$42 Tip: $6.30 (15%), $7.56 (18%), $8.40 (20%) — Instant Calculator
On a $42.00 restaurant bill, a standard 15% tip is $6.30 (total $48.30), an 18% tip is $7.56 (total $49.56), and a 20% tip is $8.40 (total $50.40). All calculations are based on the pre-tax food subtotal.
A $42 bill usually means dinner for two with drinks. A 20% tip works out to $8.40 here.
| Tip Rate | Tip Amount | Total with Tip | 2-Way Split (Each) | 4-Way Split (Each) |
|---|---|---|---|---|
| 10% | $4.20 | $46.20 | $23.10 | $11.55 |
| 15% | $6.30 | $48.30 | $24.15 | $12.08 |
| 18% | $7.56 | $49.56 | $24.78 | $12.39 |
| 20% | $8.40 | $50.40 | $25.20 | $12.60 |
| 25% | $10.50 | $52.50 | $26.25 | $13.13 |
What a 20% tip looks like on $42
Total with tip: $50.40 — tip is 17% of what you pay.
Watch out: Tips calculated on the after-tax total
Many POS terminals print suggested tips on the after-tax total. With an average 9% sales tax, a 20% tip on $42 is calculated as $9.16 instead of the correct $8.40 — resulting in $0.76 extra, effectively pushing your rate to 21.8%.
Frequently Asked Questions
How much is a 20% tip on a $42 bill?
A 20% tip on $42 is exactly $8.40, making the total bill $50.40. For 2 people splitting evenly, it is $25.20 each.
How much is an 18% tip on a $42 bill?
An 18% tip on $42 is $7.56, for a total of $49.56.
How much is a 15% tip on a $42 bill?
A 15% tip on $42 is $6.30, making the total $48.30.
How do you split a $42 bill with 20% tip among 4 people?
With a 20% tip ($8.40), the total comes to $50.40. Split among 4 people, each person pays exactly $12.60.
Should I tip before or after tax?
Always tip on the pre-tax amount. A suggested tip calculated on the after-tax total quietly overcharges you by roughly your local sales tax rate.
Is an automatic gratuity or service charge the same as a tip?
Yes. If an 18%–20% automatic gratuity or service charge is already printed on your check, that is the tip. Do not add another tip on the blank line unless you want to double-tip.
How much should I tip for takeout or counter pickup?
Tipping on takeout is 100% optional (0% is standard). Leaving $1–$2 or 5%–10% is generous for large or custom orders, but never mandatory.
What should I do if the receipt prompts 25% or 30%?
Standard restaurant tipping in 2026 remains 18%–20% for good service. High default prompts (25%–30%) are merchant marketing defaults, not required etiquette.
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