same formula applies regardless of which unit the original measurement was taken in.

Where This Calculation Matters

  • Sizing a moving truck — total household cubic footage is the standard figure movers use to recommend truck size.
  • Comparing storage unit sizes — cubic feet accounts for ceiling height, which square footage alone ignores — a taller unit holds more even with the same floor space.
  • Freight volume quotes — some freight carriers price by cubic feet or convert it to cubic yards for less-than-truckload shipments.
  • Landscaping and construction materials — mulch, soil, and gravel are commonly sold and measured by the cubic yard, one step removed from a cubic feet calculation.
Cubic feet and cubic yards for common storage spaces
SpaceDimensions (ft)Cubic feetCubic yards
Closet4 × 2 × 8642.37
Small storage unit5 × 5 × 82007.41
Walk-in closet6 × 6 × 828810.67
One-car garage bay10 × 20 × 81,60059.26

Computed directly from Cubic Feet = L × W × H, with cubic yards = cubic feet ÷ 27.

How to Use This Calculator

  1. Enter the length, width, and height of the space or item.
  2. Select the unit of measurement — inches, feet, yards, centimeters, or meters.
  3. Select Calculate to get the volume in cubic feet, cubic yards, and liters.

Related Calculations

For box-scale volumes with gallon and liter conversions, use the Box Volume Calculator, or estimate the monthly cost of the storage space you need with the Storage Unit Cost Calculator.