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Dinner's over and it's time to split the bill — how much do you actually owe?

Calculate tips and split bills easily, with custom percentages.

Tip Calculator

Calculate tips and split bills among multiple people

Understanding Tipping Customs

Tipping is a customary practice of giving extra money to service workers as a reward for good service. In the United States, standard tipping is 15-20% of the pre-tax bill at restaurants. The practice varies significantly around the world, from expected in North America to uncommon or even discouraged in parts of East Asia.

Mental Math Shortcuts for Tipping

Quick tip calculation: for 10%, move the decimal point one place left ($45.00 becomes $4.50). For 15%, calculate 10% and add half of that amount. For 20%, simply double the 10% amount. This way you never need a calculator to estimate a reasonable tip on the spot.

When to Adjust Your Tip

Consider tipping above 20% for exceptional, personalized service or complicated orders. For buffets or counter service, 10% is typical. Large parties (6+) often have automatic gratuity added, so always check your bill before adding extra. For takeout, 5-10% is a polite gesture but not required.

Common Mistakes

  • Calculating tip on the post-tax amount when you meant pre-tax
  • Forgetting to divide by the number of people for shared bills
  • Rounding the tip down to the nearest dollar on large bills

Pro Tips

  • Standard tip is 15-20% for good service in the US
  • For large parties (6+), consider tipping 18-20% automatically
  • Some restaurants add gratuity — check your bill first

Real-World Examples

Dinner for two

$85 bill, 18% tip = $15.30 tip, $100.30 total

Splitting a group bill

$240 bill, 20% tip, 4 people = $72 each

Coffee shop

$4.50 coffee, rounding tip = $5.50 total

150

Select a tip percentage or enter a custom amount. Use the slider to split the bill among up to 50 people. Results update instantly.

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About Tip Calculator

How to Calculate a Tip

Tipping is a customary practice of giving extra money to service workers as a reward for good service. In the United States, standard tipping is 15-20% of the pre-tax bill at restaurants. To calculate a tip, simply multiply your bill amount by the tip percentage divided by 100. For example, on a $50 bill with a 20% tip: $50 × 0.20 = $10 tip.

When splitting a bill among multiple people, first calculate the total (bill + tip), then divide by the number of people. This tip calculator handles both steps automatically—just enter your bill, choose a tip percentage, and slide to select the number of people splitting the bill.

For exceptional service, consider tipping 20-25%. For average or subpar service, 10-15% is acceptable. Some people tip based on the post-tax total, but the standard practice is to tip on the pre-tax amount. Always check if a gratuity has already been added to your bill, especially for large parties.

Tipping Around the World

Tipping customs vary significantly by country. In the United States and Canada, tipping 15-20% at restaurants is expected and considered part of service workers’ income. In many European countries, a service charge is often included in the bill, and rounding up or leaving 5-10% is sufficient. In Japan and South Korea, tipping is generally not expected and can even be considered rude.

In the United Kingdom, a 10-15% tip is customary at restaurants if a service charge is not already included. In Australia and New Zealand, tipping is not mandatory but appreciated, typically around 10%. In many parts of Southeast Asia, tipping is not expected but is increasingly common in tourist areas. Always research local customs before traveling to ensure you tip appropriately.

This utility is provided for informational purposes only. KnowKit is not responsible for any errors in the output.

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Frequently Asked Questions

How much should I tip at a restaurant?

In the US, the standard tip is 15-20% of the pre-tax bill. Tip 15% for adequate service, 18% for good service, and 20% or more for excellent service. For buffets, 10-15% is typical. Always check if gratuity has already been added.

Should I tip on the pre-tax or post-tax amount?

Standard practice is to tip on the pre-tax amount. The tax is money going to the government, not the restaurant, so it should not factor into your tip. However, some people prefer to tip on the total — either approach is acceptable.

How do I split a bill with tip among friends?

First calculate the total by adding the tip to the bill, then divide by the number of people. For example, an $80 bill with 20% tip ($16) = $96 total. Split 4 ways = $24 per person. This calculator handles this automatically.

Do I need to tip for takeout or delivery?

For takeout, a small tip of 5-10% is appreciated but not always expected. For delivery, tip 15-20% of the order total, with a minimum of $3-5. For large or complex orders, consider tipping on the higher end.

How much should I tip for a large group?

Many restaurants automatically add 18-20% gratuity for parties of 6 or more. If not automatically added, tip at least 18-20% for large groups since serving more people requires more work. Always check your bill before adding extra tip.

What is the tipping etiquette in other countries?

Tipping customs vary widely. In the US and Canada, 15-20% is standard. In Europe, 5-10% or rounding up is typical. In Japan and South Korea, tipping is not expected and can be considered rude. In Australia and New Zealand, tipping is optional but appreciated.