Admiral → Challenger
last-resort matchUse 1.88× the weight for the same bitterness
alpha acids 14.6% → 7.75% · 0% aroma match
- Loses
- Orange, Tea, Fresh, Pine, Citrus, Resin, Herbal
- Adds
- Cedar, Green, Fruity
Proven alternatives to Admiral and hops with a similar aroma profile. Pick by availability, price or country of origin.

Challenger

Northdown

Target
Bitterness scales with alpha acid times weight, so for bittering additions rescale the weight by the alpha ratio — the multiplier for each substitute is given below. For late, whirlpool and dry-hop additions dose 1:1 by weight and go by aroma instead, because alpha acids do not drive those.
Use 1.88× the weight for the same bitterness
alpha acids 14.6% → 7.75% · 0% aroma match
Use 1.72× the weight for the same bitterness
alpha acids 14.6% → 8.5% · 14% aroma match
Use 1.33× the weight for the same bitterness
alpha acids 14.6% → 11% · 14% aroma match
Apollo
Idaho 7
Zenia
Look for similar alpha acid content (within 2%) and overlapping aroma notes. The more shared notes, the safer the swap.