How many Cubic Meter (m³) are in one Gallon US (gal)?

1 gal equals 0.003785 m³. Multiply your Gallon US (gal) value by 0.003785 to get Cubic Meter (m³).

How do I convert Gallon US (gal) to Cubic Meter (m³)?

Use the formula m³ = gal × 0.003785. For example, 10 gal = 0.037854 m³.

Koverts/Volume/gal → m³

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Gallon US (gal) to Cubic Meter (m³)

1 gal = 0.003785 m³ · Free instant converter, no signup required.

Direct Answer

1 gal = 0.003785 m³

Formula: m³ = gal × 0.003785. This page supports instant conversion, reference table checks, and related unit links.

About this conversion

This Koverts page converts Gallon US (gal) to Cubic Meter (m³). It uses the same rules as our Volume Converter — reliable Volume conversions, free and instant.

Gallon US (gal) and Cubic Meter (m³) are units used in Volume Converter. Enter a value above to convert Gallon US (gal) into Cubic Meter (m³) using the standard relationship for this category.

Cubic Meter (m³) is the target unit on this page. Results come from Gallon US (gal) using the same rules as the calculator and the reference table below.

Typical uses

Compare Gallon US (gal) and Cubic Meter (m³) for everyday estimates and planning
Use with homework, DIY projects, and hobby measurements
Read international labels, manuals, and product specs with less guesswork
Educational reference only — verify medical, legal, or engineering use with authoritative sources

Formulam³ = gal × 0.003785

Common reference values

1 gal = 0.003785 m³
10 gal = 0.037854 m³
100 gal = 0.378541 m³

Tip: 1 gal equals 0.003785 m³. Multiply your amount by 0.003785 to convert from gal to m³.

Did you know? Koverts keeps conversion math transparent: you see the factor, the table, and the same rules everywhere on the page.

Educational reference - always verify critical measurements (medical, engineering, legal) with primary sources.

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From

Result

0.003785m³

1 gal = 0.003785 m³

Popular conversions

// gallon_us Conversion table cubic_meter

Gallon US (gal) (gal)	Cubic Meter (m³) (m³)
1 gal	0.003785 m³
2 gal	0.007571 m³
5 gal	0.018927 m³
10 gal	0.037854 m³
20 gal	0.075708 m³
25 gal	0.094635 m³
50 gal	0.189271 m³
100 gal	0.378541 m³
250 gal	0.946353 m³
500 gal	1.892705 m³
1000 gal	3.78541 m³

How to convert

Gallon US (gal) → Cubic Meter (m³)

To convert from Gallon US (gal) (gal) to Cubic Meter (m³) (m³)，multiply your value by 0.003785.

m³ = gal × 0.003785

For example，10 gal = 0.037854 m³.

// Frequently Asked Questions

How accurate is this converter?▼

Koverts applies standard conversion relationships for Volume. Always double-check results that affect health, safety, contracts, or compliance.

Can I convert other units in this category?▼

Yes. Open the category page or change the “from” and “to” units in the converter to explore every supported pair.

What is 1 gal in m³?▼

1 gal = 0.003785 m³.

How is the conversion calculated?▼

m³ = gal × 0.003785.

Can I convert other values?▼

Yes. Use the converter box above to enter any value and get instant results.

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c → mL

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qt → mL

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