Split a bill without losing the last cent
An equal bill split sounds simple until tax, tip, service charges, and rounding are added. This calculator keeps those parts visible and divides the final amount in whole cents so the individual shares always add back to the exact total.
Enter the bill subtotal, choose the tip percentage, add sales tax or a mandatory service charge if needed, and set the number of people. The result shows the total bill, the tip, and the per-person amount. For groups of up to 12 people, the page also lists each person's exact share.
How an equal split works
For a final bill of $120 divided between four people, each share is exactly $30. But a final bill of $100 divided between three people cannot be represented as three identical cent amounts.
Instead of displaying $33.33 for everyone and silently losing one cent, the calculator allocates:
- Person 1: $33.34
- Person 2: $33.33
- Person 3: $33.33
The shares still total exactly $100.00.
That same cent-allocation rule is used after tax, tip, and service charges have been included.
Include tip and tax in the split
A restaurant check can contain a pre-tax subtotal, tax, a required service charge, and a voluntary tip. This tool calculates those components before splitting the final amount.
If you want to tip on the pre-tax subtotal, keep Pre-tax subtotal selected. If you prefer to calculate the percentage from the taxed amount, choose After-tax amount. The tax rate should come from the actual receipt whenever possible.
A mandatory service charge should be entered separately. The IRS distinguishes compulsory service charges from voluntary tips, so keeping the two values separate makes the result easier to understand and helps avoid accidental double tipping.
When equal splitting is fair
An equal split works best when everyone's spending is similar or when the group has already agreed to divide the check evenly. It is especially convenient for shared meals, fixed-price menus, or small differences that nobody wants to itemize.
For example, if four diners share appetizers and entrees with similar prices, an equal split may be faster and clearer than reconstructing every order.
When equal splitting is not fair
If one person ordered a $15 meal and another ordered $60 of food and drinks, dividing the entire check equally may not reflect what each person consumed. The same issue appears when only some people shared an appetizer, bottle, or dessert.
Use the Uneven Split Bill Calculator when you need to enter personal subtotals and shared items. It can allocate tax, service charges, and tip proportionally to each person's spending or equally, depending on the group's preference.
Example with tax and tip
Imagine a $120 subtotal split among four people with an 18% pre-tax tip. The tip is $21.60 before any tax or service charge is added. If tax is entered, the tool adds it to the bill, then allocates the complete final total across the four people.
The percentage comparison table is useful if the group is deciding between 15%, 18%, 20%, 22%, or 25%. It shows how each choice changes both the total and the amount per person.
Large groups and automatic gratuity
Large groups are more likely to encounter automatic gratuity or a required service charge. Read the receipt before adding another voluntary tip. If a mandatory charge is present, enter it in the service-charge field so everyone can see that it is already part of the total.
Equal split vs. uneven split
Use this calculator when the objective is speed and an equal division. Use the Uneven Split Bill Calculator when fairness depends on what each person actually ordered. Both tools use the same cent-accurate allocation rules so the displayed shares reconcile with the bill total.
Related guidance for choosing the split method
If the group is unsure whether an equal split is fair, the How to Split a Restaurant Bill Fairly guide walks through equal, itemized, and shared-item examples. When personal spending is materially different, move to the Uneven Split Bill Calculator instead of forcing an equal result.
If the receipt includes automatic gratuity or another mandatory fee, review Service Charge vs. Tip before adding a second voluntary amount.