How much to tip on $40
Multiply the bill by the tip rate as a decimal. On a $40.00 bill, 18% is $40.00 x 0.18 = $7.20. The table covers the common rates; 15% to 20% is standard for sit-down service in the US, 18% to 20% is typical in cities, and 22% to 25% is for outstanding service or large parties.
| Tip rate | Tip | Total with tip |
|---|---|---|
| 15% | $6.00 | $46.00 |
| 18% | $7.20 | $47.20 |
| 20% | $8.00 | $48.00 |
| 22% | $8.80 | $48.80 |
| 25% | $10.00 | $50.00 |
Splitting a $40.00 bill
Add the tip first, then divide by the number of people. Each share below includes the tip.
| Tip rate | 2 people | 3 people | 4 people |
|---|---|---|---|
| 15% | $23.00 | $15.33 | $11.50 |
| 18% | $23.60 | $15.73 | $11.80 |
| 20% | $24.00 | $16.00 | $12.00 |
| 22% | $24.40 | $16.27 | $12.20 |
| 25% | $25.00 | $16.67 | $12.50 |
Mental math for a $40.00 bill
Ten percent of $40.00 is $4.00: just move the decimal point one place to the left. From there, 20% is double ($8.00), 15% is 10% plus half of 10% ($4.00 + $2.00 = $6.00), and 5% is half of 10% ($2.00). Round to the nearest dollar if that is easier; a tip of $8.00 instead of $8.00 is well within the normal range.
Before or after tax?
Etiquette guides recommend tipping on the pre-tax subtotal. In practice, many people tip on the total, and the difference is small: at 8% sales tax, a 20% tip on the post-tax amount of a $40.00 pre-tax bill is $8.64 instead of $8.00, about $0.64 more. Check whether a service charge or gratuity has already been added, which is common for parties of six or more; in that case no extra tip is expected.
Nearby bill amounts
tip on $25, tip on $30, tip on $35, tip on $45, tip on $50, tip on $55. For any other amount or to round each share up to a whole dollar, use the tip calculator.