Bill Split Calculator for Groups
Splitting a dinner, group outing, or shared bill down the middle gets messy once tax and tip are involved. Enter the total, the number of people, and your tip and tax percentages, and this calculator works out exactly what each person owes.
How this calculator works
Enter the bill total before tax and tip, then set the number of people splitting it. Add a tip percentage (or pick one of the presets) and a sales tax percentage if it applies. The calculator adds tax and tip to the total, then divides that final number evenly across everyone splitting the bill.
This gives you a single number per person that already accounts for everything, so nobody has to do napkin math at the table.
Handling tax and tip
Tax and tip both add real money on top of the listed prices, and skipping them when splitting a bill is one of the most common ways a group ends up short when the check comes. Enter your local sales tax rate if the venue does not already show it on the receipt, and pick a tip percentage that matches your own standard. 18% to 20% is typical for good service at a sit-down restaurant in the United States.
When an even split is not fair
An even split works best when everyone in the group ordered roughly the same amount. It gets less fair when spending is lopsided, for example one person ordering a full meal with drinks and another ordering only an appetizer. In those cases, some groups prefer splitting by what each person actually ordered instead of dividing the total evenly. That still starts with the same tax and tip math, just applied to each person's own subtotal rather than the group total.
This same tension shows up in recurring household bills too, just for a different reason: two partners splitting rent and utilities evenly can feel unfair if their incomes are far apart, even though everyone is "sharing" the same costs. If that is the situation you are working through, the bill split calculator for couples compares an even split against one weighted by income.
Settling up without the back and forth
Agreeing on the per-person total before anyone pays avoids the usual scramble of passing a card around or trying to remember who ordered what after the fact. Many groups have one person cover the bill and everyone else pay them back through a payment app, or split the total directly across multiple cards if the venue allows it. Either way, knowing the exact number ahead of time keeps the moment simple.
If you are trying to keep a running tab on recurring shared costs rather than a one-off bill, a budget spreadsheet is a better fit than a one-time split, since it tracks spending across the whole month instead of a single outing.
Frequently asked questions
How do you split a bill evenly between multiple people?
Add up the total bill, including tax and tip, then divide by the number of people. This calculator does that automatically: enter the total, the number of people, and your tip and tax percentages, and it shows exactly what each person owes.
Should tax and tip be included before or after splitting?
Include them before splitting so the amount everyone pays covers their fair share of the whole bill, not just the food and drinks. Calculating tip on the pre-tax subtotal is the most common convention, but this calculator applies both tax and tip to the base bill amount you enter for a simple, consistent result.
What is a normal tip percentage to use?
15% is generally considered the low end for adequate service, 18% to 20% is standard for good service in the United States, and 25% or more is common for exceptional service. Use whatever percentage matches your own norms; the calculator defaults to 18% but lets you pick any percentage.
What if everyone did not order the same amount?
An even split works well for groups who ordered roughly similar amounts. If costs were very unequal, such as one person ordering drinks and appetizers and another just an entree, it may feel fairer to split by what each person actually ordered instead. This calculator handles the equal-split case; for itemized splitting, add up each person's own items separately.
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