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Cubic Feet to Cubic Meters Calculator

Convert cubic feet to cubic meters (ft³ to m³) for international shipping, HVAC specifications, and scientific volume measurements.

Cubic Feet → Cubic Meters
Cubic FeetFT³ — IMPERIAL
ft³
Cubic MetersM³ — METRIC
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📐 What Is a Cubic Feet?

Cubic feet is the standard volume unit in the US for measuring room sizes, HVAC airflow rates (CFM), refrigerator capacity, storage unit sizes, and concrete orders. One cubic foot is the volume of a cube with sides measuring exactly 1 foot (30.48 cm).

1 ft³ = 7.4805 US gallons
1 ft³ = 28.3168 liters
1 cubic yard = 27 ft³
HVAC uses CFM (cubic feet per minute)

📏 What Is a Cubic Meter?

The cubic meter is the SI standard for volume measurement, used internationally for shipping containers, water treatment, gas metering, and scientific research. Converting from ft³ to m³ is essential when translating US specifications for international markets.

1 m³ = 1,000 liters
1 m³ = 35.3147 ft³
1 m³ of water = 1 metric ton
International shipping standard

🔬 Cubic Feet to Cubic Meters Formula

m³ = ft³ × 0.0283168
Reverse: ft³ = m³ × 35.3147

How it works: Cubic Meters = Cubic Feet × 0.0283168

🧮 How to Convert Cubic Feet to Cubic Meters

Follow these step-by-step examples using the formula m³ = ft³ × 0.0283168:

Example 1
1 ft³
0.0283 m³
Volume of a 1ft × 1ft × 1ft cube
Example 2
27 ft³
0.7646 m³
1 cubic yard
Example 3
100 ft³
2.832 m³
Small storage unit volume
Example 4
1,172 ft³
33.18 m³
20-foot shipping container
Example 5
2,390 ft³
67.68 m³
40-foot shipping container
Example 6
35,315 ft³
1,000 m³
Exactly 1,000 cubic meters

📊 Cubic Feet to Cubic Meters Conversion Table

Cubic Feet (ft³)Cubic Meters (m³)
10.0283
50.1416
100.2832
250.7079
501.4158
1002.8317
2005.6634
2507.0792
50014.158
75021.238
1,00028.317
1,17233.18
1,50042.475
2,00056.634
2,39067.68
3,00084.951
5,000141.58
7,500212.38
10,000283.17
15,000424.75
20,000566.34
35,3151,000
50,0001,415.8
100,0002,831.7

🔄 Cubic Meters to Cubic Feet Conversion Table

Cubic Meters (m³)Cubic Feet (ft³)
0.010.353
0.051.766
0.13.531
0.517.657
135.315
270.629
5176.57
10353.15
20706.29
33.21,172.4
501,765.7
67.72,390.8
1003,531.5
50017,657
1,00035,315
5,000176,573

🌍 Real-World Cubic Feet to Cubic Meters Examples

❄️

Refrigerator

20 ft³ = 0.566 m³ — typical large refrigerator capacity.

📦

Moving Box

4.5 ft³ = 0.127 m³ — standard large moving box.

🏠

Room Volume

960 ft³ = 27.2 m³ — a 12×10×8 ft room.

🧱

Concrete Order

27 ft³ = 0.765 m³ = 1 cubic yard of concrete.

🔥

Natural Gas

1,000 ft³ (1 MCF) = 28.317 m³ — common gas billing unit.

💨

HVAC Airflow

400 CFM = 11.33 m³/min — typical residential AC airflow.

🎯 Why Accurate Cubic Feet to Cubic Meters Conversion Matters

In the natural gas industry, volumes are often quoted in cubic feet (or MCF — thousand cubic feet) in the US but in cubic meters internationally. A billing error from incorrect conversion can cost thousands of dollars. Similarly, HVAC engineers must convert CFM specifications to m³/min when sourcing equipment from international manufacturers.

⚠️ Common Cubic Feet to Cubic Meters Conversion Mistakes

Using 3.28 Instead of 0.0283

3.28 converts linear meters to feet. For ft³→m³, multiply by 0.0283168.

🔢

Confusing ft³ with yd³

1 yd³ = 27 ft³. Make sure you know which unit you're starting with.

📏

CFM is Not Volume

CFM is a flow rate (volume/time). To get total volume, multiply CFM by time in minutes.

🔀

Direction Confusion

ft³→m³: multiply by 0.0283 (number gets smaller). m³→ft³: multiply by 35.31 (number gets bigger).

💡 Tips for Faster Cubic Feet to Cubic Meters Conversion

🧠

Divide by 35

For a quick ft³→m³ estimate, divide by 35. Example: 700 ft³ ÷ 35 ≈ 20 m³ (exact: 19.82).

📦

Container Reference

1,172 ft³ ≈ 33 m³ (20ft container). 2,390 ft³ ≈ 68 m³ (40ft container).

🔖

Key Value

1 ft³ = 28.3 liters. Useful for aquariums and tanks.

💧

Water Weight

1 ft³ of water weighs 62.4 lbs (28.3 kg).

❓ Frequently Asked Questions: Cubic Feet to Cubic Meters

How many cubic meters in 1 cubic foot?

1 cubic foot = 0.0283168 cubic meters.

How do I convert cubic feet to cubic meters?

Multiply cubic feet by 0.0283168. Example: 100 ft³ × 0.0283168 = 2.832 m³.

How many ft³ in 1 cubic meter?

There are 35.3147 cubic feet in 1 cubic meter.

What is 1 cubic yard in cubic meters?

1 cubic yard = 27 ft³ = 0.7646 m³.

How do I convert CFM to m³/min?

Multiply CFM by 0.0283168. Example: 400 CFM = 11.33 m³/min.

What is 1,000 cubic feet in m³?

1,000 ft³ = 28.317 m³.

How many liters in a cubic foot?

1 ft³ = 28.3168 liters.

How many gallons in a cubic foot?

1 ft³ = 7.4805 US gallons.

What is MCF in natural gas?

MCF = 1,000 cubic feet. 1 MCF = 28.317 m³.

How do I convert m³ back to ft³?

Multiply m³ by 35.3147. Example: 5 m³ × 35.3147 = 176.57 ft³.

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