Should I tip on the pre-tax or post-tax amount?

Either is acceptable. Tipping on the pre-tax subtotal is the more traditional approach; the difference is usually a small amount.

What if a service charge is already added?

That is the tip. Anything further is entirely discretionary and usually reserved for exceptional service.

How do I split unevenly?

Use the split bill calculator, which handles different items per person along with shared dishes.

Tip Calculator

Calculate a tip at any percentage, add it to the bill, and split the result between however many people are at the table.

Fill in the fields above and select Calculate to see your result and the full working.

Please note: Financial calculators produce estimates using the figures you enter. They exclude fees, taxes, insurance and rate changes unless a field asks for them. They are not financial advice — confirm any significant decision with a qualified adviser or your lender.

Formula used

Tip = bill × percentage ÷ 100. Per person = (bill + tip) ÷ number of people

How to use this calculator

Enter the bill total before the tip.
Choose a tip percentage — 15–20% is customary in the United States, while much of Europe rounds up or leaves 5–10%.
Enter how many people are splitting the bill.
Turn on rounding to make settling up in cash easier.

Example calculation

An $86.50 bill with an 18% tip split four ways:

Tip = 86.50 × 0.18 = $15.57

Total = $102.07

Per person = 102.07 ÷ 4 = $25.52.

What does this result mean?

Tipping norms vary widely, and in some countries service is already included in the price. Where a service charge already appears on the bill, an additional tip is optional. If you tip on the pre-tax subtotal rather than the gross total, enter the subtotal — both approaches are common and the difference is small.

Frequently asked questions

Should I tip on the pre-tax or post-tax amount?: Either is acceptable. Tipping on the pre-tax subtotal is the more traditional approach; the difference is usually a small amount.
What if a service charge is already added?: That is the tip. Anything further is entirely discretionary and usually reserved for exceptional service.
How do I split unevenly?: Use the split bill calculator, which handles different items per person along with shared dishes.

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