Frae Wikipedia, the free beuk o knawledge

The gallon (abbreviation "gal") is a measur o liquid capacity in baith the US customary units an the Breetish imperial seestems o measurement. Three signeeficantly different sizes are in current uise: the imperial gallon (≈ 4.546 L) which is uised in the Unitit Kinrick, an several Caribbean an Commonweel naitions, the Queen Anne or US gallon (≈ 3.7854 L), uised in the US an the Caribbean kintras, an the least-uised Winchester or US dry gallon (≈ 4.40 L).

Gasoline units in the warld:
  U.S. gallon
  Imperial gallon
  No data