Tip Calculator

The Tip Calculator figures out an appropriate gratuity for a bill and, when needed, splits the total evenly among several people. You enter the bill amount and choose a tip percentage, and it returns the tip in dollars, the new total, and the per-person share. It takes the guesswork and awkward arithmetic out of dining, ride-sharing, salons, and other service situations.

The math is simple but easy to fumble in a hurry: the tip equals the bill multiplied by the chosen percentage, the total is the bill plus the tip, and the per-person amount is that total divided by the number of guests. A subtle but important decision is whether to tip on the pre-tax subtotal or the post-tax total; tipping on the subtotal is the more traditional convention, and the calculator lets you choose so you are not inadvertently tipping on the tax itself.

People use it at restaurants to land on a fair gratuity quickly, to split a shared bill without anyone overpaying, and to standardize tipping percentages across different service levels. It is also handy for rounding the final total up to a clean number, which many diners prefer when paying in cash.

A practical tip is to agree up front whether the group is tipping on the subtotal or the grand total, because tipping on a tax-inclusive figure quietly inflates the gratuity. If your receipt only shows the post-tax total, use a Sales Tax Calculator to recover the subtotal first, then apply the tip to that cleaner base.