20% Tip on $40 — Quick Answer

A 20% tip on $40 is $8

Total: $40 + $8 = $48

Tip Amounts on a $40 Bill

Tip %Tip AmountTotal
15%$6$46
18%$7$47
20%This Page$8$48
25%$10$50

Split Between People (20% Tip)

PeopleTotal Per PersonTip Per Person
2 people$24$4
3 people$16$3
4 people$12$2
5 people$10$2
6 people$8$1

Quick Mental Math for 20% Tip

Find 10% and double it: $4 × 2 = $8
10% of $40 = $4. Double it to get the 20% tip amount.

Other Tip Percentages on $40

15% tip on $4018% tip on $4025% tip on $40

20% Tip on Other Amounts

20% tip on $2820% tip on $3020% tip on $3220% tip on $3520% tip on $3820% tip on $4220% tip on $4520% tip on $4820% tip on $5020% tip on $55
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 $40 bill, a 20% tip is $8.

How do I calculate a 20% tip quickly?

Find 10% by moving the decimal left ($40 → $4), then double it: $4 × 2 = $8.