Converter

volume · UK / US · Modern / historical

gallon (Imperial)

gal (Imp)exact
Record
M098
Definition quality
Standardized
Conversion mode
multiplicative
Calculator
Fully calculable

Definition

1 Imperial gallon = exactly 4.54609 L under the modern UK definition.

Reference value

One gallon (Imperial) is equal to 0.00454609 cubic metres.

History & use

The Imperial gallon is divided into 4 quarts, 8 pints, or 160 fluid ounces.

Modern use

Modern-use scope is context-dependent; the website should follow the record's current-status and regional/system labels rather than imply universal use.

Did you know?

It is about 20% larger than the U.S. liquid gallon.

Sources & evidence

Related measurements

volume · International · Modern

Non-SI unit accepted for use with the SI; 1 L = 1 dm³ = 10⁻³ m³.

volume · International · Modern

1 mL = 10^-3 L = 10^-6 m³.

volume · International · Modern

Coherent SI derived unit for volume, equal to metre cubed.

volume · UK / US · Modern / historical

1 U.S. fluid ounce = 1/128 U.S. gallon = 29.5735295625 mL.

volume · UK / US · Modern / historical

1 Imperial fluid ounce = 1/160 Imperial gallon = 28.4130625 mL.

volume · UK / US · Modern / historical

1 U.S. customary cup = 8 U.S. fluid ounces = 236.5882365 mL.

pint (US liquid)

pt (US liq)

volume · UK / US · Modern / historical

1 U.S. liquid pint = 1/8 U.S. gallon = 0.473176473 L.

volume · UK / US · Modern / historical

1 Imperial pint = 1/8 Imperial gallon = 0.56826125 L.