Should I tip on the bill before or after tax?

Etiquette says tip on the pre-tax food or service total, because tax is not something the server provided. In practice the difference is pennies: on a $80 bill with 8 percent tax, an 18 percent tip is $14.40 on the pre-tax amount and $15.55 on the total. Calculate on whichever number is in front of you and move on.

What tip percentage is normal in the United States?

For full table service, 18 to 20 percent is the current norm in most cities, with 15 percent considered acceptable for average service. Counter service, takeout and coffee shops usually get a dollar or two, or nothing. Food delivery is typically 15 to 20 percent of the order, before any delivery or service fees the platform adds.

How much should I tip for poor service?

Between 10 percent and nothing, depending on what went wrong. If the food was fine but the service was slow, 15 percent with a quiet word to the manager is the usual response. Leaving nothing entirely is reserved for service that was genuinely unacceptable — and it helps to say why, otherwise the tip reads as forgetfulness.

Does the calculator work with a total that already includes tax?

Yes — it takes whatever bill amount you enter and applies the percentage you choose. If you want to tip on the pre-tax amount, subtract the tax first or enter the food subtotal. The arithmetic is the same either way.

Should I round the tip up or down?

Up, and only at the end. Calculate the exact percentage first, then round the per-person share up to something practical to pay. Rounding the percentage itself at every step — 18 percent becoming 20 percent becoming who knows — is how a $40 lunch quietly turns into a $50 one.

Calculate the Right Tip Amount

Tipping is a social norm in many countries, and doing the math in your head while the server stands there is stressful. A tip calculator handles the arithmetic so you can focus on the meal.

Tip calculator with percentage presets and total

Tipping Etiquette by Country

United States: 15-20% is standard. 18% is a good default. Below 15% suggests dissatisfaction. United Kingdom: 10-15% is common. Some restaurants add a service charge automatically. Canada: 15-20%, similar to the US. Australia: Not expected (servers earn a living wage), but 5-10% is appreciated for excellent service. Japan: Tipping is not customary and can be considered rude.

How to Calculate

Standard method: Bill × 1.15 for 15%, × 1.18 for 18%, × 1.20 for 20%. Quick mental math: 10% is easy (move decimal one place). Then add half of that for 15%, or double it for 20%. Example: $67 bill. 10% = $6.70. 15% = $6.70 + $3.35 = $10.05. 20% = $6.70 × 2 = $13.40.

What I Tested

I used the Tip Calculator with several bill amounts.

• Bill: $50, Tip: 18% → Tip amount: $9.00, Total: $59.00. Correct.

• Bill: $87.50, Tip: 20% → Tip amount: $17.50, Total: $105.00. Correct.

• Bill: $42.30, Tip: 15% → Tip amount: $6.35 (rounded), Total: $48.65. Correct.

• Split between 4 people, bill: $120, Tip: 18% → Each pays: $35.10 ($27 food + $5.40 tip + $2.70 share of tip). Correct.

Step-by-Step

(1) Open the Tip Calculator. (2) Enter the bill amount. (3) Select or enter the tip percentage. (4) Optionally enter the number of people to split the bill. (5) Read the tip amount, total, and per-person amount.

Limitation

The calculator uses standard percentage math. It does not account for automatic gratuity (some restaurants add 18-20% for large groups) or service charges included in the bill. Check your receipt before adding extra tip.

Common Mistake

Calculating tip on the tax-included total. In most US states, tip is calculated on the pre-tax amount. If your $67 bill includes $5 tax, tip on $62, not $67. This saves you a small amount and is the standard practice.

How It Compares

Google Search calculates tips if you search 'tip on $67' but does not support bill splitting. Calculator.net has a tip calculator but has a cluttered interface with ads. Our tool includes bill splitting, supports custom tip percentages, and shows per-person amounts instantly with no sign-up.

Privacy

All calculations happen in your browser. No data is sent to any server.

Next Step

If you need to calculate discounts or percentage changes, use the Percentage Calculator.

Splitting the Bill Fairly

The hard part of a group bill is not the percentage, it is the fairness. Splitting evenly is right when everyone ordered roughly the same thing, and wrong when one person had a salad and three others had steak. The reliable method is to put each person's own items on the calculator, add their share of tax, then tip on that subtotal — slower, but nobody subsidises anyone.

Two habits remove most of the friction. Round up: a $41.70 share paid as $45 covers the tip and stops the table arguing over cents. And decide before the food arrives whether you are splitting evenly or by item, because doing it at the end, after two bottles of wine, is where friendships and spreadsheets both get strained.

Why the Tip and the Bill Are Calculated Separately

A tip is a percentage of the service, not a percentage of a total that includes tax, delivery fees or a coupon. Platforms that show a suggested tip on the post-discount amount quietly give the server less, and the same applies to a gift card balance. Enter the amount the food and drink actually cost, apply the percentage, and treat fees as separate line items.

The calculator also makes compound situations readable: a discount and then a tip are two different percentages over two different bases, and multiplying them together is the mistake that makes a bill look wrong. Calculate them one after the other, on the numbers each one belongs to.

Cash Tips and Rounding

Cash tips create small rounding decisions that card payments avoid. Splitting a $47.80 bill four ways gives $11.95 each; adding a 20 percent tip makes it $57.36, or $14.34 per person, which nobody carries in coins. The working solution is to round the per-person figure up to the nearest dollar — each person pays $15, the server gets slightly more than 20 percent, and the table settles without a pile of change.

Tips on Top of an Hourly Wage

In the United States, tipped work is hourly work: a base wage below the standard minimum plus tips on top. That makes two other calculations part of the same paycheck. The first is hours — clock-in to clock-out, minus an unpaid break, in decimal hours you can multiply by the base wage. Shift Ledger's free work hours calculator does exactly that in the browser, with no account. The second is overtime: once weekly hours pass 40 (daily rules in California, Alaska, Nevada and Colorado), the half-time or time-and-a-half premium applies to the cash wage before tips are counted — the overtime calculator shows the split for a 1099 or W-2 shift.