How do I convert mm³ to gal?

Use the formula shown above or enter a value to see mm³ converted to gal instantly.

What is the formula for mm³ to gal?

The converter calculates gal by applying the category-specific conversion factor for Volume.

When should I use mm³ vs gal?

mm³ and gal are both part of the Volume category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Volume Converter & Liquid Reference

Convert mm³ to gal

Use the live converter below to translate between Cubic Millimeter (mm³) and Gallon (US) (gal). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

mm³ → gal

Cubic Millimeter

mm³

Gallon (US)

gal

Rounded result (4 decimals max)

Formula

1 mm³ = 0 gal

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

Results update as you type. Swap the direction to convert back from gal to mm³.

Back to main converter

mm³ to gal quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Cubic Millimeter (mm³)	Gallon (US) (gal)
0.25 mm³	6.6043×10^-8 gal
0.5 mm³	0 gal
1 mm³	0 gal
2 mm³	0 gal
5 mm³	0 gal
10 mm³	0 gal
25 mm³	0 gal
100 mm³	0 gal

gal back to mm³

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Gallon (US) (gal)	Cubic Millimeter (mm³)
0.25 gal	946,352.946 mm³
0.5 gal	1,892,705.892 mm³
1 gal	3,785,411.784 mm³
2 gal	7,570,823.568 mm³
5 gal	18,927,058.92 mm³
10 gal	37,854,117.84 mm³
25 gal	94,635,294.6 mm³
100 gal	378,541,178.4 mm³

Explore more volume converter & liquid reference

mm³ → mL

Convert into Milliliter without leaving SwapUnits.

mm³ → cm³

Convert into Cubic Centimeter without leaving SwapUnits.

mm³ → L

Convert into Liter without leaving SwapUnits.

mm³ → ft³

Convert into Cubic Foot without leaving SwapUnits.

mm³ → m³

Convert into Cubic Meter without leaving SwapUnits.

Compare all volume converter & liquid reference

View the full unit roster, charts, and tips for Volume Converter & Liquid Reference conversions.

Open category guide