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When setting up a cannabis garden in your home or a commercial facility, volume measurements may be necessary when dealing with bulk soil, maximizing the vertical growing space, and determining the minimum air exchange for your grow room.

Beyond the world of cannabis cultivation, understanding common units of volume such as cubic feet, cubic yards, fluid ounces, cups, pints, and gallons is important. Here, we show you how to convert cubic feet to cubic yards and vice versa.

TL;DR (Too long; Didn’t read): There are 27 cubic feet in a cubic yard.

Units of Volume: U.S., Imperial, and Metric Measurements

A unit of volume is used to measure the volume or capacity of an object or enclosed space in three dimensions. 

To calculate the volume of a space, use this formula:

Volume = Length x Width x Height

For example, a 10-gallon aquarium would be 12 inches high, 20 inches long, and 10 inches wide. To determine its volume, multiply the length by the width and the height to get the cubic feet. Convert the inch value to feet first. For example, 20 inches would be 1.66666666667 feet.

Common units of volume include liters, cubic meters, cubic yards, pints, cups, and gallons. In most countries, they use metric units of volume, such as cubic millimeters, cubic centimeters, cubic decimeters, cubic meters, and cubic kilometers. 

In the U.S. and imperial systems, they use pints, cups, quarts, and gallons as units of volume. Although the imperial and U.S. systems of measuring volume use the same units, the imperial system’s units are larger, except for the fluid ounce.

  • One cubic centimeter equals 0.0610237 cubic inches
  • One cubic decimeter equals 1,000 cubic centimeters and 0.0353147 cubic feet.
  • One cubic meter equals 1,000 cubic decimeters and 1.30795 cubic yards.
  • One liter equals 1 cubic decimeter, 2.113 fluid pints, and 1.75975 pints.
  • One fluid ounce equals 29.57 milliliters
  • One cup equals 0.24 liters
  • One pint equals 0.47 liters
  • One gallon equals 3.79 liters
  • One imperial fluid ounce equals 28.41 milliliters
  • One imperial pint equals 0.57 liters
  • One imperial quart equals 1.13 liters
  • One imperial gallon equals 4.54 liters

Volume Measurements in Cannabis Cultivation

Cannabis growers must understand the different units of volume and how to convert one to another.

Here are a few instances that require knowing the volume of an area:

  • Building a mezzanine if you have enough space to maximize your vertical garden space
  • Determining the minimum air exchange needed in your grow room
  • Determining how much soil to buy and put in pots
  • Calculating the volume of raised garden beds
  • Figuring out how much CO2 to add
  • Making your own cannabis soil mix
  • Managing water usage

What Is a Cubic Foot?

cubic foot is a unit of volume used in the U.S.Customary and imperial measurement systems and is defined as “a unit of volume equal to a cube one foot long on each side.” A cubic foot equals 1,728 cubic centimeters, 28.317 liters, and roughly 0.028317 cubic meters.

The cubic foot volume unit is based on the foot, which is derived from the international yard. An international yard equals 0.9144 meters.

Cubic feet are common units of measurement in the United States and some parts of Canada and the United Kingdom. The more widely used metric system of measurement is also used in these countries.

What Is a Cubic Yard?

cubic yard is a unit of volume in the US customary measurement system and is defined as “a unit of volume equal to a cube one yard long on each side.” A cubic yard equals 27 cubic feet, 764.5549 liters, and 0.7645549 cubic meters.

The cubic yard definition is derived from the international yard, introduced in 1959. The international yard equals 0.9144 meters.

The cubic yard is a common unit of volume in the US, Canada, and the UK, although they also use metric units of liters, milliliters, and cubic meters. 

How Many Cubic Feet Are in a Cubic Yard?

There are 27 cubic feet in 1 cubic yard.

How Many Cubic Yards Are in a Cubic Foot?

There are 0.03703703703 cubic yards in a cubic foot.

How to Convert Cubic Feet to Cubic Yards

Converting cubic feet to cubic yards is easy with the right formula. Just divide the cubic foot value by 27. There are 27 cubic feet in a cubic yard.

Use this formula to convert cubic feet to cubic yards:

Cubic yards = Cubic feet ÷ 27

Examples:

1 ÷ 27 = 0.03703703703 cubic yards

3 ÷ 27 = 0.11111111111 cubic yards

10 ÷ 27 = 0.37037037037 cubic yards

350 ÷ 27 = 12.962962963 cubic yards

5,000 ÷ 27 =  185.185185185 cubic yards

How to Convert Cubic Yards to Cubic Feet

Converting cubic yards to cubic feet is simple. All you have to do is multiply the cubic yard value by 27. There are 27 cubic feet in one cubic yard.

Use this formula to convert cubic yards to cubic feet:

Cubic feet = Cubic yards x 27

Examples:

2 x 27 = 54 cubic feet

3.5 x 27 = 94.5 cubic feet

5 x 27 = 135 cubic feet

15 x 27 = 405 cubic feet

36 x 27 = 972 cubic feet

Cubic Foot to Cubic Yard Conversion Table

It’s easy to convert cubic feet to cubic yards with this handy conversion table.

Cubic feet (cu ft)Cubic Yards (cu yd)
1 cu ft0.03703703703 cu yd
2 cu ft0.07407407407 cu yd
3 cu ft0.11111111111 cu yd
4 cu ft0.14814814814 cu yd
5 cu ft0.18518518518 cu yd
6 cu ft0.22222222222 cu yd
7 cu ft0.25925925925 cu yd
8 cu ft0.29629629629 cu yd
9 cu ft0.33333333333 cu yd
10 cu ft0.37037037037 cu yd
11 cu ft0.4074074074 cu yd
12 cu ft0.44444444444 cu yd
13 cu ft0.48148148148 cu yd
14 cu ft0.51851851851 cu yd
15 cu ft0.55555555555 cu yd
16 cu ft0.59259259259 cu yd
17 cu ft0.62962962963 cu yd
18 cu ft0.66666666666 cu yd
19 cu ft0.7037037037 cu yd
20 cu ft0.74074074074 cu yd
21 cu ft0.77777777777 cu yd
22 cu ft0.81481481481 cu yd
23 cu ft0.85185185185 cu yd
24 cu ft0.88888888888 cu yd
25 cu ft0.92592592592 cu yd
26 cu ft0.96296296296 cu yd
27 cu ft1 cu yd

Cubic Yard to Cubic Foot Conversion Table

Skip the math and easily convert cubic yard to cubic feet with this helpful conversion table.

Cubic yards (cu yd)Cubic feet(cu ft)
1 cu yd27 cu ft
2 cu yd54 cu ft
3 cu yd81 cu ft
4 cu yd108 cu ft
5 cu yd135 cu ft
6 cu yd162 cu ft
7 cu yd189 cu ft
8 cu yd216 cu ft
9 cu yd243 cu ft
10 cu yd270 cu ft
11 cu yd297 cu ft
12 cu yd324 cu ft
13 cu yd351 cu ft
14 cu yd378 cu ft
15 cu yd405 cu ft
16 cu yd432 cu ft
17 cu yd459 cu ft
18 cu yd486 cu ft
19 cu yd513 cu ft
20 cu yd540 cu ft

Items That Measure a Cubic Foot

Cubic measurements are used to measure the capacity or volume of a three-dimensional object. But how do you know how much a cubic foot is in real life without an everyday example?

Here are a few objects with a one cubic foot capacity or volume.

  • Safe box
  • Countertop microwave oven
  • Potting soil
  • Compact minibar
  • Small bale of straw

How to Measure Cubic Feet and Cubic Yards

Measuring volume is possible using numerous measuring tools or formulas. To determine the volume of solids, you can use their dimensions and plug them into the right volume equation. A graduated measuring tool can be used to measure a liquid’s volume. The containers used to measure volume differ if you’re in the kitchen or a chemistry lab.

Here is how to calculate the volume of different shapes:

  • Cylinder: To find the cubic feet of a cylinder, you can multiply the height by its diameter and then multiply the result by pi (3.14).
  • Cube: Calculate a cube’s volume by multiplying the length of the side 3 times.
  • Sphere: A sphere’s volume is four-thirds multiplied by pi multiplied by the radius cubed.
  • Cone: A cone’s volume is one-third the area of the base multiplied by the height.
  • Pyramid: A pyramid’s volume is one-third the base’s area multiplied by the height.
  • Box: Multiply the length by the width and the height.

FAQs About Cubic Feet to Cubic Yard Conversions

Converting between cubic feet and cubic yards is a useful skill for many activities, from building a cannabis garden to filling an aquarium. 

Find the answers to the internet's most frequently asked questions about cubic feet to cubic yard conversions.

How Many Gallons in a Cubic Foot?

There are 7.48051948 US liquid gallons in a cubic foot. There are 6.22883507 imperial gallons in a cubic foot.

How Many Cubic Feet in a Yard of Mulch?

There are 27 cubic feet in a cubic yard of mulch.

How Many Cubic Inches in a Gallon?

There are 231 cubic inches in a US liquid gallon. There are 277.41943161904 cubic inches in an imperial gallon.

How Many Quarts Are in a Cubic Foot?

Wondering how many quarts in a cubic foot? There are 29.9220779 US fluid quarts per cubic foot. There are 25.71404638 US dry quarts in a cubic foot.

How Many Cubic Yards in a Dump Truck?

A standard dump truck usually has a capacity of 10-16 cubic yards.

How Many Cubic Yards in a Ton?

Converting tons to cubic yards or cubic yards to tons requires knowing the density of the material. To convert cubic yards to tons, multiply the cubic yard value by the density of the material in tons per cubic yard.

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How Many Cubic Feet in a Bag of Concrete?

A 60-pound bag of concrete yields .45 cubic feet of cured concrete.

How Many Cubic Feet Are in a Gallon?

One gallon equals 0.133681 cubic feet.

How Many Gallons Are in a Cubic Foot of Water?

There are 7.48051948 US gallons in a cubic foot of water. 

How Many Cubic Feet in a Gallon of Water?

There are 0.13 cubic feet in a US gallon of water.

How Many Ounces in a Cubic Centimeter?

There are 0.033814022701 US fluid ounces in a cubic centimeter.

How Many Cubic Feet in a Square Yard?

There are 27 cubic feet in a square yard.

How Many Millimeters Are in a Cubic Centimeter?

There are 1,000 cubic millimeters in a cubic centimeter.

How Many Inches in a Cubic Foot?

There are 1,728 cubic inches in a cubic foot.

How Many Liters in a Cubic Foot?

There are 28.3168 liters in a cubic foot.

How Many Liters in a Cubic Meter?

There are 1,000 liters in a cubic meter.

How Many Cubic Centimeters in a Milliliter?

One milliliter is equal to one cubic centimeter.

How Many Cubic Centimeters in a Cubic Meter?

There are 1,000,000 cubic centimeters in a cubic meter.

How Many Gallons in a Cubic Meter?

There are 264.172052 US liquid gallons in a cubic meter.

How Many Cubic Centimeters in a Liter?

There are 1,000 cubic centimeters in a liter.

How Many Cubic Feet in a 5-Gallon Bucket?

There are 0.67 cubic feet in a 5-gallon bucket.

How Many Cubic Feet in a Cord of Wood?

There are 128 cubic feet in a cord of wood. A cord refers to a measure of cut wood.

How Many Cubic Centimeters Is a Liter?

One liter equals 1,000 cubic centimeters.

How Big Is 9 Cubic Feet?

Nine cubic feet equals 67.3247 US liquid gallons, 15,552 cubic inches, 0.25485162 cubic meters, 0.33333333 cubic yards, and 254.85162 liters.

How Many Cubic Inches in a Liter?

There are 61.0237441 cubic inches in a liter.

How Many Cubic Meters Are in a Liter?

There are 0.001 cubic meters in a liter.

How Many Cubic Inches Is 6.2 L?

6.2 liters equals 378.347 cubic inches.

How Many Cubic Feet in a Yard of Concrete?

There are 27 cubic feet in a cubic yard of concrete.

How Many Cubic Yards in a Ton of Gravel?

There are 0.714 cubic yards in a ton of gravel.

How Many Cubic Feet in 3 Cubic Yards?

There are 81 cubic feet in 3 cubic yards.

How Many Quarts in a Cubic Foot of Soil?

There are 25.71 dry quarts in a cubic foot of soil.

How Many Cubic Feet in a Yard of Soil?

There are 27 cubic feet in a cubic yard of soil.

How Many Pounds Is 2 Cubic Feet of Soil?

Two cubic feet of soil weigh between 40-120 pounds.

How Many Quarts in a Cubic Yard?

There are 807.896104 US liquid quarts in a cubic yard.

How Many Grams Are in a Cubic Centimeter?

One gram is equal to one cubic centimeter.

1 Ton of Sand Is How Many Cubic Feet?

One ton of sand equals about 20 cubic feet or 0.74 cubic yards.

How Many Cubic Feet in an 80-lb Bag of Concrete?

An 80-lb bag of concrete yields approximately 0.6 cubic feet of cured concrete.

How Many Bags of Mulch in a Cubic Yard?

If a bag of mulch contains 2 cubic feet, there would be 13.5 bags of mulch in a cubic yard since there are 27 feet in a cubic yard.

1 Cubic Foot of Soil Equals How Many Pounds?

One cubic foot of soil is between 80-120 pounds. Dry dirt will weigh slightly less than moist dirt.

How Many Pounds in a Cubic Yard?

In some cases, materials may be provided in cubic yards rather than pounds. Although cubic yards measure volume, not weight, you can still convert this unit into pounds if you know the material’s density. Multiply the density by the material’s amount in cubic yards to get the pound equivalent.

What Is the Difference Between a Cubic Yard and a Yard?

A yard is a unit of length used to measure a two-dimensional area, while a cubic yard is a unit of volume used to measure the capacity of a space or three-dimensional volume.

50 Quarts to Cubic Feet: What’s the Equivalent?

Fifty US liquid quarts is equal to 1.67101 cubic feet.

1.5 Cubic Feet to Gallons: What’s the Equivalent?

1.5 cubic feet is equal to 11.2208 US liquid gallons.

Dry Quarts to Cubic Feet: How Do You Convert Quarts to Cubic Feet?

Since one dry quart equals 0.003342 cubic feet, you would need to multiply the quart value by 0.003342 to determine the value in cubic feet.

2 Cubic Feet to Quarts: What’s the Equivalent?

Two cubic feet equals 59.8442 US liquid quarts.

2 Cubic Feet to Liters: What’s the Equivalent?

Two cubic feet equals 56.6337 liters.

2 Cubic Feet to Yards: What’s the Equivalent?

Two cubic feet is equal to 0.0740741 cubic yards.

2,200 Cubic Feet to Square Feet: What’s the Equivalent?

To convert cubic feet to square feet, you need to divide the cubic feet by the thickness of the object in feet. If the thickness is measured in inches, you can convert cubic feet to square feet by dividing the cubic feet by the thickness in inches and multiplying that result by 12.

7 Cubic Feet to Inches: What’s the Equivalent?

Seven cubic feet equals 12,096 cubic inches.

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2 Cubic Yards to Cubic Feet: What’s the Equivalent?

Two cubic yards is equal to 54 cubic feet.

1.5 Cubic Feet to Quarts: What’s the Equivalent?

1.5 cubic feet is equal to 44.8831 US liquid quarts.

8 Quarts to Cubic Feet: What’s the Equivalent?

Eight US liquid quarts is equal to 0.267361 cubic feet.

40 Quarts to Cubic Feet: What’s the Equivalent?

Forty US liquid quarts is equal to 1.33681 cubic feet.

55 Quarts to Cubic Feet: What’s the Equivalent?

Fifty-five US liquid quarts is equal to 1.83811 cubic feet.

5 Cubic Feet to Liters: What’s the Equivalent?

Five cubic feet is equal to 141.584 liters.

5 Cubic Feet in Inches: What’s the Equivalent?

Five cubic feet is equal to 8,640 cubic inches.

4 Cubic Yards to Cubic Feet: What’s the Equivalent?

Four cubic yards is equal to 108 cubic feet.

15 Cubic Feet in Liters: What’s the Equivalent?

Fifteen cubic feet is equal to 424.753 liters.

3 Cubic Feet to Liters: What’s the Equivalent?

Three cubic feet is equal to 84.9505 liters.

40 Cubic Feet to Yards: What’s the Equivalent?

Forty cubic feet is equal to 1.48148 cubic yards.

25 Quarts to Cubic Feet: What’s the Equivalent?

Twenty-five US liquid quarts is equal to 0.835503 cubic feet.

8 Cubic Feet to Inches: What’s the Equivalent?

Eight cubic feet is equal to 13,824 cubic inches.

Cubic Feet to Board Feet: How Do You Convert?

One cubic foot is equal to 12 board feet. To convert cubic feet to board feet, multiply the cubic foot value by 12.

100 Cubic Feet of Water to Gallons: What’s the Equivalent?

One hundred cubic feet of water is equal to 748.052 US liquid gallons.

Final Thoughts on How Many Cubic Feet Are in a Cubic Yard

Converting cubic feet to cubic yards or cubic yards to cubic feet is easy using our conversion formulas and tables listed above. Now, you can finish designing your cannabis garden or completing other projects that maximize volume.

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