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    Volume Conversion

    Cubic Meter to Gallon (US) Converter

    Quick answer

    To convert Cubic Meters to Gallon (US)s, multiply by 264.1720523581 (or divide by 0.0037854118). Therefore, 1 Cubic Meter (m³) equals 264.17205236 Gallon (US)s (gal).

    Formula: gal = m³ × 264.1720523581. Worked example: 10 m³ = 2,641.720524 gal.

    Convert Cubic Meter (m³) to Gallon (US) (gal) online with our free unit converter. In volume, 1 m³ = 264.172052 gal. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.

    Worked example: converting Cubic Meter to Gallon (US)

    1. Step 1 — start with the formula. gal = m³ × 264.1720523581
    2. Step 2 — substitute your figure. 10 m³ × 264.1720523581
    3. Step 3 — read the result. 10 m³ = 2,641.720524 gal
    4. Step 4 — check it in reverse. m³ = gal × 0.0037854118 returns Invalid m³, which matches the figure you started with.

    Volume Converter

    40 units available

    Decimals:
    264.172052

    1 m³ = 264.172052 gal

    Formula:

    gal = m³ × 264.1720523581

    With your value: 1 m³ = 264.17205236 gal

    How big is that?

    Everyday references on a logarithmic scale, all expressed in cubic meter so you can sanity-check the result.

    Milk carton (1/1.0e+6 your value)0.00000100 m³
    Kitchen bucket (1/1.0e+5 your value)0.0000100 m³
    Car fuel tank (1/2.0e+4 your value)0.0000500 m³
    Bathtub (1/5.0e+3 your value)0.000200 m³
    Hot tub (1/6.7e+2 your value)0.00150 m³
    Your value1.00 m³

    Other Cubic Meter to Gallon (US) conversions

    2 m³ to gal3 m³ to gal4 m³ to gal5 m³ to gal6 m³ to gal7 m³ to gal8 m³ to gal

    Cubic Meter to Gallon (US) Conversion Table

    Cubic Meter (m³)Gallon (US) (gal)
    0.5132.086026
    1264.172052
    2528.344105
    51,320.860262
    102,641.720524
    153,962.580785
    205,283.441047
    256,604.301309
    5013,208.602618
    10026,417.205236
    25066,043.01309
    500132,086.026179
    1000264,172.052358

    Gallon (US) to Cubic Meter Conversion Table

    Gallon (US) (gal)Cubic Meter (m³)
    0.50.001893
    10.003785
    20.007571
    50.018927
    100.037854
    150.056781
    200.075708
    250.094635
    500.189271
    1000.378541
    2500.946353
    5001.892706
    10003.785412

    Where these values come from

    Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

    Cubic Meter (m³)

    Volume

    Exact conversion

    Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

    Source: NIST Special Publication 811, Guide for the Use of the International System of Units

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    Gallon (US) (gal)

    Volume

    Exact conversion

    The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

    Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

    National Institute of Standards and Technology (US) · Reviewed 2026-07-01

    How to Convert Cubic Meter to Gallon (US)

    To convert from Cubic Meter (m³) to Gallon (US) (gal), multiply the value by 264.1720523581.

    Formula: gal = m³ × 264.1720523581

    Reverse: m³ = gal × 0.0037854118

    Step-by-Step Example

    1. Start with your value in Cubic Meter. For example: 5 m³
    2. Multiply by the conversion factor: 5 x 264.1720523581
    3. The result is: 1,320.860262 gal

    Cubic Meter and Gallon (US) Relationship

    This conversion bridges the Metric (SI) and US Customary / Imperial measurement systems, commonly required when translating scientific data, international engineering specifications, or trade standards. Since 1 Cubic Meter equals approximately 264.1721 Gallon (US)s, the Cubic Meter represents a larger unit interval than the Gallon (US). Understanding the relationship between Cubic Meter and Gallon (US) is essential for accurate calculations in physics, engineering, commerce, and daily applications.

    About Cubic Meter

    The cubic meter is the SI unit of volume, equal to 1,000 liters. It is used for large-volume measurements.

    Common uses of Cubic Meter: construction, water usage, shipping.

    About Gallon (US)

    The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

    Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.

    Common uses of Gallon (US): fuel (US), beverages, swimming pools.

    Frequently Asked Questions

    How many Gallon (US)s are in 1 Cubic Meter?
    There are exactly 264.1720523581 Gallon (US)s in 1 Cubic Meter. This means the conversion factor from Cubic Meter to Gallon (US) is 264.1720523581.
    What is the formula to convert Cubic Meter to Gallon (US)?
    The formula to convert Cubic Meter to Gallon (US) is: gal = m³ × 264.1720523581. For example, to convert 10 Cubic Meters to Gallon (US)s, you would multiply 10 by 264.1720523581.
    What is a Cubic Meter?
    The cubic meter is the SI unit of volume, equal to 1,000 liters. It is used for large-volume measurements.
    What is a Gallon (US)?
    The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.
    What are the common uses of Cubic Meter?
    The Cubic Meter is commonly used in construction, water usage, shipping.

    Related Volume Conversions

    Liter → Gallon (US)Milliliter → Gallon (US)Microliter → Gallon (US)Kiloliter → Gallon (US)Cubic Meter → LiterCubic Meter → MilliliterCubic Meter → MicroliterCubic Meter → KiloliterCubic Meter → Cubic Centimeter

    Cite this page

    UnitConvertLab. (2026). Cubic Meter to Gallon (US) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/cubic_meter-to-gallon_us