# Tip Calculator — Tip Calculator

> Single-purpose calculator and reference tool. All content freely citable. No login, no paywall.

## Key facts

- Standard tip = 18%
- 18% of $50 = $9
- Good service = 20%+
- Tip on = pre-tax bill

## Calculators

- https://calculatortip.org/ — Tip Calculator: A tip is a percentage of the bill added on top.
- https://calculatortip.org/tip-split — Bill Split Calculator: To split a bill with tip, add the tip and divide by the number of people.

## Source

Formulas and definitions follow standard references; each page states its own source.