September 14, 2026 · 4 min read
Petty Cash: The Small Expenses That Quietly Disappear From Your Books
Every small business has a version of the same drawer: a little cash set aside for the stuff that comes up mid-shift. Tape for a box. Parking for a supply run. A tip for the delivery guy. A last-minute part from the hardware store down the street.
None of it feels big enough to log. Most of it never gets written down at all. And most of it comes straight out of the cash in the drawer, which means your recorded sales and your actual cash stop matching for reasons nobody can quite explain later.
Why petty cash is easy to lose track of
It's not one big leak — it's a dozen small ones, and that's exactly what makes it hard to catch.
Each purchase is too small to bother with. $4 for coffee filters doesn't feel worth a receipt or a note. But five or six of those in a week is real money that's left the business with no record of where it went.
It's paid differently than everything else. Your regular expenses might come out of a business card or a bill you pay monthly. Petty cash comes out of whatever's in the drawer, in the moment, which puts it outside your normal habit of recording expenses.
It breaks your daily cash count. If you're doing an end-of-day close and the cash on hand doesn't match what your sales say it should, an unlogged petty cash purchase is one of the most common reasons — and one of the hardest to reconstruct after the fact.
A simple way to keep it visible
You don't need a formal petty cash box with a ledger and a lock to fix this — most small businesses just need one habit.
- Every time cash leaves the drawer for a purchase, write it down before you forget. A sticky note, a phone note, a scrap of receipt paper by the register — the format doesn't matter, only that it happens in the moment, not "later."
- At close, turn those notes into logged expenses. This is the same five minutes you're already spending counting the drawer — fold petty cash into that routine instead of treating it separately.
- Ask if it was actually necessary. Small recurring petty cash items — the same supply run every week, say — are worth a second look. If it's regular, it might be cheaper and easier to buy it properly instead of piecemeal.
- Keep the amount in the drawer small and fixed. If you always start the day with, say, $50 in petty cash and count what's left at close, any gap between what should be left and what's actually there shows up immediately, instead of blending into the rest of the day's cash.
Small amounts, real total
None of this is about a $4 purchase mattering on its own. It's about what happens when a dozen small, unlogged purchases a week turn into hundreds of dollars a year that never shows up as an expense anywhere — which quietly overstates your profit and makes your cash position harder to trust.
If you're already logging sales and expenses as they happen, petty cash isn't a separate system — it's just another entry. Clovemi's Expenses tracking works the same way whether it's a supplier invoice or four dollars for coffee filters, and the Daily Close shows you right away if the cash on hand doesn't match what's been recorded, so a missed petty cash purchase gets caught the same day instead of becoming a mystery weeks later.
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