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How to Balance a Till at Close
Manesh Jayawardhana
CIO & Co-founder
The till is 4.40 short. Someone recounts, gets the same figure, and writes it off as a change error.
That is probably right. What matters is whether last week was also short, and the week before, because a pattern of shortfalls in one direction is a different problem from random variance.
Count by denomination
Counting notes and coins into one total is faster and useless when the number is wrong.
A denomination breakdown gives you something to check against. If the total is out by 20, a glance at the note count tells you whether a twenty is missing or whether the error is spread across the coin.
It also makes recounting fast. Recounting a single total means starting from scratch; recounting one denomination that looks wrong takes seconds.
The float comes off before comparison. A till opened with 150 and counted at 758 has taken 608, and comparing 758 against expected takings is the most common arithmetic slip in the process.
variance = (counted cash − float) − expected cash takings
Keep cash and card separate
Card takings reconcile against the terminal’s own report, not against a physical count. Mixing them into one figure hides which channel a discrepancy came from.
A combined variance of 30 could be a cash shortfall, a card transaction that did not settle, a refund processed on the wrong tender, or a manual entry error — and one number does not distinguish them.
Reconciling separately means a cash variance points at the cash handling and a card variance points at the terminal or the till’s tender assignment. Those are investigated in completely different places.
| Tender | Reconciles against |
|---|---|
| Cash | Physical count less float |
| Card | Terminal settlement report |
| Vouchers | Voucher count and their own report |
| Account sales | Ledger, not the till |
The pattern matters more than the day
Any till with human beings and physical money has variance. It should be small and it should be random.
Random small variances in both directions are normal. Change given wrong, a coin dropped, a rounding on a cash sale.
Consistent shortfalls are a process problem. A common cause is a till procedure that lets staff make change from an unlocked drawer between sales, or a product priced in a way that produces frequent awkward change.
Consistent overages are equally worth investigating. They usually mean sales are being rung up wrongly, which is a bigger issue than the cash.
A step change — small variances suddenly becoming larger — has a cause, and the date it started is the most useful piece of information available.
Recording the variance every day, including zero, is what makes any of that visible.
Set a threshold in advance
Deciding what variance triggers an investigation should happen before a variance occurs, not after.
A threshold set in the moment is set relative to how much someone wants to investigate, which is not a standard. A threshold set in advance — an absolute amount, a percentage of takings, or both — is applied consistently.
That also protects staff. A clear rule applied to everyone is fairer than a judgement made each time, and it removes the awkwardness of deciding whether today’s shortfall is worth mentioning.
Count away from the counter
A control that matters as much as the arithmetic.
Cashing up at an open till in a public area invites both error and opportunity. Interruptions cause miscounts, and counting cash in view of customers is a security matter in its own right.
The standard practice is to remove the drawer to a secure back area, count there, and reconcile away from distraction. Where two people are available, one counting and one recording is faster and produces fewer errors than one person doing both.
Separation of duties matters for the same reason. The person counting the cash should ideally not be the person recording the variance, since a system where one person does both has no check in it — which protects staff as much as the business.
Common mistakes to avoid
- Counting a single total with no denomination breakdown.
- Comparing counted cash against takings without deducting the float.
- Reconciling cash and card together.
- Recording only variances above some informal threshold, which destroys the pattern.
- Investigating a single day rather than looking at the trend.
How to do it with Till Reconciliation Sheet
The Till Reconciliation Sheet works by denomination.
- Count by denomination rather than into a single total.
- Deduct the opening float before comparing.
- Reconcile card takings separately against the terminal report.
- Record the variance every day, including zero, and read the pattern.
Other business tools are in the tools directory.
Frequently asked questions
What variance is acceptable?
Small and random in both directions. Set the threshold in advance rather than deciding each time, and treat a consistent direction as a process problem rather than an acceptable level.
Why count by denomination?
Because it makes errors visible and recounting fast. A single total gives you nothing to check against when the figure is wrong.
Should card takings be in the same reconciliation?
Recorded, but separately. Card reconciles against the terminal’s settlement report rather than a physical count, and combining them hides which channel a discrepancy came from.
Final thought
Record the variance every day, including the days it is zero. The pattern is the information, and it only exists if the zeros are in it too.