Figuring out how much to tip can be awkward — especially when you’re at a restaurant with friends and everyone is looking at you. In this guide, we’ll show you the fastest ways to calculate a tip, the standard tip percentages, and how to split a bill evenly.
The Fastest Way to Calculate a Tip
Use our free Tip Calculator — just enter the bill amount, choose your tip percentage, and enter the number of people. You’ll get the tip amount, total, and per-person cost instantly.
How to Calculate a Tip Manually
If you prefer to do the math yourself, here’s the simple formula:
Tip = Bill Amount × (Tip Percentage ÷ 100)
For example: A $60 bill with a 20% tip = $60 × 0.20 = $12 tip. Total = $72.
Standard Tip Percentages in the US
Here’s a quick reference guide for tipping etiquette in the United States:
- 10% — Below average service (or takeout)
- 15% — Standard service
- 18% — Good service
- 20% — Great service (most common)
- 25%+ — Exceptional service
Quick Mental Math Tricks
For 10%: Move the decimal point one place to the left. On a $45 bill: $4.50.
For 20%: Calculate 10% and double it. On a $45 bill: $4.50 × 2 = $9.00.
For 15%: Calculate 10% + half of that. On a $45 bill: $4.50 + $2.25 = $6.75.
How to Split the Bill
Divide the total (bill + tip) by the number of people. Example: $72 total ÷ 4 people = $18 per person. Our tip calculator does this automatically.
Frequently Asked Questions
Should I tip on the pre-tax or post-tax amount?
Either is fine. Most people tip on the pre-tax subtotal, but tipping on the total is also acceptable and slightly more generous.
Do I tip on takeout orders?
Tipping on takeout is optional but appreciated. 10–15% is a good range for takeout service.
What if the service was bad?
If the service was genuinely poor, 10% is a common choice. However, if the issue was with the kitchen or something outside the server’s control, consider tipping the full amount.
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