Search calculators, converters, tools... ⌘K

Tip Calculator

Calculate tip amounts, split bills among friends, and find the total per person with tax included.

The total amount of the bill before tip.
The tip percentage you want to leave. Standard is 15-20%.
Sales tax percentage (optional).
How many people are splitting the bill.
Tip Amount $9.00
Tax Amount $0.00
Total Bill $59.00
Per Person $59.00
Tip Per Person $9.00
Editorial Standard

GetCalcu Methodology & Editorial Standards

Reviewed: September 2026

ISO 80000 mathematical sign standards and deterministic algebraic formulas.

Reference Sources: GetCalcu Mathematical Review Board

How to Calculate Tips and Split Bills Fairly

Tipping is a standard part of dining and service culture in many countries. Knowing how to calculate a tip quickly and fairly ensures you reward good service appropriately and split bills accurately among friends.

The Standard Tip Formula

Tip = Bill Amount × (Tip Percentage / 100). For example, on a $50 bill with an 18% tip, the tip is $50 × 0.18 = $9. The total is $50 + $9 = $59. For a quick mental calculation, round the bill to the nearest ten and multiply by 0.18, or simply double the tax amount for an approximate 18% tip.

Splitting the Bill

To split a bill evenly, divide the total (including tip and tax) by the number of people. For example, a $59 total split among 4 people is $59 ÷ 4 = $14.75 per person. If you want to tip on the pre-tax amount only, calculate the tip separately and add it to the taxed total before dividing.

Tipping Etiquette

In the United States, 15-20% is standard for good service at restaurants. For buffets, 10-15% is typical. For taxis and rideshares, 10-15% is standard. For hotel bellhops, $1-2 per bag is customary. For hotel housekeeping, $2-5 per night is typical. Always check local customs when traveling internationally, as tipping practices vary widely.

How to Use the Tip Calculator

  1. 1
    Enter the total bill amount before tip and tax.
  2. 2
    Set the tip percentage (15-20% is standard for good service).
  3. 3
    Enter the sales tax percentage if applicable.
  4. 4
    Enter the number of people splitting the bill.
  5. 5
    The calculator shows the tip amount, tax, total, and per-person amounts.

Tip Calculator Formula

Tip = Bill × (Tip% / 100) | Tax = Bill × (Tax% / 100) | Total = Bill + Tax + Tip | Per Person = Total / Number of People

Real-World Worked Examples

These scenarios demonstrate how key input parameters alter your calculation outcome.

Dinner for Two

Input: Bill: $85, Tip: 20%, Tax: 8%, People: 2
Result: Tip: $17.00 | Tax: $6.80 | Total: $108.80 | Per Person: $54.40

Large Group

Input: Bill: $240, Tip: 18%, Tax: 0%, People: 6
Result: Tip: $43.20 | Total: $283.20 | Per Person: $47.20

Frequently Asked Questions

How do I calculate a tip?

Tip = Bill Amount × (Tip Percentage / 100). For a $50 bill with an 18% tip, the tip is $50 × 0.18 = $9.

How do I split a bill?

Divide the total (bill + tax + tip) by the number of people. For example, a $59 total split among 4 people is $14.75 each.

What is a good tip percentage?

In the US, 15-20% is standard for good restaurant service. 10-15% for buffets, 10-15% for taxis, and $1-2 per bag for hotel bellhops.

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

Traditionally, tips are calculated on the pre-tax amount. However, many people tip on the post-tax total. Our calculator lets you enter both tax and tip percentages separately for clarity.