Disclosure: This article is written by Shaun McManus, founder of SmartPubTools and creator of the Restaurant Console. All operational claims reflect genuine experience at Teal Farm Pub, Washington.
What Is the Wet/Dry GP Split and Why Does It Matter?
Key Takeaway: “Wet” sales are drinks; “dry” sales are food. They have different GP% targets (drinks 65-75%, food 65-70%), different VAT treatments, and different cost structures. Tracking them separately reveals whether your combined GP% is being dragged down by food or drinks — and tells you exactly where to intervene. Most restaurants only track combined GP% and miss the diagnostic value of the split.
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By Shaun McManus | Last Updated: May 2026
Combined GP% is a useful headline number — but it obscures what is happening underneath. A restaurant running at 62% combined GP% when the target is 65% cannot tell from the headline whether the problem is food margin, drinks margin, or both. Splitting wet and dry sales gives you the diagnostic precision to fix the right thing.
UK Wet and Dry GP% Benchmarks 2026
| Category | Target GP% | Typical cost% | Notes |
|---|---|---|---|
| Dry (food) GP% | 65-70% | 30-35% | Varies by menu mix and portion control |
| Wet (drinks) GP% | 65-75% | 25-35% | Spirits and wine highest; bottled beer lowest |
| Combined GP% | 63-68% | 32-37% | Weighted average of wet and dry mix |
How the Wet/Dry Mix Affects Combined GP%
Because drinks typically carry higher GP% than food, a higher wet sales proportion pushes combined GP% up — and a lower wet proportion pulls it down. This is why food-led restaurants often run lower combined GP% than wet-led venues.
| Wet sales % of revenue | Dry GP% 67% | Wet GP% 72% | Combined GP% |
|---|---|---|---|
| 20% wet / 80% dry | — | — | 68.0% |
| 30% wet / 70% dry | — | — | 68.5% |
| 40% wet / 60% dry | — | — | 69.0% |
| 15% wet / 85% dry | — | — | 67.75% |
A 10 percentage point shift in wet/dry mix (from 20% to 30% drinks) adds approximately 0.5 percentage points to combined GP% — worth £437/week at £8,750/week net revenue. Upselling drinks is not just a revenue play — it improves GP% simultaneously.
How to Calculate Your Wet and Dry GP% Separately
Dry GP% = (Food net revenue − Food cost) ÷ Food net revenue × 100
Wet GP% = (Drinks net revenue − Drinks cost) ÷ Drinks net revenue × 100
To do this you need: total food revenue (ex-VAT), total drinks revenue (ex-VAT), total food cost (from supplier invoices), and total drinks cost (from supplier invoices). Your EPoS system should be able to provide food vs drinks revenue splits. Cross-reference with stock counts for cost.
See the restaurant food cost guide for the dry cost calculation and the restaurant drinks margin guide for the wet cost calculation. The GP% calculator guide covers the combined GP% formula and the VAT trap that causes operators to overstate their margin.
Common Wet/Dry GP% Problems and Their Causes
| Problem | Most likely cause | Fix |
|---|---|---|
| Dry GP% below 65% | Over-portioning, high food waste, menu prices not updated for supplier increases | Portion control audit, food waste log, menu price review |
| Wet GP% below 60% | Drinks under-priced, over-pouring spirits, undeclared stock consumption | Repricing, measured pourers, weekly stock reconciliation |
| Combined GP% declining despite stable wet/dry mix | Supplier cost increases not passed through to menu | Quarterly menu price review against current supplier costs |
| Wet sales % falling over time | Poor upselling, menu visibility, pricing too high | Staff training, menu redesign, price test |
Tracking Wet/Dry Split in Your Weekly P&L
The wet/dry split belongs in your weekly P&L as a standing line. Most operators do not track it because their EPoS does not automatically export it in a usable format — so they calculate combined GP% and lose the diagnostic value. The weekly P&L guide explains how to structure your P&L template to capture both splits.
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The Restaurant Console Sales module tracks food and drinks revenue separately per service — giving you the wet/dry split data needed to calculate separate GP% each week. The Report module shows combined GP% with VAT calculated automatically.
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Frequently Asked Questions
What does wet and dry mean in restaurant sales?
Wet = drinks (alcoholic and soft). Dry = food. Most restaurants are 60-80% dry, 20-40% wet. Higher wet proportion generally improves combined GP%.
Why track wet and dry GP% separately?
Combined GP% masks the problem. A 62% combined GP% could be 68% dry / 42% wet (drinks under-priced) or 57% dry / 72% wet (food cost out of control). The split tells you exactly where to intervene.
What is a good drinks GP% for a restaurant?
65-75% overall. Spirits 75-80%, wine by bottle 72-78%, draught beer 65-72%. Below 60% indicates under-pricing or undeclared stock losses.
What is a good wet to dry sales ratio for a restaurant?
Casual dining: 25-40% wet, 60-75% dry. A declining wet % over time signals upselling problems or menu visibility issues.
How does upselling drinks improve combined GP%?
Drinks carry higher GP% than food, so increasing the drinks proportion of revenue increases combined GP%. A 10-point wet sales shift improves combined GP% by ~0.5 points — worth £44/week at £8,750 net revenue, £2,288/year.
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