판매세 계산기
모든 주의 구매에 대한 판매세 계산
States with No Sales Tax
About Sales Tax
Sales tax rates shown are state-level rates only. Many cities and counties addadditional local taxes. For exact rates, check your local tax authority. Some items like groceries and medicine may be exempt or taxed at reduced rates depending on your state.
Sales Tax Formulas
Tax Amount: Price × (Rate ÷ 100)
Total with Tax: Price + Tax Amount
Price Before Tax: Total ÷ (1 + Rate ÷ 100)
출처 및 방법론
Tax = Price × (State Rate + Local Rate)Combined state and local sales tax
How to Use the Sales Tax Calculator
Our sales tax calculator helps you calculate tax amounts, final prices with tax, or reverse-calculate the original price from a tax-included total. Select your US state for current tax rates or enter a custom rate.
Three Calculation Modes
- Add Tax: Enter price before tax + tax rate → get tax amount and total price
- Reverse (Tax Included): Enter total with tax → get original price and tax amount
- Find Tax Rate: Enter original price and total → calculate what tax rate was applied
US State Sales Tax Rates (2026)
Sales tax rates vary by state and can also include local taxes. Our calculator includes current state base rates. Note that some states have no sales tax:
- No Sales Tax: Alaska, Delaware, Montana, New Hampshire, Oregon
- Highest Rates: California (7.25%), Tennessee (7%), Louisiana (4.45% + local)
- Most Common: 6-7% range for most states
Sales Tax Formula
The basic formulas are:
- Tax Amount: Price × (Tax Rate / 100)
- Total Price: Price + Tax Amount
- Original Price (from total): Total / (1 + Tax Rate / 100)
Common Uses
- Shopping - calculate what you'll actually pay at checkout
- Budgeting - factor tax into purchase decisions
- Business - calculate tax to collect on sales
- Receipts - verify tax calculations were correct
Related Finance Calculators
Calculate savings with our discount calculator before adding tax. For larger purchases, check our loan calculator or auto loan calculator. Track your budget with the paycheck calculator.
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