Tipping and dining

What is Tipping and dining?

Tipping and dining covers a specific, recurring money problem: splitting a bill and calculating a fair tip without mental math. Instead of doing the math by hand or guessing, the tools on this page – Percentage Calculator, and Tip Calculator – give you an exact number in seconds, using the same formulas a financial professional would use.

Each tool listed here targets a different angle on tipping and dining. Start with whichever one matches your immediate question; the calculators are independent, so you can jump between them without losing any inputs, and every result updates instantly as you change a number.

Tools in this topic

• Percentage Calculator – Calculate percentages, percentage change, increases, decreases, and discounts. Solve for any unknown in a percentage problem — X is what percent of Y, what is X
• Tip Calculator – Calculate restaurant tips and split bills instantly. Standard 15-25%, custom percentages, sales tax handling, and per-person split — for any number of diners.

How to choose

• If you need a quick, one-off number, open the first tool above and enter your figures.
• If you’re comparing scenarios, open the tool in two browser tabs and change one variable at a time.
• If you want the full picture, check the Related Tools section on each calculator page for adjacent tools that cover the next step.