How to Split a Tip Among a Group

The three numbers you need

Splitting a tip cleanly takes three quick calculations. First, the tip amount: bill × tip percentage. Second, the grand total: bill + tip. Third, the per-person share: grand total ÷ number of people. Do them in that order and the arithmetic never gets tangled.

Turning a percentage into a multiplier is the only trick worth remembering: 15% is 0.15, 18% is 0.18, and 20% is simply one fifth of the bill. Multiplying the bill by that decimal gives the tip in one step.

A worked example, step by step

Say a dinner for four comes to $120 and you want to tip 18%. The tip is $120 × 0.18 = $21.60. The grand total is $120 + $21.60 = $141.60. Split four ways, each person owes $141.60 ÷ 4 = $35.40. That single figure is what everyone hands over, tip included.

If the per-person figure lands on an awkward number, round each share up to the nearest convenient amount. Four people paying $36 instead of $35.40 adds $2.40 to the tip — a small, painless boost that avoids fumbling with small change.

Uneven splits and shared items

An even split is fairest when everyone ordered similarly. If one person had only a salad while others had steak and drinks, splitting by individual orders is fairer: total each person's items, add the same tip percentage to each, and everyone pays their own share plus tip.

For shared plates or a bottle of wine, split just those items equally and add them on top of each person's individual total. Whatever method you choose, agree on it before the bill arrives so nobody feels shortchanged at the table.

Frequently asked questions

What is a standard tip percentage?

In US table-service restaurants, 15% to 20% is standard, with 18% a common middle choice. Tipping customs vary widely by country, so what is expected abroad may be lower or already included in the bill.

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

Either is accepted; tipping on the pre-tax amount is slightly more common and technically more accurate since tax is not a service. The difference is small, so many people simply tip on the final total for convenience.

How do I handle an uneven split?

Total each person's own items, add the same tip percentage to each, and split any shared dishes equally on top. This is fairer than an even split when orders differ a lot in price.

How do I round the per-person amount?

Round each share up to the nearest whole unit or half unit of currency. Rounding up rather than down means the server is never tipped less than intended, and the small extra is spread painlessly across the group.