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About this tool
Split a shared cart or restaurant bill line by line — equally, by percentage, by quantity or by exact amount — apportion tax and delivery fairly, and settle up in the fewest transfers.
Cart Bill Splitter divides a shared bill line by line rather than by head count: each item can be split equally, by percentage, by quantity of units, or by an exact typed amount, and shared charges like tax and delivery are then apportioned in proportion to what each person actually ordered. It is for flatmates splitting a grocery order and for tables where three people shared the starters and one drank all the wine. The settlement step uses greedy cash-flow minimisation, which clears any group in at most n − 1 transfers.
Open Cart Bill Splitter on AltFTool — it loads instantly in your browser.
Add everyone under Participants, typing each Name and the amount they Paid, then start the bill with Add Item under Cart Items.
Give each line an Item Price and a Split Method — Equal Split, Percentage, Quantity or Exact Amount — tap the Owners buttons to choose who shares it, and add tax or delivery under Taxes & Fees.
Individual Breakdown shows each person's share with the shared charges apportioned by subtotal, and Settlement Roadmap lists who pays whom; its copy button writes a Bill Settlement Summary to the clipboard.
Equal, percentage, quantity or exact amount — chosen per item, not once for the whole bill.
Shared charges follow each person's item subtotal, so someone who ordered ₹200 of a ₹1,000 bill pays 20% of the tax, not 25% because there were four people.
The largest debtor is matched to the largest creditor repeatedly, so a group of five settles in at most four payments instead of twenty.
In proportion to what each person ordered, which is what this tool does. On a ₹1,000 order with 5% tax, someone whose items came to ₹200 pays ₹10 of the ₹50, not ₹12.50. Splitting shared charges per head overcharges the person who ordered least — the standard fix is to apportion by subtotal.
n − 1 for a group of n, and often fewer. The tool computes each person's balance (paid minus owed), then repeatedly sends the biggest debtor's money to the biggest creditor. Three friends where one paid for everything settle in two transfers; nobody pays anybody twice.
Yes — the split mode is per line, not per bill. Set the shared pizza to equal, the bottle of wine to exact amounts, and a bulk pack to quantity so someone taking 2 of 3 units pays two-thirds of it. Percentage mode handles cases like a 70/30 split on a shared subscription.
No. People, items, charges and the chosen currency are kept in your browser's localStorage and the whole calculation runs in the page. Closing the tab keeps the bill on that device only; there is no account and no server copy.
Add the Cart Bill Splitter widget to your blog or website — free, responsive, no signup. Just keep the “Widget by AltFTool” credit link visible.
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