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Cash denomination breakdown

Split an amount into the fewest bills and coins, or work out change from a payment.

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Cash denomination breakdown
Paste an amount and this tool works out exactly which bills and coins make it up, using the fewest pieces possible. It is built for cashiers balancing a till, treasurers counting a cash box, or anyone who needs a quick note-and-coin breakdown of a total without doing the arithmetic by hand.
Pick a currency preset — US dollar, euro or British pound — or switch to custom denominations and list your own values (a token count, a chip set, or a currency not built in). "Max pieces per denomination" caps how many of any single note or coin the breakdown may use, the real constraint of a drawer that has run low on fives or quarters; when the cap makes an amount impossible to represent exactly, the leftover is reported as a remainder rather than silently dropped. "Round to the nearest 5 cents" applies cash rounding for currencies with no 1-cent coin, adjusting the total before it is split. Turning on "Compute change" changes what each line means: write "amount due, amount received" and the tool subtracts the two and breaks down the change owed.
Paste one amount per line to process a whole batch at once — a shift's till counts, or transactions to reconcile. Each line is handled independently, so one bad line is flagged in place with a plain message while every other line still gets its breakdown. The result is a plain-text table per line: each denomination, how many pieces, and the running subtotal, followed by the total.
Everything runs in your browser. Amounts and till totals are never uploaded anywhere, which matters for cash-handling records. Copy the result, download it as a .txt file, or send the output back into the input to adjust an amount and recompute.
FAQ
Does it always use the fewest possible bills and coins?
Yes, for the standard currency presets and for a sensible custom set — it always takes the largest denomination that fits before moving to the next.
What happens if a denomination runs out?
Set "Max pieces per denomination" to the number you have on hand. If the amount can no longer be made exactly with what is left, the shortfall is shown as a remainder instead of being hidden.
How does the change calculation work?
Turn on "Compute change" and write each line as "amount due, amount received" — for example "18.40, 20". The tool subtracts the two and breaks down the change owed into bills and coins.
Can I use my own currency or a non-currency set of values?
Yes. Choose "Custom denominations" and list any positive values separated by commas — a coin set the presets don’t cover, a token denomination, or a chip set.
Is my data uploaded anywhere?
No. The breakdown runs entirely in your browser — amounts and till counts never leave your device.