Cubic Meter Calculator - Calculate Volume in Cubic Meters (m³)
Free cubic meter calculator. Calculate volume in cubic meters from length, width, and height, or convert any volume unit to cubic meters. Supports multiple units including meters/centimeters, feet/inches, and more. Perfect for calculating container volumes, material quantities, and international measurements. Real-time calculations with instant results.
Last updated: January 23, 2026
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💡 Two Calculation Modes
Calculate from dimensions (length × width × height) or convert directly from other volume units to cubic meters.
Enter a volume directly to convert to cubic meters, or leave empty to calculate from dimensions above.
Volume Result
Volume in Cubic Meters
30 m³
Formula: 5.0000 m × 3.0000 m × 2.0000 m = 30 m³
Cubic Feet
1,059.4417 ft³
Liters
30,000 L
US Gallons
7,925.17 US gal
Cubic Centimeters
30,000,000 cm³
Conversion Facts:
- • 1 m³ = 1,000 liters
- • 1 m³ = 35.315 cubic feet
- • 1 m³ = 1,000,000 cubic centimeters
- • 1 m³ = 264.17 US gallons
- • 1 m³ = 219.97 UK gallons
- • Formula: Volume = Length × Width × Height
Cubic Meter Calculator Features
Modes
Dimensions or Direct Conversion
Calculate from length × width × height, or convert directly from other volume units
Units Supported
Metric & Imperial
Supports mm, cm, m, km, inches, feet, yards, miles, and more for dimensions
Volume Units
ft³, L, gal, ml, cm³
Convert from cubic feet, liters, gallons (US/UK), milliliters, and more
Speed
Instant calculations
See results immediately as you enter or change values
Standard
Metric System (SI)
Cubic meter is the official SI unit for volume, used worldwide
Output Units
m³, ft³, L, gal, cm³
Results shown in cubic meters, cubic feet, liters, gallons, and cubic centimeters
Quick Example Result
For a box 5 m × 3 m × 2 m:
Dimensions
5 × 3 × 2 m
Volume
30 m³
How Our Cubic Meter Calculator Works
Our cubic meter calculator provides two powerful modes: calculating volume from dimensions (length × width × height) and converting any volume unit directly to cubic meters. The cubic meter (m³) is the SI unit for volume, making it the international standard for measuring three-dimensional space.
How to Use the Calculator
Mode 1: Calculate from Dimensions
Enter the length, width, and height of your container. You can use different units for each dimension - the calculator will handle conversions automatically. The result will be in cubic meters.
Mode 2: Direct Volume Conversion
Enter a volume value in the "Volume in Other Units" field and select the unit (cubic feet, liters, gallons, etc.). The calculator will instantly convert it to cubic meters.
View Results
Results appear instantly in cubic meters, with conversions to cubic feet, liters, gallons (US and UK), and cubic centimeters. The calculation formula is also displayed when using dimension mode.
What is a Cubic Meter?
A cubic meter (m³) is the SI (International System of Units) standard unit for volume. It represents the volume of a cube with sides measuring exactly 1 meter each. When you multiply length × width × height, and all dimensions are in meters, the result is naturally in cubic meters.
Definition
1 m³ = 1 m × 1 m × 1 mOne cubic meter is the volume of a cube with 1-meter sides. This is approximately 3.28 feet per side, or about 35.3 cubic feet.
How to Calculate Cubic Meters from Dimensions
Calculating cubic meters from dimensions is straightforward: multiply the length, width, and height together. The key is ensuring all dimensions are in meters before multiplying.
Formula
Volume (m³) = Length (m) × Width (m) × Height (m)If all your dimensions are in meters, simply multiply them together to get cubic meters.
Example: Calculate Volume of a Box
Calculate the volume of a box that is 5 meters long, 3 meters wide, and 2 meters high:
Volume = 5 m × 3 m × 2 mVolume = 30 m³So the box has a volume of 30 cubic meters.
Common Volume Conversions
Here are the most important conversions from cubic meters to other volume units:
| Unit | Conversion from m³ | Example |
|---|---|---|
| Liters | × 1,000 | 1 m³ = 1,000 L |
| Cubic Feet | × 35.315 | 1 m³ = 35.315 ft³ |
| Cubic Centimeters | × 1,000,000 | 1 m³ = 1,000,000 cm³ |
| US Gallons | × 264.17 | 1 m³ = 264.17 US gal |
| UK Gallons | × 219.97 | 1 m³ = 219.97 UK gal |
| Cubic Inches | × 61,023.7 | 1 m³ = 61,023.7 in³ |
Converting from Cubic Feet to Cubic Meters
Converting from cubic feet to cubic meters is a common need, especially when working with international measurements or converting between metric and imperial systems.
Conversion Formula
Cubic Meters = Cubic Feet × 0.0283168orCubic Meters = Cubic Feet ÷ 35.315Both formulas give the same result. For example, 100 ft³ = 2.83168 m³.
Converting from Liters to Cubic Meters
Converting from liters to cubic meters is straightforward since both are metric units with a simple relationship.
Conversion Formula
Cubic Meters = Liters ÷ 1,000Since 1 cubic meter = 1,000 liters, you simply divide by 1,000. For example, 5,000 liters = 5 m³.
Practical Applications
This calculator is essential for various real-world applications:
Construction & Building
Calculate material quantities for concrete, soil, sand, gravel, and other construction materials. Essential for international projects using metric measurements.
International Trade
Convert volumes between metric and imperial systems for shipping, logistics, and international commerce. Cubic meters are the standard for international shipping.
Scientific Research
Use cubic meters as the standard SI unit for volume measurements in scientific experiments, environmental studies, and research projects.
Water & Utilities
Calculate water volumes, storage capacities, and utility measurements. Many countries use cubic meters for water billing and consumption tracking.
Need other conversion tools? Check out our area converter and length converter.
Get Custom Calculator for Your PlatformCubic Meter Calculator Examples
Input:
- Length: 5 m
- Width: 3 m
- Height: 2 m
Calculation:
- Volume = Length × Width × Height
- Volume = 5 × 3 × 2
- Volume = 30 m³
Result: 5 m × 3 m × 2 m = 30 m³
This represents 30 cubic meters, equivalent to 30,000 liters or 1,059.45 cubic feet.
Input:
- Volume: 100 ft³
Calculation:
- Cubic Meters = Cubic Feet × 0.0283168
- Cubic Meters = 100 × 0.0283168
- Cubic Meters = 2.83168 m³
Result: 100 ft³ = 2.83168 m³
This is a common conversion for international shipping and construction projects.
Input:
- Volume: 5,000 L
Calculation:
- Cubic Meters = Liters ÷ 1,000
- Cubic Meters = 5,000 ÷ 1,000
- Cubic Meters = 5 m³
Result: 5,000 L = 5 m³
This represents 5 cubic meters, equivalent to 176.58 cubic feet or 1,320.86 US gallons.
1 m³
=
1,000 L
1 m³
=
35.315 ft³
1 m³
=
264.17 US gal
Frequently Asked Questions
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