America is a diverse and culturally rich country, but many everyday American habits seem strange or even shocking to people from other countries. Here are 10 things Americans do that often surprise foreigners.

1. Smiling at strangers

In many countries, people don’t smile at random strangers.
But in the U.S., smiling is considered polite and friendly.
Foreigners often wonder: “Do they know me?”

2. Free refills everywhere

In American restaurants, you get unlimited refills on soda, coffee, and iced tea.
Most foreigners are shocked when their drink gets filled without asking and without extra charge.

3. Huge portion sizes

American meals — especially fast food — are almost twice the size of meals in Europe or Asia.
Visitors often say: “This could feed a whole family!”

4. Tipping culture

The U.S. expects tips everywhere: restaurants, taxis, delivery, even salons.
Not tipping is considered rude.
Foreigners find this confusing because many countries do not use tipping.

5. Ice-cold drinks

Americans love putting tons of ice in their drinks — even when it’s cold outside.
Some visitors say the ice takes up more space than the drink itself.

6. Using small talk with everyone

“Hey, how are you?” doesn’t mean Americans want a long conversation.
It’s just a polite greeting.
Foreigners often try to answer seriously — and feel awkward.

7. Public restrooms with gaps

Foreigners always ask: “Why are there big gaps in American restroom doors?”
Americans don’t even notice it, but visitors find it uncomfortable.

8. Asking about your job immediately

In the U.S., it’s normal to ask:
“What do you do for a living?”
In many cultures, this sounds too personal.

9. Everything is “super-sized”

From roads to cars to coffee cups — everything in America is BIG.
Foreigners always comment on the size of American highways and vehicles.

10. Celebrating everything

Americans celebrate: Halloween, Thanksgiving, Super Bowl, Black Friday, baby showers, and more.
Foreigners are surprised by how many holidays and themed parties Americans love.

The U.S. is full of unique habits that may seem strange at first but make American culture exciting and different. Understanding these customs helps foreigners feel more comfortable when visiting or living in the United States.