How much should I tip?

In the US, 15-20% is customary for sit-down restaurants. 18% is a good standard tip.

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

Either is acceptable. Tipping on the pre-tax amount is traditional, but many people tip on the total including tax.

Calculate how much to tip and split the bill among multiple people.

Bill Amount

USD

Tip Percentage

Number of People

Total with Tip

$100.30

Tip Amount$15.30

Per Person$50.15

Total with Tip vs Bill Amount

Tip = Bill × Tip% / 100

Total = Bill + Tip

Per Person = Total / Number of People

15% — Standard service

18% — Good service

20% — Great service

25%+ — Exceptional service

$85 dinner bill, 18% tip, split between 2 people.

Calculate discounts.

Calculate sales tax.