快速计算小费金额、总账单以及多人分摊费用。支持自定义小费比例，即时得出结果。纯客户端计算，无需联网。
这款小费计算器帮助您快速确定小费金额，并公平地在多人之间分摊账单。只需输入账单总额，选择想要的小费比例，然后指定共享费用的人数。所有计算均在浏览器中即时完成——数据绝不会发送到任何服务器。
In the United States, the standard tip for restaurant service is 15–20% of the pre-tax bill. For excellent service, 20% or more is common. In many European countries, service is already included in the bill, so a small tip or rounding up is sufficient.
Enter the total bill amount, choose your tip percentage, and enter the number of people. The calculator will show the total amount including tip, and divide it equally among all people. Each person's share includes their portion of the tip.
The standard practice in the U.S. is to tip on the pre-tax amount. However, many people find it easier to tip on the total including tax. The difference is usually small — for example, on a $100 bill with 8% tax, tipping 20% on pre-tax is $20, while on post-tax is $21.60.
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For food delivery, a standard tip is 10–15% of the order total, with a minimum of $2–$3. For large or complex orders, or during bad weather, consider tipping 20% or more. Some apps suggest default tips, but you can always adjust.
For hotel housekeeping, $2–$5 per night is standard, depending on the hotel class and service quality. Leave the tip daily rather than at the end of your stay, as different staff may clean your room each day. Place the tip in a marked envelope or with a note.
Tipping for takeout is optional but appreciated. If the restaurant had to specially prepare your order, 10% is a nice gesture. For counter service where you pick up your own food, no tip is expected. Some people round up or leave small change as a courtesy.
For quick mental math: To calculate 10%, move the decimal one place left (e.g., $45.60 → $4.56). For 20%, double the 10% amount. For 15%, add half of the 10% amount to the 10% amount. For 18%, move the decimal and add half, then add a little more.