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Calculate tip amount, total with tip, and fair per-person share when splitting a check. Enter the bill, tip percentage, and number of diners for a quick restaurant math helper.

Calculator

Tip & split

Tip is calculated on the pre-tax subtotal you enter. People should be a whole number.

Splitting fairly

We divide the bill plus tip evenly across the headcount you enter. If some guests ordered more, you may need to split items manually or use separate checks.

Quick reference (on a $100 subtotal)

Tip %Tip on $100 billTotal
15%$15.00$115.00
18%$18.00$118.00
20%$20.00$120.00
22%$22.00$122.00

Bill vs tip (demo)

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Frequently asked questions

Quick answers about this calculator. For legal or financial decisions, consult a professional.

  • Is tip calculated on the pre-tax amount?

    This tool uses the bill amount you enter—typically the subtotal before tax if that is what you type. If your group tips on post-tax totals, include tax in the bill field.

  • What about rounding to cash?

    Displayed amounts are exact splits; real-world cash rounding may differ by a few cents per person.

  • Does it handle separate checks?

    No. It assumes one shared bill split evenly. Uneven orders need manual adjustment.

  • Is this legal or tax advice?

    No. It is a simple arithmetic helper for splitting costs.