The right amount,
every single time.

15% is the minimum for acceptable service. 18–20% is the current US standard for good service — this has shifted upward over the past decade. 25%+ is for exceptional service. For counter service or fast casual, tipping is optional. For takeout, 10% is a kind gesture but not expected.

The most common US guideline is to cover the cost of your "plate" — roughly what it costs the couple to host you. For an average American wedding, that's $100–150 per guest. For a close friend or family member, $150–250 per couple is appropriate. Cash is genuinely the most appreciated wedding gift in the US today.

Yes. The standard is $1–2 per drink or 15–20% of your total tab, whichever is more. If you're running a tab, tip at the end. Good tipping builds a relationship with your bartender and typically results in faster, more generous service throughout the night.

Multiples of 18 are traditional in Jewish culture, as 18 represents "chai" (life). Common amounts: $54, $72, $108, $180, or $360. For a close family friend, $100–180 is appropriate. Cash, a check, or a savings bond are all well-received. Gifts tied to the child's interests are also appreciated.

In the US, not tipping for takeout is not considered rude — it's optional. If you tip, 10% is a kind gesture, especially at independent restaurants where staff may earn less. At chain restaurants, tipping for takeout is purely discretionary.

$3–5 per night is the standard US tip for hotel housekeeping. Leave it daily in cash on the pillow or nightstand — the person cleaning your room may change each day. Leave more ($5–10) for suites, extended stays, or if you made extra requests.

For high school graduation, $20–50 for friends and $50–100 for close friends or family is standard. For college graduation, $50–100 for friends and $100–200 for close family. Cash is almost universally the most appreciated graduation gift — it helps with moving costs, new apartment setup, or starting a new chapter.