Why beverage cost deserves its own analysis
Most restaurant owners know their food cost but treat beverages as an afterthought. That is a costly mistake — drinks represent 25-35% of revenue in a full-service restaurant and 60-70% in a cocktail bar. Beverages typically carry higher margins than food, but only if you measure and manage them properly.
The formula is straightforward:
Beverage Cost % = (Cost of drink / Selling price) × 100
For poured drinks (wine by the glass, cocktails, draft beer), first calculate the cost per serving: divide the bottle or keg cost by the number of servings you can pour from it. Then apply the formula above.
Benchmarks by category
Different drink categories have very different cost profiles:
- Espresso coffee: 8-12% — the highest-margin beverage in any restaurant. A 7g dose of quality coffee costs around €0.10, sold at €1.20+.
- Soft drinks & water: 15-20% — stable margins, no portioning variability.
- Wine by the glass: 15-22% — the golden rule is that one glass should cover the cost of the entire bottle. A €5 bottle sold at €5-6 per glass (5 glasses per bottle) yields a 17% beverage cost.
- Wine by the bottle: 28-35% — standard markup is 2.5-3x purchase price. Premium wines use a lower multiplier (2-2.5x).
- Cocktails: 18-25% — with proper jigger portioning and shared ingredients across recipes.
- Draft beer: 25-30% — lower cost than bottled, but factor in foam loss (3-15% depending on skill), keg sediment, and line cleaning waste.
- Bottled beer: 30-35% — no waste but higher purchase cost per liter.
Wine: by the glass vs by the bottle
Wine by the glass is the single most powerful margin lever. A €8 bottle sold at €22 yields €14 margin. The same bottle sold as 5 glasses at €7 each yields €27 margin — nearly double. The risk is open bottles that go unsold and spoil after 2-3 days (extendable with Coravin or vacuum systems).
Build your wine list strategically: 30-40% high-margin labels (FC under 25%), 40-50% mid-range (FC 25-35%), and 10-20% premium labels that attract customers and deliver high absolute margins. Always offer 4-6 wines by the glass, rotating weekly.
Cocktails: standardization is everything
The difference between a 30ml and 45ml pour of gin seems trivial, but across 50 drinks per day it is 750ml of extra gin — roughly €15/day or €450/month in lost margin. Using a jigger for every pour is non-negotiable.
Design your cocktail menu with shared ingredients: if Campari appears in your Negroni, Americano, and Boulevardier, the bottle turns over quickly and nothing expires. Aim for 8-10 cocktails, not 25. Each "off-menu" request carries hidden costs in unique ingredients, bartender time, and pricing errors.
Compare your offerings: a Negroni (three shelf-stable ingredients, 30 seconds to make, ~22% FC) is one of the most efficient cocktails ever invented. A Mojito (fresh lime, fresh mint that perishes quickly, more prep time, ~28% FC) is among the least efficient. Balance your menu accordingly.
The hidden cost nobody tracks: pour variance
The gap between theoretical beverage cost (from recipes) and actual beverage cost (from purchases vs sales) is called "pour variance." In an average bar it runs 3-8% of beverage revenue. The culprits: complimentary drinks not recorded, over-pouring, staff tastings, broken bottles, remade drinks, and drinks offered to friends.
The fix: track every non-sold pour — comps, waste, tastings — with a dedicated button in your POS or management system. If your variance exceeds 5%, you have an operational problem that needs immediate attention.
5 strategies to optimize beverage cost
- Standardize every pour — marked glasses for wine, jiggers for spirits, graduated glasses for draft beer.
- Design a focused cocktail list — 8-10 drinks with shared ingredients and calculated margins.
- Train staff to upsell wine by the glass — it is the highest-margin item on your menu.
- Run strategic happy hours — discount only high-margin drinks (Spritz, draft lager), keeping the discounted FC below 35-40%.
- Weekly open-bottle inventory — compare theoretical vs actual consumption to catch shrinkage early.
BiteBase tracks beverage cost separately from food cost, auto-updates costs when supplier invoices are loaded, and flags pour variance so you always know your real margins — not just the theoretical ones.