About the Pizza Tip Calculator
This calculator figures out how much to tip on a pizza order, adds sales tax, and splits the total bill evenly among a group. Enter the order subtotal shown on the receipt, your local sales tax rate, the tip percentage you want to leave, and the number of people sharing the cost.
The formula
The calculator uses the standard tip formula, applying both the tax rate and the tip percentage to the pre-tax order subtotal, then adding everything together:
- Tip amount = Subtotal × (Tip % ÷ 100)
- Tax amount = Subtotal × (Tax rate % ÷ 100)
- Total bill = Subtotal + Tax amount + Tip amount
- Amount per person = Total bill ÷ Number of people
Following common U.S. tipping convention, the tip is calculated on the pre-tax subtotal rather than the post-tax total, since sales tax is a government charge and not money the restaurant or driver earned. If you would rather tip on the after-tax amount, just enter a tip percentage that already reflects the larger base you have in mind.
Typical tip percentages
- 10-15%: Carryout or pickup orders, where there is no table service or delivery involved.
- 15-20%: Standard sit-down dining or pizza delivery.
- 20% or more: Exceptional service, bad-weather deliveries, or large and complicated orders.
Worked example
A $32.00 pizza order with 8% sales tax and an 18% tip: tax = $32.00 × 0.08 = $2.56, tip = $32.00 × 0.18 = $5.76, and the total bill = $32.00 + $2.56 + $5.76 = $40.32. Split between 2 people, each person owes $20.16.
Practical context
The calculator handles the arithmetic, but it assumes an even split — it does not know who ordered an extra topping or a side of wings. If the group did not order equally, settle those differences separately before or after splitting the calculated total.