How to split a bill with tip fairly
To split a bill evenly with tip, use: each person pays = bill × (1 + tip % ÷ 100) ÷ number of people. For example, an $84 bill with an 18% tip comes to $99.12, which is $24.78 each for 4 people. The same three steps work whether you tip 15%, 18% or 20%.
Three steps
- Tip = bill × tip % ÷ 100. Example: $84 × 18% = $15.12
- Total = bill + tip. Example: $84 + $15.12 = $99.12
- Each pays = total ÷ people. Example: $99.12 ÷ 4 = $24.78
Worked examples
Set the tip to 0% when you're only splitting the bill.
| Bill | Tip | People | Each pays |
|---|---|---|---|
| $84.00 | 18% | 4 | $24.78 |
| $100.00 | 15% | 3 | ≈ $38.33 |
| $60.00 | 20% | 2 | $36.00 |
| $150.00 | 0% | 6 | $25.00 |
Keeping it fair
Leftover cents: $115 split 3 ways is $38.333… If everyone pays $38.34 you collect 2¢ extra; if two people pay $38.33 and one pays $38.34, it comes out exact.
Tip before or after tax: in the US, many people tip on the pre-tax subtotal. With an $80 subtotal and $7 tax, a 20% tip is $16 on the subtotal but $17.40 on the total.
Uneven orders: when people ordered very different amounts, split in proportion to what each ordered. If A ordered $40, B $25 and C $15 (an $80 subtotal) and tax and tip bring the total to $101.40, multiply each order by 101.40 ÷ 80 = 1.2675: A pays $50.70, B $31.69 and C $19.01.
How Calcnest does it
In Calcnest's Tip & Bill Split tool, enter the bill, the tip % and the number of people, and it shows what each person pays. The result is saved to history automatically, and you can share it as text to the group chat. It works offline.
Split the bill, tip included
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