CFT Calculator – Calculate Cubic Feet Volume Online

Use this CFT Calculator to quickly calculate cubic feet (ft³) volume for boxes, rooms, materials, shipping, construction, and storage. Simply enter length, width, and height in feet or inches, and our calculator will instantly give you accurate CFT results.

This tool is widely used in logistics, construction, packing, woodworking, and interior design to measure volume efficiently.

What is CFT (Cubic Feet)?

CFT (Cubic Feet) is a unit of volume that measures how much space an object occupies.
One cubic foot represents the volume of a cube that is 1 foot long × 1 foot wide × 1 foot high.

CFT is commonly used for:

• Shipping & courier volume calculations
• Construction material estimation
• Furniture & storage measurement
• Packaging and box volume calculation

How to Calculate CFT (The Simple Formula)

Calculating CFT is surprisingly easy. You only need to know three measurements: Length, Width, and Height.

The magic formula is:

CFT = Length (in feet) × Width (in feet) × Height (in feet)

The Golden Rule: The most important thing to remember is that all three measurements must be in feet before you multiply them. If you have measurements in inches, meters, or centimeters, you have to convert them to feet first.

Here’s a quick cheat sheet for converting:

• Inches to Feet: Divide the number of inches by 12.
  • Example: 24 inches = 24 / 12 = 2 feet.
• Meters to Feet: Multiply the number of meters by 3.281.
  • Example: 2 meters = 2 * 3.281 = 6.562 feet.
• Centimeters (CM) to Feet: Divide the number of centimeters by 30.48.
  • Example: 150 cm = 150 / 30.48 = 4.92 feet.

Once everything is in feet, you just multiply the three numbers together!

Where is CFT Used in the Real World?

CFT calculations are essential in many industries:

• 📦 Shipping & Logistics – calculating volumetric weight
• 🏗 Construction – estimating concrete, sand, and materials
• 🚚 Moving & Packing – box and furniture volume
• 🪑 Furniture & Woodworking – measuring wood quantity
• 🏠 Home Storage Planning – space optimization

A Practical Example: Let’s Calculate Together!

Let’s say you have a large cardboard box that you want to ship, and you need to find its CFT.

You measure it and get the following dimensions:

• Length: 3 feet
• Width: 24 inches
• Height: 18 inches

Let’s follow the steps.

Step 1: Check the Units
We can see that the Length is already in feet, but the Width and Height are in inches. We need to convert them first!

Step 2: Convert All Measurements to Feet

• Length: 3 feet (This is already good to go!)
• Width: 24 inches / 12 = 2 feet
• Height: 18 inches / 12 = 1.5 feet

Step 3: Apply the CFT Formula
Now that all our measurements are in feet, we can multiply them.
CFT = Length × Width × Height
CFT = 3 ft × 2 ft × 1.5 ft

Step 4: The Result
3 × 2 × 1.5 = 9 CFT

So, the total volume of your box is 9 Cubic Feet.

Now that you understand the magic behind the math, feel free to use our calculator at the top of the page. It does all the conversions and calculations for you in an instant. Happy calculating

Why Use Our CFT Calculator?

✔ 100% free & accurate
✔ Instant calculation
✔ Supports feet & inches
✔ Mobile-friendly
✔ No login required

This online CFT calculator saves time and reduces manual calculation errors.

Frequently Asked Questions (FAQ)