Tip and Tax Calculator
Enter a subtotal, sales tax rate, and tip percent to get the tax, gratuity, grand total, and per-person split with a pre-tax vs post-tax toggle.
Tip and Tax Calculator
Bill Subtotal
Enter the pre-tax food and drink total printed above the tax line.
Sales Tax Rate
Combined state plus local rate. Five states (AK, DE, MT, NH, OR) have no statewide sales tax.
Tip Percent
Tip On
Etiquette authorities recommend tipping on the pre-tax subtotal. POS terminals often default to post-tax.
Splitting Between
Estimates only. This calculator is for personal planning and is not tax or legal advice. Confirm sales tax rates and tipping conventions for your location.
How this tip and tax calculator works
You enter four things: the bill subtotal printed above the tax line, your local sales tax rate, the tip percent you want to leave, and whether the tip is figured on the pre-tax or post-tax amount. The calculator shows a receipt-style stack with subtotal, sales tax, tip, and grand total, plus a per-person share if you're splitting the check.
Here's a worked example. A $50 subtotal at an 8.25% sales tax rate adds $4.13 in tax for a $54.13 post-tax total. A 20% tip on the pre-tax subtotal is $10.00, for a grand total of $64.13. Tipping on the post-tax total instead works out to $10.83, a difference of $0.83 on the same check.
The "Tip On" toggle is the headline choice. Pre-tax is the etiquette-book answer. Post-tax is what most card readers suggest and what slightly more diners actually do. Either way, the math is right in front of you so you can decide.
Tip on pre-tax or post-tax? What etiquette experts say in 2026
The Emily Post Institute, Debrett's, and most US etiquette authorities recommend tipping on the pre-tax subtotal. The reasoning is simple: sales tax is collected for the state, not earned by your server, so it shouldn't be part of the gratuity base.
POS terminals from Square, Toast, and Clover typically calculate the suggested 15%, 18%, and 20% tip buttons on the post-tax total. That's a design choice by the payment processor, not a rule. In 2024 a Dave & Buster's tipping screen went viral for the same reason, and several news outlets covered the gap between what guests think they're tipping and what they're actually being prompted to pay.
How much does it add up to? On a typical $50 sit-down check at 8% sales tax and a 20% tip, post-tax tipping costs about $0.80 extra. Across 200 meals out a year, that's roughly $160 in extra gratuity. Diners who eat out more often, or live in higher-tax cities, can see the gap reach $300 to $400 a year.
Sales tax rates by state, what to enter
Use your combined state and local rate. The receipt usually prints it as a percentage. If it doesn't, divide the tax line by the subtotal and multiply by 100, then round to two decimals.
A few common combined averages, drawn from the Tax Foundation's state and local sales tax data:
- California: about 8.7% statewide average, higher in Los Angeles County and San Francisco
- Texas: about 8.2% with a state base of 6.25% plus local add-ons
- New York City: 8.875%, one of the highest big-city combined rates
- Florida: about 7.0%, with a 6.0% state rate and local surtaxes
- Illinois (Chicago): around 10.25%, often the highest sales tax of any major US city
- No statewide sales tax: Alaska, Delaware, Montana, New Hampshire, Oregon. Some Alaskan boroughs add a local rate.
If you travel a lot, save the rate for the cities you visit most. Entering the wrong rate by even a percentage point on a $100 check is only about a dollar of tax, but the tip change is what catches most people off guard when they tip post-tax.
Splitting a tipped bill fairly with friends
The fairest even split is to add subtotal, sales tax, and tip together and divide by the number of people. That's what this calculator does by default. For a $50 subtotal at 8.25% tax and a 20% pre-tax tip, the grand total is $64.13, and a four-way split lands at $16.04 per person.
If everyone ordered roughly the same thing, the even split is right. If one person had a $40 entrée and another had a $12 salad, an itemized split is fairer. Total each person's items, then prorate sales tax and tip by their share of the subtotal. The /tools/bill-tip-split-calculator/ handles the even case from start to finish, and the /tools/tip-percentage-calculator/ helps when you want to back into a percent from a known tip amount.
The round-up-per-person toggle is for tables that hate fishing for coins. It rounds each share up to the nearest whole dollar, then puts the leftover cents into the tip. On the same $64.13 four-way split, rounding each share to $17 brings the grand total to $68 and pushes the tip from $10 to $13.87. Quick to settle, slightly more generous, and your server appreciates it.
For tipping context across the industry, the /tools/tipped-minimum-wage-by-state/ explains why gratuities matter so much in states with subminimum tip wages, and the /tools/no-tax-on-tips-calculator/ shows how the 2025 to 2028 federal deduction affects what a server actually keeps. If you want to track your own tips on the receiving end, the Server44 app logs cash and card tips and shows your real take-home after taxes.
Frequently Asked Questions
Common questions about tip and tax calculator
Should you tip on the pre-tax or post-tax amount?
Etiquette authorities like Emily Post and Debrett's say to tip on the pre-tax subtotal because sales tax goes to the government, not your server. POS terminals usually suggest amounts based on the post-tax total. The difference on a $50 check with about 8% tax and a 20% tip is roughly $0.80.
What's a normal tip percentage at a restaurant in 2026?
18 to 20% for sit-down service is the current US norm. 15% is the low end, and 25% or more signals exceptional service. For a quick check of how much you actually left, try the /tools/tip-percentage-calculator/.
Is the tip I leave taxable income for the server?
Yes. Per IRS Topic 761, all cash, card, and pooled tips are taxable wages for the employee and must be reported. The federal no-tax-on-tips deduction, in effect for 2025 through 2028, lets eligible tipped workers deduct up to $25,000 of qualified tips from federal taxable income, but the tip is still reportable. See the /tools/no-tax-on-tips-calculator/ for details.
How do I split a bill with tax and tip fairly?
Add the bill subtotal, sales tax, and tip together, then divide by the number of people. For uneven orders, split each item among the people who ordered it, then prorate tax and tip by each person's share of the subtotal. The /tools/bill-tip-split-calculator/ handles the even split case directly.
Do I tip on takeout, delivery, or alcohol the same way?
Sit-down service: 18 to 20% on the pre-tax subtotal. Takeout: 10% is typical, or skip if you grab it yourself. Delivery: 15 to 20% plus the delivery fee. Bar drinks: $1 to $2 per drink or 18 to 20% on a tab.
What sales tax rate should I enter?
Use your combined state plus local rate. It's printed on the receipt as a percentage, or you can divide the tax line by the subtotal. California averages about 8.7%, Texas about 8.2%, New York City 8.875%, and five states (AK, DE, MT, NH, OR) have no statewide sales tax.
Does a service charge count as a tip?
No. A mandatory service charge, like the 18% added for parties of six or more, is treated as wages by the IRS, not a tip. It's already in the bill, so you don't need to tip on top unless service was exceptional. The /tools/service-charge-vs-tip-calculator/ shows the difference side by side.
Why is my tip slightly higher when I round each share up to a whole dollar?
Rounding each person's share up to the nearest dollar adds the leftover cents to the tip line. It makes the math easy at the table and quietly bumps the gratuity up by a few cents to a few dollars.