Tip Calculator
Tip calculator works out Tip and Total including tip from Bill amount, Tip and People splitting the bill. The default figures on this page give total including tip of 100.3; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
3 steps
- Tipping on the full bill of 85.
- Tip = 85 x 18% = 15.3
- Total = 100.3, which is 50.15 each between 2.
Its 3 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
1 source
What the tip calculator calculates
Works out a tip and the total bill, and splits it evenly or by share between any number of people.
How to use this tip calculator
Enter Bill amount, Tip, People splitting the bill and Tax already included in the bill. Tip updates as you type, and “Use a worked example” loads checked figures you can adjust. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Tip, Total including tip and Each person pays.
The method follows Tip conventions vary by country; the tip is normally a percentage of the pre-tax bill in the US..
18% on an 85 bill split two ways example
With Bill amount: 85, Tip: 18, People splitting the bill: 2, the calculator returns Tip: 15.3, Total including tip: 100.3, Each person pays: 50.15. This example is checked against an independent source in the test suite.
What you can compare
Change one input at a time to see how it affects Tip, Total including tip and Each person pays. The inputs you can vary are Bill amount, Tip, People splitting the bill, Tax already included in the bill and Tip on the pre-tax amount.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
See something wrong? Report a problem with this calculator
Frequently asked questions
What information do I need for the tip calculator?
You need Bill amount, Tip, People splitting the bill, Tax already included in the bill and Tip on the pre-tax amount. The page opens with default figures that give total including tip of 100.3, so you can see the scale before entering your own.
What does this tip calculator show?
It shows Tip, Total including tip, Each person pays, Tip per person and Amount the tip was calculated on, with the working and any warnings for your entries.
Can I check how the tip calculator result was calculated?
Yes. The “How this is worked out” section shows the calculation steps, and the sources section identifies the references used for the method.