The check arrives, and suddenly six friends become accountants. A little structure avoids the awkward part. There are three common ways to split, and one rule that makes any of them fair: share tax and tip in proportion to what each person ordered.
The short version
- Even split: total with tax and tip ÷ number of people. Fast, fair when orders are similar.
- By order: each person’s items + their share of tax and tip.
- Tip is usually calculated on the pre-tax subtotal.
- Agree on the method before ordering, not after the bill comes.
1. Split evenly
Add tax and tip to the subtotal, then divide by the number of people.
Example
Four friends in Chicago: subtotal $120, tax $12.30, 20% tip on the subtotal $24. Total $156.30 ÷ 4 = $39.075, so $39.08 each (rounding up leaves the server 2¢ extra).
2. Split by what each person ordered
Best when one person had a salad and water and another had steak and two drinks. Each person pays their items, plus tax and tip on those items.
- Add up each person’s items.
- Find the combined tax and tip rate. In the example above, tax was $12.30 on $120 (10.25%) and the tip was 20% of the subtotal, so each person adds 30.25% to their items.
- Multiply each person’s items by 1.3025.
| Person | Their items | With tax and tip (× 1.3025) |
|---|---|---|
| Sam | $18.00 | $23.45 |
| Rita | $42.00 | $54.71 |
| Joe | $35.00 | $45.59 |
| Lena | $25.00 | $32.56 |
| Total | $120.00 | $156.31 |
Compare with the even split: Sam saves $15.63 by paying for what he ordered, and Rita pays $15.63 more. For a group that eats out often, that difference adds up.
3. A mix
Share the things everyone shared (appetizers, a pitcher, dessert) evenly, and pay individually for main dishes and personal drinks. It’s the fairest option for big groups and still quick.
Getting tax and tip right
- Tip on the subtotal. Most people tip on the pre-tax amount. Tipping on the total adds a little extra for the server.
- Check for an automatic gratuity. Many restaurants add a service charge for large parties. If it is on the bill, don’t tip twice.
- Use the local tax rate. It appears on the receipt; you don’t need to know it in advance.
Avoiding the awkward moment
- Agree on “even” or “by order” when you sit down.
- Ask for separate checks when ordering, if the restaurant allows it.
- Let one person pay and have everyone send their share with a payment app right away.
- Round up to the nearest dollar, not down.
Our split bill calculator handles tax, tip and uneven splits in one step, and our tip calculator works out the tip. For rent and utilities among roommates, see how to split household bills.
Splitting with a payment app
If one person pays, the others can send their share right away with a payment app. Add a note with the date and restaurant, and send it before leaving the table so nobody forgets. Round to the nearest dollar in the payer’s favor; it’s easier and covers rounding differences.
Groups that eat out often
For a regular group, agree on a rule once: even splits for shared plates, by-order splits for drinks, or “the birthday person eats free, split among the rest”. A consistent rule avoids small resentments building up over months.
When someone ordered much more
Example
Five coworkers in Atlanta have lunch. Four order about $15 each; one orders $45 with a drink. Subtotal $105, tax at 8.9% ($9.35), and a 20% tip on the subtotal ($21). An even split is $135.35 ÷ 5 = $27.07 each. By order, with the 28.9% combined tax and tip, the four pay about $19.34 each and the fifth about $58.01. Splitting by order here is clearly fairer.
