Skip to main content

Tip Calculator

Use this tip calculator to find the tip, full bill total, and an even per-person split from the bill amount and tip percentage. Entering sales tax or rounding the total is optional, so the everyday calculation stays quick.

How to use the tip calculator

Use this when you know the bill and the percentage you want to leave. It handles one check and an even split; it does not allocate different orders between diners or decide what tip rate is appropriate.

Enter the bill before tip

Use the check subtotal. Add sales tax under More options only when you want it included in the displayed total.

Enter 20 for 20%

The percentage field expects a whole , so enter 20 rather than 0.20.

The split is even

The people field divides the entire bill, tax, and tip evenly. It is not an item-by-item bill splitter.

Example: a $50 bill with a 20% tip

  1. For a 50 bill, a 20% tip is 10.00, making the full total 60.00.
  2. Split evenly between 2 people, the tip is 5.00 each and the total is 30.00 each.

How the tip is calculated

Tip = tip base × tip percentage ÷ 100. The total is the bill plus any entered tax plus the tip. By default, the tip applies to the pre-tax bill; if tax is entered, More options can apply it to the post-tax amount instead.

How the per-person split works

The calculator divides both the tip and the final total by the number of people. Currency is rounded to cents, and any cent that cannot be divided evenly is called out in the calculation details.

References

(2)
  1. General Tipping Guide

    Emily Post Institute · accessed 2026-08-25

  2. NIST Guide to the SI, Chapter 7: Rules and Style Conventions for Expressing Values of Quantities

    National Institute of Standards and Technology · accessed 2026-08-25