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Average Check Size Calculator

Enter your total sales and the number of checks.

How it is calculated

You enter total sales for a period in dollars and the number of checks (bills, receipts or transactions) rung up in the same period. The tool divides one by the other: average check = total sales ÷ number of checks. It shows the average check in dollars, the sales total you entered and the check count as a whole number. The number of checks must be at least 1 and sales cannot be negative, otherwise there is no result; a fractional check count below 1 is rejected too. What counts as a check is up to you: a table bill in a restaurant, a till receipt in a shop. The tool is a plain division and does not adjust for tax, tips or refunds unless you have already included or removed them in the sales figure.

Worked example

A restaurant took $21,384 in sales over one week and printed 612 checks. Average check: 21,384 ÷ 612 = $34.94 (34.9412 rounded to cents). A quick check: 612 checks × $34.94 is about $21,383, which matches the weekly total to within rounding. If an upselling push lifted the average by $2 across the same 612 checks, weekly sales would rise by about $1,224.

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Common mistakes

  • Dividing by the number of guests instead of checks. A table of four with one bill is one check; dividing by guests gives per-head spend, which is a different figure.
  • Using sales for one period and checks from another, such as monthly sales with a weekly check count. The ratio will be wrong by the ratio of the periods.
  • Mixing tax-inclusive sales with a target based on net sales. Decide once whether tax and tips are in the total and keep that rule.
  • Counting split bills as separate checks in one report and as one check in another. Split payments change the check count and so change the average even when nothing was sold differently.
  • Including voided or refunded checks in the count while their sales are already removed, which drags the average down.

About this calculator

Average check size (also called average ticket or average transaction value) divides a business's total sales over a period by the number of checks, receipts, or transactions rung up, giving the typical amount a customer spends per visit. This calculator performs that straightforward division for you.

It's one of the most-watched metrics in restaurants, bars, and retail, because it's a direct lever on revenue independent of foot traffic — managers track it to measure whether upselling, menu changes, or combo promotions are working, and compare it against labor and food cost percentages to judge overall profitability per table or per customer served.

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Comments (1)

  • Editorial team

    The count you divide by shapes the average more than the sales do. 21384 over 612 checks gives 34.94, but if the same sales were rung up as 1224 checks because bills were split, the average drops to 17.47 with nothing sold differently. Pick one rule for what counts as a check and keep it from month to month. How does your point-of-sale system handle split bills?

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