How Many Cubic Feet Is in One Cubic Yard?

If you’re ordering concrete, mulch, gravel, or soil, you may wonder: how many cubic feet are in one cubic yard?

The answer is:

One cubic yard equals 27 cubic feet.

This conversion is commonly used in construction, landscaping, and home improvement projects.

In this guide, you’ll learn how to convert cubic yards into cubic feet, see practical examples, and understand why this measurement matters.

Quick Answer: Cubic Yard to Cubic Feet

The standard conversion is:

1 cubic yard = 27 cubic feet

Other common conversions include:

Cubic Yards	Cubic Feet
1 cubic yard	27 cubic feet
2 cubic yards	54 cubic feet
5 cubic yards	135 cubic feet
10 cubic yards	270 cubic feet

Why Does One Cubic Yard Equal 27 Cubic Feet?

A yard measures 3 feet.

A cubic yard is a three-dimensional space that measures:

3 feet long
3 feet wide
3 feet high

The volume formula is:

Calculation:

3 × 3 × 3 = 27

Therefore:

1 cubic yard = 27 cubic feet.

Visualizing One Cubic Yard

Imagine a large box that is:

3 feet long
3 feet wide
3 feet tall

That box contains exactly:

27 cubic feet of material.

This is roughly the amount of:

Soil
Concrete
Gravel
Sand
Mulch

that fits into one cubic yard.

Cubic Yard to Cubic Feet Formula

To convert cubic yards into cubic feet, use:

Cubic Feet = Cubic Yards × 27

For example:

4 cubic yards:

4 × 27 = 108 cubic feet

Conversion Chart: Cubic Yards to Cubic Feet

Cubic Yards	Cubic Feet
1	27
2	54
3	81
4	108
5	135
10	270
20	540

Common Uses for Cubic Yards

Cubic yards are commonly used to measure:

Concrete

Concrete trucks typically deliver material in cubic yards.

Mulch

Landscaping mulch is often sold by the cubic yard.

Gravel

Driveway gravel is usually ordered in cubic yards.

Topsoil

Garden soil and compost are frequently measured this way.

How Many Bags Fit Into One Cubic Yard?

The number of bags depends on bag size.

For example:

Bag Size	Bags per Cubic Yard
1 cubic foot	27 bags
2 cubic feet	14 bags
3 cubic feet	9 bags

Cubic Feet vs. Cubic Yards

Unit	Equivalent
1 cubic foot	0.037 cubic yards
10 cubic feet	0.37 cubic yards
27 cubic feet	1 cubic yard
54 cubic feet	2 cubic yards

Cubic yards are simply larger units of volume.

Why Construction Companies Use Cubic Yards

Contractors often use cubic yards because:

Large quantities are easier to calculate.
Delivery trucks measure capacity in yards.
Pricing is usually based on cubic yards.
It simplifies estimating projects.

For smaller projects, cubic feet may be more convenient.

FAQs

How many cubic feet are in one cubic yard?

One cubic yard contains 27 cubic feet.

Why is a cubic yard 27 cubic feet?

Because one yard equals 3 feet, and:

3 × 3 × 3 = 27

How do you convert cubic yards into cubic feet?

Multiply the number of cubic yards by 27.

How many cubic feet are in 2 cubic yards?

Two cubic yards equal 54 cubic feet.

How many bags of mulch are in a cubic yard?

A cubic yard equals:

27 one-cubic-foot bags
About 14 two-cubic-foot bags

What materials are measured in cubic yards?

Concrete, gravel, soil, sand, and mulch are commonly measured in cubic yards.

Is a cubic yard larger than a cubic foot?

Yes. One cubic yard is equal to 27 cubic feet.

Quick Facts

1 cubic yard = 27 cubic feet.
A cubic yard measures 3 ft × 3 ft × 3 ft.
Cubic yards are commonly used in construction and landscaping.
Multiply cubic yards by 27 to find cubic feet.
One cubic yard equals 27 one-foot bags of material.

Final Thoughts

One cubic yard contains exactly 27 cubic feet.

Whether you’re ordering concrete, buying mulch, or planning a landscaping project, knowing this conversion helps you estimate materials accurately and avoid costly mistakes.