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🥃 American Malt Whisky

Spirit drink ✔ Checked: 10.2026 · sources: 4 Updated:

US whisky type under the federal standard: mash of at least 51% malted barley, distilled to up to 80% ABV, aged in new charred oak barrels, bottled at 40% ABV or more.

American malt whisky is a US whisky type under the federal standard: a mash of at least 51% malted barley, distilled to up to 80% ABV, aged in new charred oak barrels and bottled at 40% ABV or more. It is not the same as American single malt, which requires 100% malted barley and a single distillery.

Rules. The type is described in Table 1 of 27 CFR § 5.143, alongside bourbon and rye whisky. Spirit is entered into the barrel at no more than 62.5% ABV (125 proof). Neutral spirit is not allowed, while colouring, flavouring and blending materials permitted by the standard may be added. Unqualified "malt" means barley malt; whisky made from rye malt is a separate type, rye malt whisky.

Aging. The standard sets no minimum time for ordinary malt whisky. If the whisky has spent at least two years in new charred barrels, it may be labelled straight malt whisky, and then no additives are allowed. A similar spirit aged in used barrels has a different name: whisky distilled from malt mash.

Difference from single malt. From 19 January 2025, the US has a separate type, American single malt whisky: 100% malted barley, one distillery, oak barrels of up to 700 litres, new or used. TTB ruling T.D. TTB-199 explains that blends made under the malt whisky standard may be labelled American blended malt whisky, but not single malt.

Why this matters to you. The words "malt whisky" on an American bottle mean only a majority of malt in the mash, not 100%. If these requirements matter to you, look for "straight" (at least two years, no additives) or "American single malt". New charred barrels are the same requirement as for bourbon. The WHO reminds us that no level of alcohol consumption is safe.

Facts

Legal basis27 CFR § 5.143, Table 1 (USA)
Raw materialmash of at least 51% malted barley
Distillation methodup to 80% ABV (160 proof)
Cask typenew charred oak barrels; filling at up to 62.5% ABV (125 proof)
Minimum maturationno minimum set; straight malt whisky — from 2 years
Alcohol (% vol.)from 40% ABV at bottling
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How it connects to Spirits

🥃 American Malt Whisky → kind of → 🥃 Whisky → kind of → 🥃 Spirits

Frequently asked questions

Is American malt whisky the same as single malt?

No. Malt whisky needs only 51% malted barley and new charred barrels; American single malt needs 100% malt, one distillery and barrels of up to 700 litres.

How much malt must the mash contain?

At least 51% malted barley (27 CFR § 5.143, Table 1).

What barrels are used for ageing?

Only new charred oak barrels; the spirit must be entered at no more than 62.5% ABV.

What does straight malt whisky mean?

Malt whisky aged at least 2 years in new charred oak barrels, with no colouring, flavouring or blending materials.

Can rye malt whisky be called this way?

No. Unqualified "malt" means barley malt; whisky made from rye malt is a separate type, rye malt whisky.

What to read next

  • 🍷 Alcohol and health — Alcohol in any drink is harmful in large amounts, and the risks grow with the quantity.
  • 🍷 Ethanol — The alcohol formed during fermentation that makes you drunk.
  • 🥃 Single Malt Scotch Whisky — Scotch from a single distillery: only malted barley, water and copper pot stills; at least 3 years in oak, 40% vol. or more.
  • 🌍 North America — US and Canada: 9.5 million US cows gave 232 billion lb of milk (2025); Wisconsin makes a quarter of US cheese; Canada runs on dairy quotas.
  • 🧑‍🤝‍🧑 Americans — The people of the United States in North America, descendants of settlers and Native peoples; their home-grown cheese is California's Monterey Jack.

Similar

🥃 American single malt whisky · 🥃 Corn whiskey · 🥃 Straight rye whiskey · 🥃 Straight bourbon whiskey · 🥃 Bourbon whiskey · 🥃 Irish Single Malt Whiskey

⚠️ Spirit drinks contain alcohol and are for adults only. Alcohol harms health. Do not drink during pregnancy or before driving; check the label for ingredients and possible allergens.

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