Tip Calculator

1. Enter the bill amount before any tip.
2. Set the tip percentage, such as 15, 18 or 20 percent.
3. Choose how many people are splitting the bill and read the tip, total and per-person share.

Each result answers a different part of the question:

A tip, or gratuity, is an extra amount you add to a bill to reward service, usually worked out as a percentage of the pre-tax total. In many countries it is a normal and expected part of dining out, taxis and personal services, while in others it is uncommon or already built into the price.

Because it is a percentage, a tip scales with the bill: the same 18 percent is a small amount on a coffee and a large one on a dinner for six. That is exactly why a quick calculation beats guessing, especially when a group is splitting the cost.

It takes the tip percentage of the bill, adds it to get the total, then divides by the number of people.

So a 50 bill at 18 percent gives a tip of 50 x 18 / 100 = 9, a total of 59, and if two people split it, 29.50 each. Every result flows from those three simple steps.

1. Multiply the bill by the tip percentage and divide by 100.
2. Add that tip to the bill for the total.
3. Divide the total by the number of people to split it.

Splitting always uses the total, so everyone shares the tip fairly, not just the food.

Four friends share an 80 dinner and want to leave 20 percent. The tip is 80 x 20 / 100 = 16, so the total is 96. Divided four ways, that is 24 each.

Drop the tip to 15 percent on the same bill and the tip falls to 12, the total to 92, and each person pays 23. The single percentage point choice changes each share by just a dollar here, but on a large group bill those dollars add up quickly.

If the bill already shows a service charge, you might tip nothing extra, which is why it always pays to read the check first.

Norms vary, but these ranges are a useful starting point in countries where tipping is customary.

To sense-check any of these against the bill, the percentage calculator gives the plain figure in a second.

The percentage is a starting point; several things move it up or down in practice.

Country and Custom

Tipping is expected in some places, rare in others, and occasionally considered rude, so local custom matters more than any formula.

Service Charge on the Bill

Many venues add a service charge for larger groups; if so, an extra tip may be unnecessary.

Quality of Service

Percentages flex with how good the service was, from a modest tip for the basics to a generous one for real care.

Pre-tax or Post-tax

Some people tip on the pre-tax bill and others on the total; this tool uses whatever bill figure you enter.

Splitting a Group Bill

It divides the total, tip included, evenly so nobody underpays or overpays their share.

Tipping Quickly and Correctly

No mental math at the table means a fair, accurate tip in seconds, even on an awkward bill.

Budgeting an Outing

Adding the tip up front shows the real cost of a meal or taxi before you commit.

1. Tipping on the Total After a Service Charge

If a service charge is already added, tipping again on the new total double-pays. Check the bill first.

2. Splitting Only the Food

Divide the total including the tip, so the gratuity is shared, not just the meal.

3. Rounding the Wrong Way

Rounding a per-person share down can leave the tip short; round the total up instead.

4. Assuming One Custom Fits Everywhere

A normal tip at home may be too much or too little abroad. Learn the local norm.

5. Forgetting Solo Diners

Leave the split at one person when you are not sharing, or the per-person figure will be wrong.

The arithmetic is exact for the bill, percentage and split you enter, but it cannot know local etiquette.

Multiply the bill by the tip percentage and divide by 100. For a 50 bill at 18 percent the tip is 9. This calculator also adds the total and splits it per person.

In countries where tipping is customary, 15 to 20 percent is typical for table service: 15 percent is standard, 18 percent good and 20 percent generous.

Both are common. Tipping on the pre-tax amount is slightly lower and widely accepted. This tool uses whichever bill figure you enter.

Add the tip to the bill first, then divide the total by the number of people, so the gratuity is shared evenly. This calculator does that automatically.

Often not. If the bill already includes a service charge, an extra tip may be unnecessary. Always check the bill before adding more.

Where tipping is customary, a smaller tip such as 10 percent signals poor service, though norms vary. Speaking to the venue may be more effective than the tip alone.

No. Tipping customs differ widely: expected in some countries, uncommon in others and occasionally discouraged. Check local norms when you travel.

Round the total up to a convenient figure rather than rounding the per-person share down, so the tip is never left short.

No. The calculation runs in your browser, and nothing you enter is sent anywhere unless you Save a result, which stays on this device only.

• Gratuity (tipping) (Wikipedia).
• How to work out a percentage (Maths Is Fun).
• Percentage of an amount (Maths Is Fun).