Tip Calculator

How Much to Tip and Why It Varies

A tip, or gratuity, is a percentage of the bill you add for service. In the United States, table service usually runs 15 to 20 percent, with 18 to 20 percent for good service. The percent you choose depends on the setting, the level of service, and local custom, so the "right" number shifts from a coffee counter to a sit-down dinner.

Diners use a tip calculator to settle up fast, split a bill fairly, and avoid awkward mental math after a meal. Servers and travelers use it to stay consistent across different bill sizes and to adjust for countries where tipping norms differ.

How the Tip and Split Are Calculated

In words: multiply the bill by the tip percent divided by 100 to get the tip amount. Add the tip to the bill to get the total. To split, divide the total by the number of people. That gives each person's share, tip included.

On the tax question, most people tip on the pre-tax bill, since the tax is not part of the service. Tipping on the full post-tax total is also common and simply a little more generous. Enter whichever base you prefer as the bill amount.

Worked Example

Four friends share a 92 dinner and want to leave 18 percent. Tip is 92 times 0.18, which is 16.56. Total is 92 plus 16.56, which is 108.56. Split four ways, each person pays 108.56 divided by 4, which is 27.14. If they rounded the tip up to 20 percent, the total would be 110.40 and each share 27.60.

Tip Chart for Common Bill Amounts

Tipping Norms by Setting

Benefits and Limits

The benefit is a fair, fast split with the tip and total both shown, so no one overpays or underpays. The limit is that norms are guidance, not rules. Some bills already add a service charge for large groups, and some countries build service into the price. Check the receipt before you add a tip so you do not pay it twice.

Common Mistakes

• Tipping on top of a service charge that is already included for a large party.
• Splitting the bill first and then adding tip to each share, which can round unevenly.
• Applying a US percent abroad where the local norm is much lower or zero.

Tips

• Anchor on 10 percent of the bill, then double it for a 20 percent tip in seconds.
• For the raw percent math, use a percentage calculator.
• If a coupon reduced the bill, set the tip on the discounted amount from a discount calculator, or on the pre-discount price if you want to reward full service.

People Also Ask

How much should I tip at a restaurant?

In the United States, 15 to 20 percent of the bill is standard for table service, and 18 to 20 percent signals good service. Adjust to local custom when traveling.

Do I tip before or after tax?

Most people tip on the pre-tax amount because tax is not part of the service. Tipping on the full total is also fine and slightly more generous.

How do I split a bill with tip?

Add the tip to the bill first, then divide the total by the number of people. Splitting after adding the tip keeps every share equal.

What is a good tip for delivery?

Food delivery usually runs 10 to 15 percent, with a small minimum such as a few dollars on tiny orders or in bad weather.

Should I tip on a service charge?

If a service charge is already on the bill, an extra tip is optional. Check the receipt so you do not pay for service twice.

How do I calculate a 20 percent tip quickly?

Find 10 percent by moving the decimal one place left, then double it. On a 45 bill, 10 percent is 4.50, so 20 percent is 9.

Is tipping expected everywhere?

No. Many countries build service into the price and tipping is small or optional, so learn the local norm before you add a US-style percent.