Bill Splitter
Split checks fairly with tax, tip, itemized dishes, and copy-ready payment amounts.
Bill details
People
Subtotal
$100.00
Tax
$8.50
Tip
$20.00
Grand total
$128.50
Each person pays: $32.13
Per-person breakdown
| Name | Items | Tax | Tip | Total |
|---|---|---|---|---|
| Person 1 | $25.00 | $2.13 | $5.00 | $32.13 |
| Person 2 | $25.00 | $2.13 | $5.00 | $32.13 |
| Person 3 | $25.00 | $2.13 | $5.00 | $32.13 |
| Person 4 | $25.00 | $2.13 | $5.00 | $32.11 |
Copy payment lines
- @Person1 $32.13
- @Person2 $32.13
- @Person3 $32.13
- @Person4 $32.11
Amounts are estimates for settling up with friends. Confirm tax and tip rules with your venue.
How does the Bill Splitter work step by step?
This calculator divides a bill (restaurant check, group purchase, shared expense) among multiple people and shows each person's share. You enter the total bill amount, the number of people splitting it, and whether to split evenly or by custom amounts. For even splits, the tool divides the total by the number of people. For custom splits, you specify each person's share (e.g., Alice orders $30, Bob orders $20, Carol orders $25) and the tool calculates what each person owes. The calculator also handles tips and taxes: you can add them to the total before splitting, or split them proportionally based on each person's share of the pre-tax bill.
When should you use the Bill Splitter?
Use this calculator at restaurants when splitting the bill among friends, coworkers, or family. It is especially useful when people ordered different amounts and want to pay for what they consumed rather than splitting evenly. The tool eliminates math errors and awkward moments when the total does not add up because someone forgot to include tax or tip. It is also valuable for group purchases (shared groceries, event tickets, team lunches) where you need a quick, accurate split. If you are organizing an event with multiple cost centers, the travel cost splitter is better suited for complex multi-expense tracking.
How do you read the Bill Splitter results?
The calculator shows each person's share of the bill. For even splits, each person pays the same amount (total divided by number of people). For custom splits, each person pays their itemized share plus their proportional share of tax and tip. For example, if Alice ordered $30 of a $100 pre-tax bill, she pays 30% of the total tax and tip in addition to her $30. If tax is $8 and tip is $20, Alice pays $30 + (30% × $28) = $30 + $8.40 = $38.40. The sum of all shares should equal the total bill including tax and tip; if it does not, recheck your inputs.
What does a typical Bill Splitter result look like?
Four friends go to dinner. Pre-tax bill: $100. Alice ordered $30, Bob $25, Carol $25, Dave $20. Tax (8%): $8. Tip (20% on pre-tax): $20. Total bill: $128. Alice's share: $30 + (30% × $28) = $30 + $8.40 = $38.40. Bob's and Carol's shares: $25 + (25% × $28) = $25 + $7 = $32 each. Dave's share: $20 + (20% × $28) = $20 + $5.60 = $25.60. Total: $38.40 + $32 + $32 + $25.60 = $128. If they split evenly instead, each person pays $128 / 4 = $32. Alice overpays by $6.40 and Dave underpays by $6.40 in the even split compared to the itemized split. The OnSumo travel cost splitter can help you manage multi-day, multi-expense group trips.
Frequently asked questions
Should we split the bill evenly or itemize each person's share?
Split evenly when everyone ordered roughly the same amount or when the group prefers simplicity over precision. Itemize when there are large differences in what people ordered (e.g., one person had an appetizer, entree, and drinks while another had only a salad). Itemizing ensures fairness but requires tracking who ordered what. Most groups split evenly for casual meals and itemize for expensive dinners or when budgets vary significantly. Agree on the method before ordering to avoid awkwardness at payment time.
How should we split tax and tip when itemizing?
Split tax and tip proportionally based on each person's share of the pre-tax bill. If Alice ordered 30% of the pre-tax total, she pays 30% of the tax and tip. For example, if the pre-tax bill is $100, tax is $8, tip is $20, and Alice ordered $30, she pays $30 + (30% × $28) = $38.40. This is fairer than splitting tax and tip evenly because it reflects actual consumption. Some groups split tax and tip evenly for simplicity, but proportional splitting is more accurate when itemizing individual food costs.
What percentage should we tip and should it be on pre-tax or post-tax?
Standard tipping in the U.S. is 15-20% for table service, with 18-20% being most common in 2026. Calculate the tip on the pre-tax bill total, not the post-tax total. For example, if the pre-tax bill is $100 and tax is $8, a 20% tip is $20 (20% of $100), making the total $128 ($100 + $8 + $20). Tipping on the post-tax total is a minor overpayment; $20 on $100 is 20%, but $21.60 on $108 is also 20%. Use pre-tax for simplicity and to match restaurant industry norms.
What if one person did not order anything or only had water?
If someone did not consume anything, they do not pay, unless the group agreed in advance to split evenly regardless of consumption. If they ordered only water or a free item, they should still contribute to tax and tip on the shared items if the group split appetizers or other communal dishes. For example, if three people split a $90 bill and one person had only water but shared an appetizer, that person might pay their share of the appetizer plus proportional tax and tip, rather than zero.
How do we handle shared items like appetizers or pitchers?
Split shared items evenly among the people who consumed them. If four people shared two appetizers costing $24 total, each person pays $6 for appetizers in addition to their individual entree cost. If only three of the four people shared the appetizers, those three split the $24 ($8 each). Track shared items separately from individual orders, then sum each person's individual and shared costs before adding tax and tip. This ensures accurate itemization when some people opt in and others opt out of shared dishes.
What if someone wants to pay for their meal separately?
Ask the server to split the check before ordering, or have that person calculate and pay their share (itemized food + proportional tax and tip) before the rest of the group settles. Most restaurants can split checks easily if you ask in advance. If the check is already combined, use a bill splitter to calculate their exact share, then have them pay that amount directly (cash, Venmo, credit card to the server). The remaining people split the rest of the bill among themselves.
How do we split the bill when someone had alcohol and others did not?
Charge alcohol to the people who drank it, not to the entire group. For example, if three people split a $100 bill and one person had $30 in drinks, that person pays their $30 in drinks plus their share of the remaining $70 in food (if food is split evenly, they pay $30 + $70/3 = $53.33). The other two people each pay $70/3 = $23.33 for food, plus their proportional share of tax and tip. Itemizing alcohol separately is standard etiquette when some people abstain.
What if the bill total does not match the sum of itemized shares?
Recheck your inputs: make sure you included all items, tax, and tip. A common mistake is forgetting to allocate tax and tip proportionally; if you only sum individual food costs, the total will be short by the tax and tip amount. Another mistake is double-counting shared items or missing an item someone ordered. If the discrepancy is small (under $1), it is likely a rounding error; split the difference evenly or have one person cover it. If the discrepancy is large, recalculate from the itemized receipt.
How do we use a bill splitter app or calculator?
Enter the total bill amount (including or excluding tax and tip, depending on the tool), the number of people, and whether you want an even or itemized split. For itemized splits, enter what each person ordered. Most tools let you add tax and tip as separate fields and will allocate them proportionally. The tool then shows each person's share. Apps like Splitwise, Tab, and Plates are popular for restaurant bill splitting. The OnSumo bill splitter can also handle even and itemized splits with proportional tax and tip allocation.
What is the easiest way to pay after splitting the bill?
Use peer payment apps (Venmo, PayPal, Zelle, Cash App) to settle immediately. One person pays the full bill on their card, then everyone else sends their share via the payment app within minutes. This avoids the server needing to split the check across multiple cards and eliminates cash change issues. Agree on the payment method before the meal ends so everyone has the app ready. If paying cash, have exact change ready; rounding up to the nearest dollar is acceptable for small discrepancies.