Tip on $18 — Calculate 10–25% Tip
A 20% tip on $18 is $3.60, making the total $21.60. At 15% the tip is $2.70; at 25% it is $4.50.
A $18 bill is typical for a mid-range sit-down meal for one or two. An 18–20% tip here runs $3.24 to $3.60.
Check every percentage from 10% to 25% in the table below, or use the calculator.
Tip amounts on $18
| Tip % | Tip amount | Total with tip |
|---|---|---|
| 10% | $1.80 | $19.80 |
| 15% | $2.70 | $20.70 |
| 18% | $3.24 | $21.24 |
| 20% | $3.60 | $21.60 |
| 25% | $4.50 | $22.50 |
Watch out: tips calculated after tax
Many receipts print their suggested tip on the after-tax total. With a 9% sales tax, a 20% tip on $18 comes to $3.92 instead of the correct $3.60 — about $0.32 more, which is really 21.8% of your pre-tax bill.
You can check any percentage (10–25%) in the table above or use the calculator.
Tip Calculator
Tip percent
Tip
$3.60
Total with tip
$21.60
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Reviewed by TipTruth TeamUpdated 2026-08-21