Restaurant Bill Splitter (Per-Item)
Per-person itemised bill split. Each person tags their items; shared items split among taggers. Tax + tip allocated proportionally. Free.
Restaurant Bill Splitter (per-item)
Split a restaurant bill PER-ITEM rather than evenly. Add people, then add items and tag who shared each item. Tax + tip are allocated proportionally to each person's subtotal. Use this when some ordered more than others; use the even split tool when everyone shared equally.
👥 People
🍽 Items
Per-person breakdown
| Person | Subtotal | Total (incl. tax + tip) |
|---|
How to Use the Per-Item Bill Splitter
Add everyone in the group
Click "Add person" and type each name. The tool starts with 4 placeholder names — edit them or remove and add your own.
Add each item from the bill
Name + price for each menu item. The default behaviour: each item is tagged to everyone (shared). Untag people who didn't have that item.
Tag who shared each item
Most items: tag only the person who ordered it. Shared appetisers, bottles of wine, desserts: tag everyone who had some. The tool splits each item evenly among its taggers.
Set tax + tip; read per-person totals
Tax + tip are allocated proportionally to each person's subtotal. A person who ordered more pays more tax + tip; a person who only had a salad pays less. The result is the fairest possible split.
Per-Item vs Even Splitting — When Each Works
The Fairness Problem in Group Dining
Group dining produces a recurring fairness problem: some people order USD 50 steaks, others order USD 14 salads. Splitting evenly (total ÷ N) means the salad-orderers subsidise the steak-orderers — fine for friends, awkward for casual acquaintances, structurally unfair for very-mixed groups. The per-item approach divides each item among only the people who consumed it, with shared items (appetisers, wine bottles, desserts) split among everyone who actually shared them. Tax and tip get allocated proportionally — the person spending more pays more tip in absolute dollars, but the same tip percentage.
A 2023 OpenTable survey found 40% of US diners prefer per-item splitting for mixed-order groups, but only 15% actually do it because the math is painful manually. Apps like Tab (acquired by Plaid), Splitwise, and Splid have automated this since 2015, but adoption remains low. Most groups still default to even-split via Venmo because the math friction outweighs the unfairness for the 5-20 dollar typical gap.
When to Use Per-Item vs Even Split
Per-item is right when: the order spread is wide (USD 15 to USD 50), the group is casual (work colleagues, first-time friends), or the bill is large enough that the unfairness matters (USD 200+ total). Even split is right when: orders are similar in price, the group is close (long-term friends, family), or the bill is small enough that the gap doesn't matter (under USD 100). Many groups switch approaches by context — close friends even-split everything, but per-item-split mixed work groups.
The hybrid approach: per-item for the food, even-split for shared items (one big bottle of wine, shared appetisers). Most groups do this implicitly already; this tool formalises it by letting you tag specific items to specific people while leaving shared items tagged to everyone.
"The structurally fairest dining-bill split is per-item with proportional tax + tip. A person ordering USD 50 worth pays USD 50 + proportional tax + proportional tip; a person ordering USD 14 pays USD 14 + proportional tax + proportional tip. No subsidising."
Apps and Tools for Group Dining
The dominant US apps for group expense management are Splitwise (free; ad-supported; cross-platform), Splid (paid; iOS-first), and Tab (defunct after Plaid acquisition, but its UX shaped many successors). These apps handle multi-trip group expense tracking — useful for travel groups and roommates, less critical for single-dinner splits. For one-off restaurant scenarios, a calculator like this tool plus Venmo / Cash App for actual money transfer is the lowest-friction path. The bigger group dynamic question is usually deciding which mechanism to use BEFORE the bill arrives, not after.
Why Proportional Tax and Tip Beat Flat Allocation
A subtle math trap: some splitters allocate tax and tip as a flat per-person amount (total tax ÷ N, total tip ÷ N) even when food costs vary widely. That is mathematically wrong. Tax is charged as a percentage of the subtotal, so a person ordering USD 50 of food generates roughly 3.6× the tax of a person ordering USD 14 — and they should pay that 3.6× share, not an equal share. The same applies to tip when it is calculated as a percentage of the subtotal (the US norm). Proportional allocation preserves the fairness property: every dollar spent at the table carries the same tax-and-tip multiplier, regardless of who spent it.
10 Facts About Group Dining Splits
A 2023 OpenTable survey found 40% of US diners prefer per-item splitting for mixed-order groups.
Most US restaurants add 18-20% automatic gratuity for parties of 6+ — check the bill before tipping additionally.
Splitwise (free, ad-supported) is the dominant US group-expense app — used by 30M+ people.
Venmo + Cash App + Zelle have made small-bill splitting near-frictionless since 2016.
The "salad subsidy" — light-eaters subsidising heavy-eaters in even-split groups — averages USD 5-15 per person per meal in mixed groups.
Some US restaurants offer separate checks on request — but most servers prefer one check for processing efficiency.
Shared appetisers + bottle wine are typically split equally; main courses are typically allocated to the orderer.
The "round-up split" — each person pays a whole dollar amount, excess goes to extra tip — is common with Venmo splitting.
Group dining in Asia and Europe typically defaults to single-payer (one person pays all, others reimburse later) rather than splitting at the table.
The "AA" (Asia) or "go Dutch" (Europe) phrasing both refer to even-splitting; "per-item" is a US-cultural fairness approach.
Frequently Asked Questions
- Per-item when order spread is wide (USD 15 to USD 50) or the group is casual. Even-split when orders are similar or the group is close friends/family. For mixed groups (some food-only, some drinking heavily), per-item produces the fairest outcome. For close friends sharing many items, even-split is faster and the unfairness is small.
- Proportionally to each person's subtotal. If you ordered 40% of the food (USD 40 of a USD 100 subtotal), you pay 40% of the tax + tip. The math: each person's total = their food subtotal + (their share of subtotal × total tax) + (their share of subtotal × total tip). This is the fairest math because higher-orderers contribute more food revenue (which the tip rewards) and more taxable amount.
- Tag each shared item to everyone who shared it. The tool will split that item evenly among the taggers. For a USD 60 bottle of wine shared by 4 of 6 people at the table, tag those 4 — the bottle becomes USD 15 per tagger. Non-drinkers are excluded automatically.
- Usually yes if you ask at the start of the meal — most US restaurants will accommodate. Asking AFTER the bill arrives is much harder because the server has to re-do the entire POS entry. The per-item-split calculation method (this tool) is usually faster than asking for separate checks, especially for groups larger than 4.
- If your bill already has automatic gratuity (typical for parties of 6+), set the "tip %" in this tool to 0% — the auto-gratuity is already on the bill total. Otherwise you'll double-tip. If you want to add a few extra dollars for exceptional service on top of auto-gratuity, just add a small tip percentage like 2-3%.
- One person pays the whole bill via credit card, then everyone else Venmos / Cash App / Zelles their portion to the payer. This produces a single credit card charge (credit card rewards + simpler accounting for the payer) and individual repayments from each person. Use the per-person totals from this tool as the exact amounts to request. Most US groups under 30 use Venmo; some use Zelle (bank-to-bank); cash is rare for younger groups.
- Cash works everywhere. Zelle works with any US bank (instant, free, no app needed beyond your bank's mobile app). PayPal (US) works with anyone with email. Splitwise tracks debts across multiple meals without requiring same-day settlement — useful for roommates or travel groups who settle monthly. Most US adults under 40 have at least one digital payment option set up.
- One check is generally preferred — faster POS processing, fewer credit card transactions (each transaction has 2-3% processing fee), simpler closing-out at end of shift. If you want split checks, ask at the start of the meal so the server can enter items per person from the beginning. For groups larger than 4 with one-check-many-people-reimbursing-via-Venmo pattern, the server doesn't care how the group internally splits the money — they just want the bill paid once cleanly.
- Same math, different conventions. Singapore restaurants typically include 10% service charge + 9% GST on the bill — set "tax %" to 9% in this tool and "tip %" to 0% (service charge already on bill). Malaysia: 10% service charge + 8% SST. Indonesia: 10% service charge + 11% VAT typical. ASEAN dining culture defaults to single-payer (one person pays, others reimburse later) more often than US-style at-table splitting; the per-item math is rarely needed except for very mixed groups.
- Yes. ASEAN dining culture defaults to "treat" patterns (alternating who pays the whole bill across meals) more often than US-style at-table splitting. In the US, even close friends often Venmo-split each individual meal — not seen as cheap or awkward. Reading the group: at-the-table-splitting via Venmo is the default for under-40 US groups; older groups or business dining typically use one-person-paying patterns. When in doubt, ask "should we Venmo or treat?" before the bill arrives.
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