Sales
Tip Calculator
Calculate tip amount and total bill from a tip percentage.
Free to use — no sign-up or login.
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Tip
Total
A tip calculator answers two questions: how much gratuity does a percentage add, and what will the bill total be afterward? Enter the bill amount and the tip rate to see both figures. For a $50 bill at 18%, the tip is $9 and the total is $59.
The percentage is applied to exactly the amount you enter. If you prefer to calculate a tip from the pre-tax subtotal, enter that subtotal rather than the taxed total. This page doesn't split a bill between people or calculate sales tax; use the Total Price Calculator for unit prices, quantity, and tax, or the Discount Calculator for a price reduction.
Choosing the amount to tip on
Restaurant receipts sometimes show a subtotal, tax, and grand total. A percentage of the subtotal will usually produce a different tip from the same percentage of the grand total. For example, 18% of a $50 subtotal is $9, whereas 18% of a $54 taxed bill is $9.72. The calculator does not choose a tipping convention for you: enter whichever basis you intend to use.
Checking the final amount
The tip equals the entered bill multiplied by the tip rate divided by 100; the final total is the entered bill plus that tip. If a receipt already includes a service charge or gratuity, check it before adding another amount. Local practices and workplace policies differ, so this tool calculates arithmetic rather than recommending a customary percentage.
Worked example
Bill $50 at 18%: tip = 50 × 0.18 = $9. Total = 50 + 9 = $59.
\[ T=50\times 0.18=9 \]
Frequently asked questions
Should I tip on tax?
This calculator applies the percent to the bill amount you enter. Some people tip on pre-tax subtotal; enter that figure if that is your convention.
Does the tip percentage include tax?
Only if the bill amount you enter includes tax. The tool doesn't separately identify or remove tax.
Can I calculate a zero tip?
Yes. A rate of 0% adds nothing, so the total equals the entered bill.
Does this split the check among diners?
No. It calculates one tip and one total; it has no number-of-people input.
Sources
Assumptions and limitations
The result assumes one bill amount and one percentage. It does not calculate bill splitting, included service charges, discounts, or tax separately. Tip customs vary by location and situation; the tool is not a recommendation on what to tip.