calculationType
Tip Calculator
Calculate tip amounts for restaurants, delivery, and services. Quick buttons for 15%, 18%, 20% tips plus custom percentages.
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Try an Example
Pick a scenario to see how the calculator works, then adjust the values
Tip Calculator | Calculate Restaurant Tips - 15%, 18%, 20% & Custom
Calculate tip amounts for restaurants, delivery, and services. Quick buttons for 15%, 18%, 20% tips plus custom percentages.
Key values: $65 bill · 20% tip · tip = $13
15% Tip on a $42.50 Lunch
Calculating a standard 15% tip on a $42.50 lunch.
Key values: $42.50 bill · 15% tip · tip ≈ $6.38
Tip Calculation
Standard Tip Percentages (US)
| Service level | Tip % | On a $50 bill |
|---|---|---|
| Poor | 10% | $5.00 |
| Adequate | 15% | $7.50 |
| Good | 18% | $9.00 |
| Excellent | 20% | $10.00 |
| Exceptional | 25% | $12.50 |
Splitting the Bill
Example: Bill of $120 with 18% tip, split 4 ways:
Quick Mental Math for Tips
- 10%: Move the decimal one place left ($85 → $8.50)
- 15%: Find 10%, then add half of it ($85 → $8.50 + $4.25 = $12.75)
- 20%: Find 10%, then double it ($85 → $8.50 × 2 = $17.00)
- 18%: Find 20%, subtract 10% of the tip ($17 − $1.70 = $15.30)
Frequently Asked Questions
How do I calculate a tip?
Multiply the bill total by the tip percentage as a decimal. For example, 20% tip on $65: \\$65 \times 0.20 = \\$13 tip. Total = $78.
Should I tip on the pre-tax or post-tax amount?
Traditional etiquette says tip on the pre-tax subtotal, since you should not tip on the tax. However, many people tip on the post-tax total for simplicity. The difference is usually small — on a $65 bill with 9% tax, it is about $1.17.
What is the standard tip percentage in the US?
The standard has shifted from 15% to 18-20% as the norm since around 2010. For excellent service, 20-25% is common. For poor service, 10-15% is typical. Different service types have different expectations.
How do I quickly calculate a 20% tip in my head?
Find 10% by moving the decimal one place left, then double it. For example, 20% of $85: 10% = $8.50, doubled = $17.00. This is the fastest mental math trick for tipping.
How do I split a bill with tip evenly among friends?
Calculate the total with tip first, then divide by the number of people. For example, $120 bill + 18% tip ($21.60) = $141.60, split 4 ways = $35.40 per person.
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