How to use it
- Use the formula below with your own figures.
The formula
Tip = bill × tip%.
Worked example
A $80 bill at 18% is a $14.40 tip.
Frequently asked questions
Tip on pre-tax?
Custom varies; either is fine.
Split evenly?
Yes — divide total by people.
Tips
- Automate the boring parts of your budget.
- Compare unit prices, not package prices.
- Small recurring costs add up over a year.
Key terms
- Net worth
- Assets minus liabilities.
- Budget
- A plan for income and spending.
- Unit cost
- Price per single unit.