Dr. Paul Borosky, DBA, MBA
Business Plan Writer · Business Consultant
How Much Cash Should a Restaurant Keep in Reserve? Pay for the Emergency Before It Happens
A good month makes the bank balance look like spending money. Then the compressor dies, January shows up, and the money is gone.
Written by Dr. Paul Borosky, DBA, MBA
The Definition
What Is a Restaurant Cash Reserve?
A restaurant cash reserve is cash set aside in a separate account to cover emergencies, seasonal slowdowns, and unexpected expenses without disrupting operations. It is commonly sized as a number of months of cash overhead, the fixed operating costs the business must pay regardless of sales.
Reserve target = months of cover × monthly cash overhead
“Overhead is what you owe every month whether the line is out the door or the door never opens. A reserve is a few months of that, put somewhere you cannot spend it on a whim. It is not idle money. It is the next emergency, already paid for.”
Need the answer fast? Read the gold Short Answer boxes and the numbered steps. Want the full picture? Follow Peppy the parrot, who runs a bright red, yellow, and blue ice cream and funnel cake cart, from Dr. Paul’s Fabled Forest, as a great summer turns into a long, cold winter. The story shows up in a few short gold notes along the way. The math sits in one section, clearly marked.
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Start learning →From Dr. Paul’s Fabled Forest
Meet Peppy: The Summer Spree
Some lessons stick better as a story. Dr. Paul’s Fabled Forest is his business school told through a forest full of small business owners. Doctor Owl, a dry-witted consultant who lives in the Lone Oak, helps them fix the same problems real owners face. Today he hears Peppy before he sees him. Peppy the parrot runs a bright ice cream and funnel cake cart, and he has just had the best summer of his life.
PEPPY: (flapping in a circle) Doctor Owl! Doctor Owl! Look! A new cart umbrella! And a second freezer! And a sign that lights up!
DOCTOR OWL: Good summer, then.
PEPPY: The best! You said reinvest in the business. I reinvested everything!
DOCTOR OWL: And when the snow comes, Peppy, who buys ice cream?
Peppy stops flapping.
PEPPY: Nobody. Nobody buys ice cream in the snow.
DOCTOR OWL: And the cart permit? The freezer payments? The rent on your spot?
PEPPY: (very quietly) Those come in the snow too?
DOCTOR OWL: Every month. Rain, snow, or sunshine.
An original Fabled Forest moment. Similar stories about Doctor Owl and the forest’s owners are in Accounting and Finance for Small Businesses, Book 2 of Dr. Paul’s Fabled Forest Business School.
Peppy has a decision to make. Keep reading. You’ll see what he does, and why it works for your restaurant too.
Similar stories in Accounting and Finance for Small BusinessesDr. Paul’s Fabled Forest Business School, Book 2 See the Books →
The Floor
What Is the Minimum Cash a Restaurant Should Have?
Start with the floor: the lowest your operating account should ever go. Below it, one surprise means a missed payroll or a late rent check.
- 1
Add up a month of overhead
Rent, utilities, insurance, managers, your salary, loan interest, and the rest of the bills that do not change with sales.
- 2
Leave out what moves with sales
Food and hourly labor rise and fall with the business. Leave them out.
- 3
Leave out depreciation
It is a real cost, but nobody writes a check for it.
- 4
Add loan principal
It is not an expense, but it still leaves the account every month.
Peppy counted the summer. He never counted what the winter would cost him, month by month, with no sales coming in.
Show the Math
How Big Should a Restaurant Reserve Be?
Here is how a busy full-service restaurant might size its reserve. Illustration numbers only.
| Line | Amount |
|---|---|
| Overhead for the year | $476,100 |
| Less depreciation (no check written) | ($43,400) |
| Plus interest on the loans | $21,000 |
| Cash overhead for the year | $453,700 |
| Cash overhead per month (the floor) | About $37,800 |
| Reserve target: two months of cash overhead | About $75,600 |
One month covers a slow season. The second covers the thing nobody planned for: a dead compressor, a burst pipe, a road closure in front of the restaurant. Restaurants are full of things nobody plans for.
One more test: take the sales tax, tips, and gift cards you are holding for others out of your balance. What is left is your real cushion.
Build It
How Do You Build a Restaurant Cash Reserve?
Nobody builds a reserve with “whatever is left at the end of the month.” There is never anything left at the end of the month.
- 1
Move a small percent of every deposit automatically
Small enough the restaurant does not notice. Steady enough that it adds up.
Peppy’s FixPeppy set a little aside from every summer sale into a winter jar at the First Bank. He named the jar “Snow.”
- 2
Keep it in its own account
Not the operating account, where it looks like spending money.
- 3
Make it a little hard to reach
Somewhere you can move it in a day, but not with a tap on your phone at midnight.
- 4
Keep it safe, not invested
Its job is to be there, not to grow.
- 5
Pay it back first
When you use it in a slow month, rebuild it before anything else.
From Dr. Paul’s Work as a Business Consultant
What a Business Consultant Asks About Reserves
Ask most restaurant owners how much cash they have and they will read you the bank balance. Ask how much of it is really theirs, after taxes, tips, and gift cards, and the room gets quiet.
When Dr. Paul works with an owner on cash, the reserve is set up as an automatic transfer before anything else is decided. Habits beat intentions.
A reserve is not money sitting still. It is the walk-in that dies on a Saturday, already paid for.
From Dr. Paul’s Fabled Forest
What Peppy Did Next
The snow came in the eleventh month, the way it always does. Peppy’s cart sat under a tarp.
PEPPY: (landing on the Lone Oak railing) Doctor Owl! The permit came. And the freezer payment. And the rent on my spot.
DOCTOR OWL: And?
PEPPY: (puffing up) And I paid them. From the Snow jar. I didn’t even panic.
DOCTOR OWL: And the light-up sign?
PEPPY: It’s very pretty in the snow. Nobody sees it. Next summer, I save first, then buy the shiny things.
The lesson for your restaurant: Set your floor, size your reserve in months of overhead, and fill it automatically with every deposit, before the good month talks you into spending it.
In Your Business Plan
How Does a Cash Reserve Go in Your Business Plan?
Lenders like owners who plan for bad months. Show it. Related guides: What Does It Cost to Open a Second Restaurant? and How Do You Get Funding to Open a Restaurant?.
- 1
Show working cash at opening
Money in the bank on day one, separate from equipment.
- 2
Show a reserve target
In months of cash overhead.
- 3
Show how you will build it
A percent of deposits, automatically.
- 4
Show the slow season
Which months are thin, and how the reserve covers them.
This is one piece of the full plan. See How to Write a Restaurant Business Plan for every section, start to finish.
Want a cash plan that holds up in the slow season?Dr. Paul works with restaurant owners on reserves, forecasts, and the habits that keep cash in the bank.
Questions
Restaurant Cash Reserve Questions
How much cash reserve should a restaurant have?
A common target is a few months of cash overhead, the fixed bills you owe regardless of sales. Many restaurants start with one month as a floor and build toward more.
Where should a restaurant keep its reserve?
In a separate, safe account that you can reach within a day but not on impulse. Keep it apart from your operating and sales tax accounts.
How do I build a cash reserve with thin margins?
Move a small percent of every deposit into the reserve automatically. Small, steady transfers add up faster than leftovers ever will.
Beginner’s Guide to Restaurant Financial Statements and Financial Ratios
How much cash to keep, where to keep it, and how to build it without starving the business.