Divide group restaurant costs by equal split, custom percentage shares, or fixed amounts per person. Instant results, zero data saved.
Panel 1
Bill Details and Tip Configuration
$
%
%
Subtotal
$0.00
Tax
$0.00
Tip
$0.00
Grand Total
$0.00
Panel 2
Participant Distribution Matrix
Add each person in your group. Everyone will pay an equal share of the total bill.
Name
Share
Panel 3
Final Settlement Card
Enter a subtotal and add participants to see results.
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Key Terms Explained
Gratuity
A voluntary payment made to a service worker as a thank-you for good service, typically expressed as a percentage of the bill subtotal. Also called a tip.
Subtotal
The total cost of all food and drinks before sales tax and tip are applied. This is the starting figure for all calculations in this tool.
Percentage Share
A split method where each person is assigned a custom percentage of the total bill. All assigned percentages must sum to 100% for a complete and valid split.
Fixed Share
A split method where specific participants pay a set dollar amount for their portion of the food. Any remaining food cost is divided equally among participants without a fixed amount.
Proportional Split
A method of distributing taxes and tips based on each person's share of the food cost. The more food someone ordered, the larger their share of the tax and gratuity.
Tax Incidence
The portion of the sales tax each person is responsible for, calculated in proportion to their share of the total food and drink subtotal.
Check
The itemized bill a restaurant presents to the table, showing all food and drink charges, applicable sales tax, and any automatic gratuity that has been added.
Settlement
The act of each participant paying their calculated share of the group bill so that the full amount owed to the restaurant is covered.
Auto-Gratuity
A service charge automatically added by the restaurant for large parties, typically 18% to 20%. If it appears on your receipt, set the tip percentage in this tool to 0% to avoid double-tipping.
Tip Rate
The percentage applied to the bill to calculate the gratuity amount. Standard tip rates in the United States run from 15% to 25%, with 18% to 20% being the norm for table service.
The Complete Guide to Splitting a Group Restaurant Bill Fairly
Splitting a restaurant check with a group sounds straightforward until someone ordered only a side salad, the table shared three appetizers and two bottles of wine, and one person wants to pay separately for their entree. This guide explains how to use each mode of the Bill Splitter Tip Adjustment Matrix to reach a fair, agreed-upon settlement for any group size or order complexity.
How to Use This Tool: Step by Step
Step 1: Enter the total cost of all food and drinks before tax and tip in the Bill Subtotal field. Step 2: Type your local sales tax rate as a percentage (for example, 8.5). Step 3: Choose a tip percentage using the quick-select buttons (15%, 18%, 20%, 25%) or enter a custom value. Step 4: Choose whether to calculate the tip on the pre-tax subtotal (the most common and recommended method) or the post-tax total. Step 5: Select a Split Mode. Equal Split divides everything evenly. Percentage Share lets you assign each person a custom percentage of the bill. Fixed Amount Share lets you specify what each person owes for their food, and the tool calculates the remainder, tax, and tip automatically. Step 6: In Panel 2, click "Add Participant" for each person and enter their names. In Percentage and Fixed modes, also enter each person's share value. Step 7: Review the Final Settlement Card in Panel 3. Click "Copy Breakdown" to copy a plain-text summary you can paste directly into a group chat.
Equal Split Mode: Simplest for Same-Cost Orders
Equal Split divides the subtotal, tax, and tip into identical shares for every participant. It is the fastest option and works well when everyone ordered roughly the same amount. Add participants by clicking "Add Participant," enter names if you want, and the settlement card updates instantly as you change the bill values or headcount.
Percentage Share Mode: Best for Unequal Orders
Percentage Share mode lets you assign a custom percentage of the food cost to each participant. The sum of all assigned percentages must reach 100% for the split to be complete. The share indicator below the matrix turns green when percentages add up correctly and amber when they fall short. If the total exceeds 100%, a red warning appears and the copy button reflects the over-assignment so you can correct it before sharing results.
Fixed Amount Share Mode: Ideal When People Know What They Owe for Food
Fixed Amount Share mode is useful when participants already know the cost of their individual orders from the menu. Enter each person's food cost in the dollar fields in the matrix. Anyone whose field is left blank will share the remaining food cost equally. Tax and tip are applied proportionally or equally on top of each person's food share, depending on your Tip Distribution Method selection.
Proportional vs. Equal Tip Splitting
When using Percentage or Fixed Amount modes, you can choose how to divide the tip. Equal tip splitting means every participant contributes the same flat dollar amount to the gratuity. Proportional tip splitting means each person's tip contribution scales with their share of the food cost. If Person A is responsible for 70% of the food cost, they pay 70% of the tip under proportional splitting. Proportional tip splitting is generally considered fairer when orders vary significantly in price, because lighter eaters are not subsidizing the heavier orderers' gratuity.
How to Handle Shared Dishes and Bottles of Wine
For shared starters, desserts, or bottles of wine, include their cost in the total subtotal. Then use Percentage Share mode and increase the percentages of the participants who consumed those shared items. If four people split a $40 appetizer and each also had a $25 entree, the total subtotal is $140 and each person's base percentage is 25%. Adjust individual percentages if some people ate more of the shared items than others.
Tipping Etiquette for Large Group Dining
Many restaurants in the United States add an automatic gratuity of 18% to 20% for parties of six or more. Always check your receipt for lines reading "Auto-Gratuity," "Service Charge," or "Gratuity Included" before entering a tip percentage in this tool. If the restaurant has already added gratuity, set the Gratuity Percentage to 0% to avoid paying twice. If no gratuity has been added, 18% to 20% on the pre-tax subtotal is the standard expectation for sit-down table service in the United States. For exceptional service or particularly demanding group requests, 22% to 25% is appropriate.
Frequently Asked Questions
How do I calculate a tip based on the subtotal rather than the total?
To tip on the pre-tax subtotal, multiply the subtotal by your tip percentage. For example, a 20% tip on an $80 subtotal is $16. This is the standard method in the United States because it rewards service based on what you actually ordered, not on government-imposed sales tax. In Panel 1, select "Pre-Tax Subtotal" under Tip Calculation Base and the tool will apply your tip percentage only to the food and drink amount. To tip on the post-tax total instead, select "Post-Tax Total" and the tip base will include the sales tax in its calculation.
Why does proportional splitting create a fairer result for group dining?
Proportional splitting is fairer because each person's tip contribution matches their share of the food cost. If one person ordered 60% of the food, they pay 60% of the tip under proportional splitting. Equal tip splitting charges everyone the same flat amount for gratuity regardless of how much they ordered. In a group where one person had a $60 steak and another had a $15 salad, equal tip splitting means the salad eater pays the same tip as the steak eater, which most people consider unfair. Proportional tip splitting ensures every person's contribution to the server's gratuity reflects how much service their order required.
How should I handle shared items in a complex bill split?
For shared appetizers, desserts, or bottles of wine, include their full cost in the Bill Subtotal field. Then switch to Percentage Share mode and assign each person a percentage that reflects how much of the total food cost they consumed. For example, if four people ordered equal individual entrees for $25 each and also shared a $40 appetizer equally, the subtotal is $140 and each person's baseline share is 25%. If one person ate most of the appetizer, increase their percentage and reduce others to compensate. The share indicator will turn green when all percentages add up to 100%, confirming the split is complete.
What is the standard etiquette for tipping in large groups?
In the United States, most restaurants automatically add an 18% to 20% gratuity for parties of 6 or more. Always check the receipt for a line reading "Auto-Gratuity," "Service Charge," or "Gratuity Included" before entering any tip in this tool. If the restaurant has already added gratuity, set the Gratuity Percentage field to 0% to avoid double-tipping. If no gratuity was added, the standard expectation for table service is 18% to 20% on the pre-tax subtotal. For particularly attentive or challenging service situations, 22% to 25% is appreciated. In countries other than the United States, tipping customs vary significantly, so check local norms when dining abroad.
Does this tool account for taxes when calculating individual shares?
Yes. This calculator separates the bill into three distinct components: subtotal (food and drinks), sales tax, and tip. Each person's final settlement amount includes their proportional share of the tax based on how much of the food cost they are responsible for. Enter your local sales tax rate as a percentage in the Local Sales Tax Rate field and the tool applies it correctly to every split mode. If your receipt already shows the tax as a dollar amount and you need the percentage, divide the tax amount by the subtotal and multiply by 100. For example, a $6.80 tax on an $80 subtotal is an 8.5% tax rate.
This tool provides cost-splitting estimates for personal use at restaurants and social events. All calculations are performed entirely in your browser. No financial data, names, or group information are sent to any server or stored anywhere. Results are based on the values you enter and may differ slightly from your actual receipt due to rounding differences applied by the restaurant's point-of-sale system.