What is the Difference Between Bourbon, Whiskey, and Scotch?

Daniel Ganninger
Knowledge Stew
Published in
4 min readJun 16, 2021

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To put it in straightforward terms to start, so no one gets lost, is bourbon is always whiskey. On the other hand, whiskey is not always bourbon, and scotch is a whiskey produced in Scotland (and spelled whisky). Are you confused yet?

Bourbon must be distilled under government standards. By law, bourbon must be produced in the United States, made of a grain mix of at least 51% corn, distilled to less than 160 proof (80% alcohol), it can’t have any additives except for water, it must be aged in charred, white oak barrels, and aged for a minimum of two years to be called “straight” bourbon.

Whiskey can age in reused barrels, but bourbon must use new, charred, American white oak barrels. Bourbons can use malted barley, rye, or wheat, but they must use corn as the primary grain. This is the main way that distinguishes bourbon from whiskey. On a side note, Kentucky bourbon must be distilled in Kentucky to use that name.

Whiskey Distillery Stills

Whiskey is fermented from a grain mash. This is what distinguishes it from a brandy that uses grapes or some other type of fruit. Think of whiskey like a distilled beer. The process is similar, but whiskey makers…

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Daniel Ganninger
Knowledge Stew

The writer, editor, and chief lackey of Knowledge Stew and the Knowledge Stew line of trivia books. Connect at knowledgestew.com and danielganninger.com