20% Tip on $90 — Quick Answer

A 20% tip on $90 is $18

Total: $90 + $18 = $108

Tip Amounts on a $90 Bill

Tip %Tip AmountTotal
15%$14$104
18%$16$106
20%This Page$18$108
25%$23$113

Split Between People (20% Tip)

PeopleTotal Per PersonTip Per Person
2 people$54$9
3 people$36$6
4 people$27$5
5 people$22$4
6 people$18$3

Quick Mental Math for 20% Tip

Find 10% and double it: $9 × 2 = $18
10% of $90 = $9. Double it to get the 20% tip amount.

Other Tip Percentages on $90

15% tip on $9018% tip on $9025% tip on $90

20% Tip on Other Amounts

20% tip on $6520% tip on $7020% tip on $7520% tip on $8020% tip on $8520% tip on $9520% tip on $10020% tip on $11020% tip on $12520% tip on $130
Use the Full Tip & Tax Calculator → Read the Tipping Guide →

Frequently Asked Questions

Is 20% a good tip?

20% is the current standard for good service in most US restaurants. It's easy to calculate and well-regarded. For a $90 bill, a 20% tip is $18.

How do I calculate a 20% tip quickly?

Find 10% by moving the decimal left ($90 → $9), then double it: $9 × 2 = $18.