The Bar  Inventory Guide

By Rob Bruni, founder of OpsEdge Hospitality, twenty years running restaurants, bars, clubs and resorts. Updated November 2026.

Free printable: Bar Inventory Count Night checklist (PDF)

Bar inventory is the count of every bottle, keg and case behind the bar and in the storeroom, done the same way at the same time every week. It is the only way to get a real pour cost, the only way to find out which bottle is leaking, and the single habit that separates bars that make money from bars that wonder where it went. This guide covers how to set up the count sheet, how to count by tenths or by weight, the weekly routine in under an hour, and how to turn the count into usage, variance and orders.

Why count the bar at all

Invoices tell you what arrived. The POS tells you what was rung in. Neither tells you what was poured. The gap between what the POS says you sold and what the shelf says you used is where over-pours, spills, unrung comps and theft live, and the count is the only instrument that measures it.

A bar doing $40,000 a month in beverage sales with a four point gap between theoretical and actual pour cost is losing about $1,600 a month of product. Most bars that have never counted carefully are in that range. The count takes under an hour a week once it is set up.

Setting up: the count sheet

The count sheet is a list of every product you stock, in the order you will walk past it. Build it once, properly, and the weekly count becomes mechanical.

• One line per product and size. A 750 and a liter of the same vodka are two lines, with different costs per bottle.
• Shelf order, not alphabetical. Well, then speed rail, then back bar left to right, then coolers, then storeroom. You count by walking, so the sheet should match the walk.
• Columns: product, size, unit cost (current invoice price), storeroom count (full units), bar count (full units), bar count (partial, in tenths or weight), total units, total value.
• Category tags: liquor, draft, bottled beer, wine, non-alcoholic, so you can report pour cost by category.
• A par column for ordering, covered below.

Keep unit costs current. A count valued at last year's prices gives you last year's pour cost. Update costs from invoices as they arrive, or at least monthly.

How to count: by tenths or by weight

By tenths

Each open bottle is estimated to the nearest tenth: a bottle at the shoulder is 0.8, half is 0.5, the last inch is 0.1. It is fast, needs no equipment, and two trained people will land within a tenth of each other. For a bar with 150 products that is accurate enough to find a four point variance. It is not accurate enough to find a half point one.

By weight

Each open bottle goes on a scale. Subtract the empty bottle weight (tare), divide by the weight per ounce of the liquid (spirits are close to 0.95 ounces of weight per fluid ounce, but the sheet should hold a tare and a density per product), and you have ounces remaining to the pour. It takes a little longer per bottle and needs a $30 kitchen scale and a one-time tare list. It is accurate to the quarter ounce, which means the variance report can point at a single bottle with confidence.

Our recommendation: tenths for the first month to build the habit, then weight for the top 30 products by volume, which is where most of the variance lives, and tenths for the rest.

Draft beer

Weigh kegs, or estimate by lifting if you must. A full half barrel weighs about 160 pounds and an empty about 30, so each pound of liquid is roughly 0.8 pints. Weighing is the only reliable method. Record the keg as a fraction of a full keg.

The weekly routine, under an hour

1. Same day, same time, same person. Monday morning before deliveries and before opening is ideal. Consistency matters more than the day.
2. Receive nothing during the count. If a delivery arrives mid-count, hold it in the office until the count is done.
3. Walk the sheet in order. Storeroom full units first, then the bar full units, then open bottles. Do not skip around.
4. Two people on open bottles if you can. One calls, one writes. It halves the time and the errors.
5. Count every open bottle, including the ugly ones. The dusty liqueur at the back has value and is still product.
6. Enter the counts the same day. A count sitting on a clipboard for three days gets lost or forgotten.
7. Review variance before you order. The count feeds the order. If something is short, find out why before buying more of it.

A 150 product bar counted by tenths with two people takes 35 to 45 minutes. Add 15 minutes for weighing the top 30. Entering and reviewing takes another 15. Under an hour and a half all in, and it drops with practice.

Turning the count into usage and pour cost

Last week's ending count is this week's beginning count. Purchases are every invoice dated in the week. Usage in dollars, divided by beverage sales for the same week, is your actual pour cost, and you can run it by category. The pour cost guide covers the benchmarks for each.

Variance by bottle: finding the leak

Category variance tells you there is a problem. Product variance tells you where. Pull the POS product mix for the week, convert every drink sold to ounces of each product using your recipe specs, and compare it to the ounces the count says you used. Sort by dollar variance, biggest first.

• The well spirits and the top call brands are almost always at the top of the list, simply because they move the most. A 7 percent variance on house vodka is more dollars than a 30 percent variance on a liqueur that sells twice a week.
• A product with consistently high variance and no recipe explanation is being over-poured or given away. Spot-check pours on that product for a week.
• Variance that spikes on one day lines up with a shift. Look at who was behind the bar and at the void and comp report for that shift.
• Negative variance (you used less than you sold) means a recipe spec is wrong, a product is being substituted, or drinks are being rung but short-poured. All three are worth knowing.

Aim for total variance under 2 percent of beverage cost. Most bars that start counting are between 4 and 8 percent and get under 3 within two months, mostly because counting changes behaviour before it changes anything else.

Pars and ordering from the count

A par is the quantity of a product you need on hand to get to the next delivery with a small buffer. Set it from usage: average weekly usage, times the number of weeks between deliveries, plus a 20 to 30 percent buffer for a busy week. The order is simply par minus what the count says you have.

Ordering from pars instead of from habit does two things. It stops the storeroom from filling with slow movers that tie up cash and eventually break or spoil, and it makes stock-outs of fast movers rare, because the par is built from how fast they actually move. Review pars quarterly and whenever the menu changes.

Mistakes that make counts useless

• Counting on different days. A Monday count one week and a Thursday count the next makes usage meaningless.
• Stale unit costs. The dollars are wrong, so the pour cost is wrong.
• Skipping the storeroom or the second bar. Product that is not counted looks like product that was used.
• Not recording transfers. Bottles moved from the main bar to the patio bar or the kitchen for cooking must be logged or they appear as variance.
• Letting the bartenders count their own bar alone. It is not about trust. It is that the count is the control, and a control checked by the person it controls is not one.
• Counting without reviewing. A count that is entered and never compared to sales is an hour wasted every week.
• Chasing a half-point variance with tenths. Tenths are not that accurate. Weigh the top products before you accuse anyone of anything.

Our Bar Inventory Spreadsheet and Bar Manager Bundle hold the count sheet, usage calculations, variance report and par ordering in one workbook. The Prime Cost System page covers the help available when you want the first count and variance report built with you.

Related guides and tools

FAQ