Tip Calculator
Use this Tip Calculator to calculate a tip, add it to your bill, split the total between multiple people, account for sales tax or a service charge, and see exactly how much each person should pay. Choose a common tip percentage such as 15%, 18%, 20%, or 25%, or enter any custom percentage you prefer.
The calculator can be used for restaurant bills, bars, delivery, salons, taxis, and other situations where you want to calculate gratuity quickly. Switch to Advanced Tip & Split when your bill includes tax, an automatic service charge, or when you want to choose whether the tip is calculated before or after tax.
Tip Calculator
Calculate gratuity, split a bill, include tax or service charges, and see exactly what each person pays.
Table of Contents
How to Use the Tip Calculator
Start by entering your bill amount. In Simple Tip Calculator mode, this is the amount you want to use when calculating the tip. Select one of the quick tip buttons or enter a custom percentage, then choose how many people are sharing the bill.
Press Calculate Tip to see the gratuity amount, total bill including the tip, tip per person, and total amount each person pays. If one person is paying the entire bill, leave Number of People set to 1.
Switch to Advanced Tip & Split if you need to add sales tax, include a mandatory service charge, calculate the tip before or after tax, or round the final amount.
Simple Tip Calculator
Simple mode is intended for the most common calculation: you know the bill amount, you know the percentage you want to leave, and you want to know the tip and final total. For example, if your bill is $80 and you choose a 20% tip, the calculator shows a $16 tip and a $96 total.
Advanced Tip and Split Calculator
Advanced mode adds fields that are useful when working from a detailed restaurant receipt. You can enter the pre-tax subtotal, sales tax percentage, a separate service charge, and the number of people sharing the check.
You can also choose whether your selected percentage is calculated on the pre-tax subtotal or the amount after tax. The calculator keeps tax, gratuity, service charges, and bill splitting separate in the results so you can see where the final number comes from.
How the Tip Calculator Works
The basic calculation is a percentage of the bill. A percentage represents a portion out of 100, so a 20% tip is calculated by multiplying the bill by 0.20.
If the bill is $100 and the selected percentage is 20%, the calculation is $100 × 0.20 = $20.
Using the same example, the $100 bill plus a $20 tip gives a final total of $120.
If four people split the $120 total equally, each person pays $30.
If you want to work through percentage calculations separately, the Percentage Calculator can calculate percentages independently.
Choosing a Tip Percentage
The calculator includes quick buttons for 10%, 15%, 18%, 20%, 22%, and 25%, but these buttons are calculation shortcuts rather than recommendations. Tipping customs differ by country, service type, establishment, and personal preference.
For U.S. sit-down restaurant service, the Emily Post Institute currently lists 15% to 20% of the pre-tax bill as a general guideline. That is one etiquette source rather than a universal rule, and local expectations can differ considerably.
The most useful way to use this calculator is to choose the percentage that applies to your situation and let the calculator handle the arithmetic.
10% Tip
To calculate a 10% tip manually, move the decimal point one place to the left. Ten percent of $60 is $6. Ten percent of $125 is $12.50.
This makes 10% useful as a mental-math starting point even when you eventually choose a different percentage.
15% Tip
One way to calculate 15% mentally is to calculate 10% and then add another 5%. Five percent is half of 10%.
For a $100 bill, 10% is $10 and 5% is $5, so 15% is $15. On an $80 bill, 10% is $8 and 5% is $4, giving a 15% tip of $12.
18% Tip
An 18% tip is less convenient to calculate mentally because it does not break into quarters or halves as cleanly as 10%, 15%, or 20%. Multiply the bill by 0.18 to calculate it directly.
For a $75 bill, $75 × 0.18 = $13.50. The final bill after adding that tip is $88.50.
20% Tip
A 20% tip is easy to estimate because it is twice 10%. On a $50 bill, 10% is $5, so 20% is $10. On a $120 bill, 10% is $12 and 20% is $24.
25% Tip
Twenty-five percent is one quarter of the bill. Divide the bill by four to calculate it manually. A 25% tip on $80 is $20, while a 25% tip on $100 is $25.
How to Calculate a Tip
Calculating a tip is a percentage problem. Convert the selected percentage to a decimal by dividing it by 100 and multiply it by the amount you are tipping on.
For example, suppose your restaurant bill is $65 and you want to calculate 20%.
- Convert 20% to a decimal: 20 ÷ 100 = 0.20.
- Multiply the bill by the decimal: $65 × 0.20 = $13.
- Add the tip to the bill: $65 + $13 = $78.
The tip is $13 and the final total is $78.
You can use the Simple Math Calculator if you want to check the multiplication or addition separately.
How Much Is a 15% Tip?
A 15% tip equals 15 cents for every dollar of the amount used to calculate the gratuity. On a $20 bill, 15% is $3. On a $50 bill, it is $7.50. On a $100 bill, it is $15.
You can also estimate 15% by calculating 10% and half of that value. For example, 10% of $46 is $4.60. Half of $4.60 is $2.30. Add the two together to get $6.90, which is exactly 15% of $46.
How Much Is an 18% Tip?
Multiply the bill by 0.18. An 18% tip on $40 is $7.20. On $75, it is $13.50. On $100, it is $18.
Because 18% is slightly harder to calculate quickly in your head, the 18% quick button lets you calculate it without converting the percentage manually.
How Much Is a 20% Tip?
Multiply the bill by 0.20 or find 10% and double it. A 20% tip on $25 is $5. On $50 it is $10, on $75 it is $15, and on $100 it is $20.
This same calculation works for any bill amount. For a $137.50 bill, 20% is $27.50, giving a total of $165 before any separately added tax or service charges.
Should You Calculate a Tip Before or After Tax?
This is one reason the Advanced Tip & Split mode includes a choice. Some people calculate the percentage on the pre-tax subtotal, while others calculate it on the final amount after sales tax.
The calculator does not decide which method you should use. It lets you select either option and shows the mathematical result.
Suppose the subtotal is $100, sales tax is 8%, and the selected tip is 20%. The tax is $8.
- 20% of the $100 pre-tax subtotal = $20 tip.
- 20% of the $108 after-tax amount = $21.60 tip.
The difference is $1.60. Advanced mode lets you compare these approaches without manually recalculating the bill.
If you need to determine sales tax before working on the gratuity, the Sales Tax Calculator supports Canadian and U.S. sales tax calculations.
How Tax and Tip Affect the Final Bill
A receipt can contain several separate amounts: the original food or service subtotal, sales tax, a voluntary tip, and sometimes a mandatory service charge. Keeping those values separate makes it easier to understand the final payment.
In Advanced mode, sales tax is calculated as a percentage of the bill subtotal. The tip is then calculated according to the tip basis you select. A service charge is calculated separately and added to the final total.
For example, a $100 subtotal with 5% tax, a 20% pre-tax tip, and no service charge produces $5 in tax and $20 in tip. The final amount is $125.
Split Bill Calculator With Tip
Splitting a bill evenly is straightforward once the final total is known. Add the tip, tax, and any service charges first, then divide by the number of people.
For example, suppose four people share a $100 bill and choose a 20% tip. The tip is $20, creating a $120 total. Divide $120 by four and each person pays $30.
The calculator also shows the tip per person separately. In that example, the $20 gratuity divided by four people is $5 per person.
Splitting a Bill Between 2 People
If two people share a $70 bill and leave an 18% tip, the gratuity is $12.60. The final total is $82.60, so each person pays $41.30.
Splitting a Bill Between 4 People
A $150 bill with a 20% tip produces a $30 tip and $180 total. Split evenly between four people, each person pays $45.
Splitting a Bill Between 6 People
If six people split a $240 bill and add an 18% tip, the gratuity is $43.20. The total is $283.20, so each person pays $47.20 when the bill is divided equally.
What If Everyone Ordered Different Amounts?
The calculator divides the final bill evenly. That works well when everyone agrees to share the check equally, but it may not be the fairest approach if one person ordered substantially more or less than everyone else.
For an unequal split, calculate each person’s food or service subtotal separately, then apply the desired percentage to each share. Shared appetizers, bottles, or other items can be divided among the people who shared them before adding each person’s individual items.
Service Charge vs. Tip
A service charge and a voluntary tip are not always the same thing. Some restaurants automatically add a percentage to the receipt, especially for large groups, events, or certain types of service.
In the United States, the Department of Labor distinguishes a compulsory service charge from a voluntary tip under federal wage rules. A mandatory charge imposed by an establishment is treated differently from an amount voluntarily chosen by the customer.
That distinction is one reason the calculator provides a separate Service Charge / Automatic Gratuity field instead of combining everything into the tip field.
Check your receipt before adding another gratuity. If an automatic charge is already present, you can enter it separately in Advanced mode and then decide whether you want to enter an additional tip percentage.
Rounding a Tip or Restaurant Bill
Some people prefer to leave an exact percentage, while others prefer a round final total. Advanced mode includes options to keep the exact result, round the overall bill up to the next whole currency unit, or round each person’s payment up to the next whole amount.
For example, if a final bill is $87.42, rounding the total up to the next dollar produces $88. If four people are splitting a bill and the exact share is $22.35, rounding each person’s share to $23 means the group collects slightly more than the exact amount owed.
The calculator displays that extra amount as a rounding adjustment so it does not disappear into the calculation unnoticed.
Tip Chart for Common Bill Amounts
The following table shows the gratuity amount only. The final total is the original bill plus the selected tip.
| Bill | 15% | 18% | 20% | 25% |
|---|---|---|---|---|
| $20 | $3.00 | $3.60 | $4.00 | $5.00 |
| $25 | $3.75 | $4.50 | $5.00 | $6.25 |
| $40 | $6.00 | $7.20 | $8.00 | $10.00 |
| $50 | $7.50 | $9.00 | $10.00 | $12.50 |
| $60 | $9.00 | $10.80 | $12.00 | $15.00 |
| $75 | $11.25 | $13.50 | $15.00 | $18.75 |
| $80 | $12.00 | $14.40 | $16.00 | $20.00 |
| $100 | $15.00 | $18.00 | $20.00 | $25.00 |
| $150 | $22.50 | $27.00 | $30.00 | $37.50 |
| $200 | $30.00 | $36.00 | $40.00 | $50.00 |
Restaurant Tip Calculator
A restaurant receipt is one of the most common situations where percentage calculations need to be done quickly. Enter the subtotal or the amount you want to tip on, choose the percentage, and the calculator immediately shows both the gratuity and final bill.
If the restaurant adds tax separately, Advanced mode can calculate it from the subtotal. If the receipt already includes a service charge or automatic gratuity, enter that percentage separately so you can see it in the final breakdown.
The calculator does not assume that every restaurant, country, or service situation follows the same custom. Check the receipt and local expectations before deciding what percentage to enter.
Tip Calculator for Bars and Drinks
A bar tab can be calculated the same way as any other bill. If the tab is $45 and you choose 20%, the percentage calculation produces a $9 tip and $54 final amount.
If several people are sharing one tab, enter the total bill and party size to divide the resulting amount evenly. If everyone has separate tabs, each person can calculate their own amount instead.
Tip Calculator for Delivery
Delivery orders may include delivery fees, service fees, taxes, promotions, and other charges, so first decide which amount you want to use as the percentage base. Enter that amount into the calculator and select your desired percentage.
A fee shown by an app or restaurant should not automatically be assumed to be a tip. Review the receipt or ordering screen to see how each charge is described.
Tip Calculator for Salons, Taxis, and Other Services
The mathematics does not change when the service changes. Enter the amount charged for the service and the percentage you want to calculate. A $70 service with a 20% tip produces a $14 gratuity and an $84 total.
Local customs differ, so the calculator deliberately separates the arithmetic from the decision about whether or how much to tip.
Tipping in Different Countries
Tipping expectations are not universal. A percentage that is common in one country may be unnecessary, uncommon, already included in the listed price, or handled through a service charge somewhere else.
When travelling, check local practices rather than assuming the same percentage applies everywhere. Also review the receipt for wording such as gratuity, service fee, service charge, cover charge, or hospitality charge before adding an additional amount.
Tip Calculator Examples
Example 1: 20% Tip on $50
Enter $50 and choose 20%. The tip is $10 and the final total is $60.
Example 2: 15% Tip on $80
Fifteen percent of $80 is $12. Add $12 to the original bill for a final total of $92.
Example 3: 18% Tip on $125
Multiply $125 by 0.18 to get a $22.50 tip. Add the tip to the bill for a total of $147.50.
Example 4: $100 Bill Split Four Ways
A 20% tip on $100 is $20, producing a $120 total. Split between four people, each person pays $30 and contributes $5 of the tip.
Example 5: Tip With Tax
Suppose the pre-tax subtotal is $90 and tax is 5%. The tax is $4.50. If you calculate a 20% tip on the pre-tax subtotal, the tip is $18 and the final amount is $112.50.
Example 6: Tip After Tax
Using the same $90 subtotal and 5% tax, the after-tax amount is $94.50. Calculating 20% on $94.50 produces an $18.90 tip and a final bill of $113.40.
Example 7: Bill With a Service Charge
If a $200 subtotal includes a separate mandatory 18% service charge, that charge equals $36. Enter the service charge separately so it appears clearly in the result instead of being mistaken for a voluntary tip.
How to Estimate a Tip Without a Calculator
Knowing a few simple mental-math shortcuts can be useful when you do not have a calculator available.
- 10%: Move the decimal one place to the left.
- 5%: Find 10% and divide it by two.
- 15%: Add 10% and 5%.
- 20%: Find 10% and double it.
- 25%: Divide the bill by four.
For a $90 bill, 10% is $9. Five percent is $4.50, so 15% is $13.50. Twenty percent is $18 and 25% is $22.50.
Why Bill Splitting Can Produce Different Totals
Small differences can appear depending on when rounding occurs. Dividing an exact total between several people and then rounding each person’s amount can produce a few cents more or less than rounding the overall bill first.
For example, a $100 bill split between three people is $33.333… each before tip. Currency normally uses two decimal places, so someone must account for the remaining cent when the shares are paid separately.
The Advanced calculator’s rounding option makes the treatment explicit instead of hiding the difference.
Common Tip Calculation Mistakes
One common mistake is calculating the percentage from the wrong amount. Check whether you intend to use the pre-tax subtotal, the after-tax total, or some other amount shown on the receipt.
Another mistake is overlooking a service charge or automatic gratuity that is already included. Review each line of the receipt before adding another percentage.
When splitting a bill, make sure the number of people is correct and decide whether everyone is paying an equal share. Equal division does not account for different individual orders.
Finally, percentages should be converted correctly. Twenty percent is 0.20, not 20. Multiplying $100 by 20 would produce $2,000 rather than the correct $20 tip.
Tip Percentage vs. Total Percentage
A 20% tip means the gratuity equals 20% of the base amount. It does not mean the tip represents 20% of the final total after the tip has been added.
For example, a $20 tip added to a $100 bill creates a $120 total. The $20 tip is 20% of the original $100, but it is about 16.67% of the $120 final amount.
Restaurant Pricing and Tips
For diners, the tip calculator focuses on the amount paid after receiving service. Restaurant operators looking at food costs, labour, overhead and selling prices have a different calculation. The Menu Pricing Calculator is designed for estimating menu selling prices and margins.
Why Use an Online Tip Calculator?
- Calculate a tip in seconds.
- Choose common percentages or enter a custom percentage.
- See the total bill after gratuity.
- Split a restaurant check between multiple people.
- Calculate the tip per person.
- Add sales tax.
- Choose whether the tip is calculated before or after tax.
- Add a separate service charge.
- Round the final amount if desired.
- Use different currency symbols.
- Compare different tip percentages quickly.
Tip Calculator Frequently Asked Questions
How do I calculate a tip?
Multiply the bill amount by the tip percentage divided by 100. For example, a 20% tip on $50 is $50 × 0.20 = $10.
How much is a 20% tip on $100?
A 20% tip on $100 is $20. The final total is $120 before any separately added tax or service charge.
How much is a 15% tip on $50?
Fifteen percent of $50 is $7.50, giving a total of $57.50.
How much is an 18% tip on $100?
An 18% tip on $100 is $18, giving a $118 total.
How much is a 20% tip on $50?
Twenty percent of $50 is $10, making the final total $60.
How much is a 20% tip on $80?
Twenty percent of $80 is $16. The final bill is $96.
How much is a 20% tip on $200?
Twenty percent of $200 is $40, producing a total of $240.
How do I calculate a 15% tip mentally?
Find 10% of the bill, then add half of that amount. On $60, 10% is $6 and 5% is $3, so 15% is $9.
How do I calculate a 20% tip mentally?
Find 10% of the bill and double it. Ten percent of $75 is $7.50, so 20% is $15.
Should I calculate the tip before or after tax?
Practices vary. Advanced mode lets you calculate the percentage using either the pre-tax subtotal or the amount after tax so you can use the method you prefer.
Can I split the bill between multiple people?
Yes. Enter the number of people and the calculator divides the resulting total evenly between them.
Does the calculator show tip per person?
Yes. The results show both the total gratuity and the portion of that gratuity allocated to each person when the bill is split evenly.
Can I calculate a custom tip percentage?
Yes. Enter any non-negative percentage in the Custom Tip Percentage field instead of using one of the preset buttons.
Can I calculate a 0% tip?
Yes. Enter 0 as the percentage and the tip amount will be zero.
Can I add sales tax?
Yes. Switch to Advanced Tip & Split and enter the sales tax percentage that applies to your bill.
Can I add an automatic gratuity or service charge?
Yes. Advanced mode has a separate Service Charge / Automatic Gratuity field so that amount can be shown separately from a voluntary tip.
What is the difference between a service charge and a tip?
A service charge is generally an amount required by the establishment, while a tip is generally voluntarily chosen by the customer. Legal definitions can vary by jurisdiction. Under U.S. federal wage rules, compulsory service charges are distinguished from voluntary tips.
Does the calculator work with Canadian dollars?
Yes. Choose C$ from the Currency menu. The arithmetic is the same regardless of the currency symbol.
Does the calculator work in pounds or euros?
Yes. Currency choices include dollars, Canadian dollars, U.S. dollars, British pounds, euros, and Australian dollars.
Does the calculator recommend how much I should tip?
No. It calculates the percentage you choose. Tipping customs depend on the service, location, establishment, and personal preference.
What does rounding per person do?
It rounds each person’s share up to the next whole currency unit. The calculator shows the resulting extra amount as a rounding adjustment.
Final Thoughts
A tip calculation is mathematically simple, but restaurant receipts can become more complicated once tax, multiple diners, service charges, and rounding are involved. The calculator above keeps each part of the bill separate so you can see how the final amount was calculated.
Use Simple Tip Calculator when you only need the bill amount, percentage, and number of people. Switch to Advanced Tip & Split when you also need tax, a service charge, pre-tax or after-tax tipping, or rounding. Enter the values from your receipt, choose the percentage you want to calculate, and the calculator handles the rest.
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