Quick reference
Here’s what you need to know. These percentages reflect current norms in the United States as of 2026, based on industry surveys and hospitality research.
Restaurants
Delivery & Transportation
Personal Services
Hospitality
Other Services
When NOT to tip: Doctors, nurses, teachers, government employees, business owners who set their own prices, and any situation where tipping is explicitly prohibited.
How tipping became American
Tipping wasn’t always expected. In fact, Americans once considered it un-American—a European custom associated with aristocracy and class hierarchy.
European import. Wealthy Americans returning from Europe brought back tipping as a status marker. It was seen as aristocratic pretension.
Anti-tipping movement. Six states banned tipping outright. Critics called it “un-American,” “degrading,” and “servile.” Labor unions fought against it.
Fair Labor Standards Act. The original law set no special provisions for tipped workers. Everyone got the same minimum wage.
The tipped minimum wage. Congress created a “tip credit” allowing employers to pay tipped workers less. Tips became essential income, not a bonus.
$2.13 frozen. The federal tipped minimum wage was frozen at $2.13/hour—where it remains today, 30 years later.
Tip creep. Digital payment screens suggest 20-25%+ at counter service. “Tipflation” becomes a cultural flashpoint.
“The history of tipping in America is inseparable from the history of race and labor. After emancipation, tipping was used to justify not paying Black workers a wage.”
— Kerry Segrave, Tipping: An American Social History of Gratuities, 1998
The racial origins of American tipping
Tipping didn’t take off in America until after the Civil War, when millions of formerly enslaved people entered the workforce. Restaurant owners began hiring them—and didn’t pay them wages. The tipping system allowed employers to shift labor costs to customers while paying Black workers nothing.
As NPR’s Throughline podcast documented in their episode “The Land of the Fee”: tipping was called “un-American, a moral malady… a new form of slavery” by critics of the era. Six states banned it outright. But restaurant industry lobbyists successfully overturned those bans.
Today, the federal tipped minimum wage is still $2.13/hour—frozen since 1991. For many servers, 95% or more of their income comes directly from tips. What started as an optional gesture is now essential income.
Listen to the full story: NPR’s Throughline episode “The Land of the Fee” and Freakonomics Radio’s “Why Does Tipping Still Exist?” provide excellent deep-dives into tipping’s complicated history.
Sources: Kerry Segrave, Tipping: An American Social History of Gratuities, 1998; NPR Throughline, 2021
The science of tipping
Professor Michael Lynn at Cornell’s Nolan School of Hotel Administration has published over 80 peer-reviewed papers on tipping behavior—more than any other researcher in the world. His work, along with Ofer Azar’s comprehensive 2007 review “The Social Norm of Tipping”, reveals surprising truths about why we tip.
Lynn has been featured extensively in media including Freakonomics Radio and NPR, where he noted: “Supposedly, tipping originated in the 16th century in coffeehouses, where patrons would publicly put coins in boxes as an incentive for prompt service.”
What actually affects tips?
Lynn’s research found that tips correlate weakly with service quality. The correlation between server performance and tip percentage is typically r = 0.11 to 0.22—barely measurable.
What does affect tips?
Brief, friendly touch on the shoulder increases tips 14-17%
Servers who squat to eye level get 20-25% higher tips
“Hi, I’m Sarah”—using their name increases tips 10%
Regulars tip 5% more than first-time visitors
In one study, tables of four and six tipped 11%, versus 19% at tables of one
Credit card tips are higher but 23% less likely to happen
The implication is uncomfortable: tips reward social connection more than service quality. A mediocre server who chats warmly will out-earn an efficient server who’s all business.
Source: Mega Tips, Michael Lynn, Cornell Center for Hospitality Research tool, 2004; group-size figures from Lynn & Latané, Journal of Applied Social Psychology, 1984, Study 1
Why groups tip less
In 1975, researchers Freeman, Walker, Borden, and Latané studied the tips left by groups of restaurant diners. Their paper, aptly titled “Cheaper by the Bunch,” documented something servers already knew:
The authors read the pattern as diffusion of responsibility. In a group, it is easy to assume someone else is handling the tip. “I’ll just match what everyone else does.” If everyone thinks this at once, the tip drifts low. It is an explanation that fits the data, not a proven cause.
A 1984 study by Michael Lynn and Bibb Latané put numbers on it at one International House of Pancakes in Columbus, Ohio. Across 169 tables, the percent tipped “dropped from 19% at tables of one to 11% at tables of four and six.” Their second study, at a more expensive restaurant, found no group-size effect at all. The pattern is real, but it does not show up everywhere.
This is why many restaurants add automatic gratuity for large parties. It’s less about groups tipping badly than about risk—one big, slow table where the tip could land anywhere. Without it, servers who work the hardest tables would earn the least. The problem is worst at bachelor and bachelorette dinners, where 12-person tables, varying drink orders, and celebration dynamics amplify every group-size effect.
The 800,000-transaction study. In 2022, researchers Haugom and Thrane analyzed over 800,000 restaurant transactions in Norway. They confirmed the pattern holds across cultures: group size and dining duration have hill-shaped nonlinear effects on tipping behavior.
Sources: Freeman, Walker, Borden & Latané, “Diffusion of Responsibility and Restaurant Tipping: Cheaper by the Bunch,” Personality and Social Psychology Bulletin, 1(4): 584-587, 1975; Lynn & Latané, “The Psychology of Restaurant Tipping,” Journal of Applied Social Psychology, 14(6): 549-561, 1984; Haugom & Thrane, J. Economic Behavior & Organization, 2022
Pre-tax or post-tax?
The classic etiquette answer: tip on the pre-tax subtotal. You’re tipping for service, not for sales tax.
The practical reality: most people tip on the post-tax total because that’s the number at the bottom of the receipt. And the difference is usually negligible.
The math on a $100 dinner:
Pre-tax tip (20%): $100 × 0.20 = $20.00
Post-tax tip (8.875% NYC tax): $108.88 × 0.20 = $21.78
Difference: $1.78 (less than 2%)
Either is acceptable. If you want to be technically correct, tip pre-tax. If you want to be generous (and avoid math), tip post-tax. What matters more than this distinction is tipping adequately. To see both bases side by side on your own bill, the free tip calculator with per-person split makes the base an explicit toggle instead of a hidden assumption.
Splitting tips fairly
Here’s the problem with splitting tips evenly: it ignores what everyone ordered.
The person who ordered the $45 ribeye generates a bigger tip obligation than the person with the $14 salad. If you split the tip evenly, the salad person overpays and the ribeye person underpays.
Fair tip splitting means proportional tip splitting. Your share of the tip should match your share of the bill. If you ordered 30% of the food, you pay 30% of the tip.
This is where mental math fails. Calculating “$45 ribeye is 35% of the $127 subtotal, so 35% of the $25.40 tip is $8.89” isn’t something anyone does at the table.
That’s why splitty calculates tip proportionally by default. Your share of the tip scales with your share of the meal. The ribeye person pays ribeye-level tip. The salad person pays salad-level tip.
Tipflation: The 2020s phenomenon
Something shifted during the pandemic. Tipping expectations expanded to counter service, takeout, and situations that historically didn’t involve tips. The term “tipflation” entered the lexicon.
Today’s iPad checkout screens often start at 20%, with options for 25% or 30%. The “no tip” option requires deliberate action—a design choice that leverages social pressure and default bias.
What the data shows (Toast, Q1 2024): Despite concerns about “tipflation,” actual restaurant tips have stabilized: full-service restaurants average 19.4%, quick-service averages 16%. The perceived pressure may exceed actual behavior change.
Is this reasonable? Opinions vary wildly. Some argue workers deserve more in an inflationary economy. Others argue that counter service (no table visits, no refills, no check delivery) shouldn’t command the same tip as full service. A 2025 academic paper from Florida International University is among the first scholarly examinations of the tipflation phenomenon.
A note on counter service: You are not obligated to tip 20% at a coffee shop or fast-casual restaurant. Tipping at these establishments is appreciated but optional. 10-15% or rounding up is generous. $0 is not rude—it’s historically normal. For a deep dive into iPad tip prompts and when counter service tips make sense, see our counter service tipping guide.
Special situations
Bad service
Truly terrible service warrants a reduced tip—but not zero. 10% signals “I noticed the problems.” Zero tips communicate nothing useful (was it bad service or a bad customer?). If the issue was serious, talk to a manager—that creates actual change.
Automatic gratuity
Many restaurants add 18-20% gratuity automatically for groups of 6+. This is standard. You’re not obligated to add more, but you can if service was exceptional. Worth knowing: an automatic gratuity is a mandatory service charge, not a true tip—legally the restaurant’s money, which is why it isn’t guaranteed to reach your server. That same line is spreading from big groups to every table as charges quietly replace tips.
Coupons and discounts
Tip on what the bill would have been, not what you actually paid. If your $100 meal was discounted to $50, tip on $100. The server did the same work.
Happy hour
Same principle. $4 margaritas still require the same bartender effort as $12 margaritas. Tip on approximate full price, or $1-2 per drink.
Gift cards and comped meals
If your meal was free (gift card, comp, etc.), tip as if you paid full price. The server’s work didn’t change.
Tipping around the world
American tipping culture is an anomaly. Most of the world operates differently.
Don’t tip. Tipping is considered rude—it implies the establishment isn’t paying fair wages.
10-15% optional. Service charge often included. “Discretionary service charge” means you can remove it.
Service compris. Service is included in menu prices by law. Small cash rounding is appreciated but not expected.
Not expected. Workers earn living wages ($21+/hour). Tipping is uncommon outside fine dining.
Not traditional. Tipping can cause confusion or even offense. Luxury hotels may be the exception.
10% included. “Taxa de serviço” is typically added to bills automatically.
The American model—where tips are expected, essential, and often over 20%—is the exception, not the rule. It reflects a specific labor history, not a universal standard of hospitality.
How splitty handles tips
splitty distributes tips proportionally by default. Your share of the tip scales with your share of the meal.
Set the tip percentage
Choose 15%, 18%, 20%, or enter a custom amount. The tip is calculated on the subtotal.
Proportional distribution
If your items were 30% of the subtotal, you pay 30% of the tip. No more subsidizing the ribeye with your salad.
Transparent breakdown
Everyone sees exactly how their share was calculated—subtotal, tax, tip, final amount. No surprises.
