Cash Register / POS Calculator
Calculate total with tax, apply discounts, and determine change due.
Reconcile your cash drawer at end of day.
Formula
Total = (Subtotal - Discount) x (1 + Tax Rate). Change = Amount Tendered - Total. Expected Cash = Starting Cash + Cash Sales - Refunds - Paid Outs. Over/Short = Actual - Expected.
Frequently Asked Questions
How do I calculate sales tax?
Sales tax = Subtotal (after discounts) x Tax Rate. For example, a $50 item with 8.25% tax: $50 x 0.0825 = $4.13 tax, for a total of $54.13. Apply percentage discounts before calculating tax.
What is a normal over/short tolerance for a cash drawer?
Most businesses consider +/- $1-2 acceptable for daily cash drawer variances. Consistent shortages over $5 may indicate a training issue or theft. Keep a log of all over/short amounts for accountability.
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