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US gallon

US gal exact

US liquid gallon = 231 in^3 = 0.003 785 411 784 m^3 exactly (~20% smaller than the imperial gallon). The bare word 'gallon' is ambiguous; parser defaults to US and labels it (rulebook D.10).

Definition

Dimension
Volume
Symbols
US gal, gal
System
US
Base factor
×0.003785411784
Exactness
exact

Follows from an SI or definitional identity — no material assumption.

Also known as

gallon (US)us gallonsus galusgalgallon usliquid gallon

Sources

Common conversions

for 1 US gal
milliliter3,785.41mL exact
liter3.78541L exact
cubic meter0.00378541 exact
imperial gallon0.832674imp gal exact
barrel0.0238095bbl exact
cubic foot0.133681ft³ exact
Universal Converter

A transparent converter for units, energy, fuels and emissions. Every non-exact result is traceable to its source.

© 2026 Universal Converter · v0.1 — an explanatory reference tool, not a compliance calculator. Sources over invented numbers · exact vs. estimate kept distinct.