🧾 Tax + Tip Calculator
Calculate sales tax and tip together in one step.
🧾 Tax + Tip Calculator
Enter your pre-tax bill and local tax rate to get a full breakdown including tip.
Results
Tax & Tip Guide
Before Tax
Traditionally, you tip on the pre-tax amount — tax is a government charge, not service.
After Tax
Most people tip on the post-tax total for simplicity. The difference is usually small.
Tax Rates
US average sales tax is 7–10%. Check your receipt for the exact rate.
Split Option
Enter number of people for automatic per-person calculation including tax and tip.
Should You Tip Before or After Tax?
Etiquette traditionally says tip on the pre-tax amount, since the tax doesn't reflect service quality. However, most Americans tip on the post-tax total for ease. On a $100 bill with 8% tax, the difference at 20% tip is just $1.60.
What's the Average Sales Tax in the US?
US average combined state and local sales tax is approximately 7.12%. Rates vary widely: Oregon has 0%, while some Tennessee localities exceed 10%. Always check your receipt.
How to Calculate Tax and Tip Together
Our calculator does it instantly. Manually: multiply bill by tax rate, add to bill, then multiply the total (or pre-tax bill) by your tip percentage and add that too.