Tip Calculator

What Is a Tip Calculator?

The NIST and the National Institute of Standards recognize percentage-based calculations as a core mathematical standard. A tip calculator helps you calculate the gratuity to add to a bill. It also finds the total cost and splits it evenly among multiple people. Whether you are at a restaurant, getting a haircut, or using a delivery service, calculating the right tip amount should be easy and stress-free.

Our free tip calculator lets you choose from common tip percentages (10%, 15%, 18%, 20%, 25%) or enter a custom percentage. It instantly shows the tip amount, total bill, tip per person, and total per person — no mental math required.

How to Use the Tip Calculator

Using the tip calculator takes just seconds:

1. Enter the bill amount — the pre-tax or post-tax total from your receipt (most people tip on the pre-tax subtotal, though both are acceptable)
2. Select or enter your tip percentage — use the preset buttons (10%, 15%, 18%, 20%, 25%) or type a custom percentage
3. Enter the number of people — for group dining, the calculator automatically splits the bill and tip evenly
4. Click Calculate — instantly see the tip amount, total bill, tip per person, and total per person

How Much Should You Tip?

Tipping customs vary by country and service type, but general standards have emerged for common situations:

Restaurants and Food Service

Restaurant tipping is the most common scenario. Standard practice is:

• 15% — adequate service
• 18% — good service (increasingly the new baseline)
• 20% — excellent service
• 25% or more — exceptional service or to show extra appreciation

Food Delivery

For restaurant delivery services, 15–20% is standard, with a minimum of $3–5 for small orders. Delivery drivers often cover their own fuel costs, so a generous tip is appreciated. For grocery delivery, 10–20% is common.

Rideshare and Taxi

For Uber, Lyft, and traditional taxis, 15–20% is standard. Consider tipping more for longer trips, help with luggage, or exceptionally courteous service.

Hair and Beauty Services

Hair stylists, barbers, and beauty professionals typically receive 15–20% of the service cost. If your stylist is the owner of the salon, tipping is still appreciated but not always expected.

Hotels

Hotel housekeeping: $3–5 per night, left daily (not just at checkout, since different staff may clean your room each day). Bellhops: $1–2 per bag. Concierge: $5–20 for significant assistance.

Movers

For professional movers, $20–50 per person is customary for a standard move. For large or complex moves, some people tip more. Providing food and drinks for the crew is also a common gesture of appreciation.

Tipping Etiquette Around the World

Tipping practices differ significantly by country:

• United States and Canada: Tipping is expected in most service industries, with 15–20% standard for restaurants.
• United Kingdom: 10–15% at restaurants is common; service charges are sometimes included in the bill.
• Australia and New Zealand: Tipping is appreciated but not mandatory; 10% is considered generous.
• European countries: Rounding up the bill or leaving small change is common; high percentage tipping is not expected.
• Japan: Tipping is generally not practiced and can sometimes be considered rude.
• Middle East: Practices vary by country; some restaurants include a service charge.

When traveling, it is worth researching local tipping customs to avoid unintentionally over- or under-tipping.

How to Calculate a Tip Without a Calculator

If you want to calculate a tip quickly without a calculator, here are some mental math shortcuts:

• For 10%: Move the decimal point one place to the left. 10% of $47.50 = $4.75
• For 20%: Double the 10% amount. 20% of $47.50 = $4.75 × 2 = $9.50
• For 15%: Add the 10% amount to half the 10% amount. 15% of $47.50 = $4.75 + $2.375 ≈ $7.13
• For 18%: Calculate 20% then subtract 10% of the result. 18% of $47.50 ≈ $9.50 − $0.95 = $8.55

Of course, using our tip calculator is much faster and more accurate for any amount or percentage.

Should You Tip Before or After Tax?

This is a common question with no single "correct" answer. Tipping on the pre-tax subtotal is slightly less generous; tipping on the post-tax total is slightly more. Most servers and etiquette guides suggest tipping on the pre-tax amount, but the difference on a typical meal is small. What matters most is that you tip an amount you feel reflects the quality of service you received.

Splitting the Bill in a Group

Splitting a restaurant bill equally is the simplest approach when everyone ordered similar amounts. Our tip calculator handles this automatically. Enter the bill, tip percentage, and number of people. It shows each person's share of both the tip and total.

For unequal splits, calculate each person's portion separately. Then apply the tip percentage to their individual share.

Related Calculators

• Percentage Calculator — Calculate any percentage
• Discount Calculator — Calculate sale prices
• Percentage Change Calculator — Find percentage differences