Sales Tax Calculator - Calculate Sales Tax & Total

Sales Tax Calculator - Calculate Sales Tax

Calculate sales tax instantly with our free calculator. Compute tax-inclusive and tax-exclusive prices for any US state with current tax rates and detailed breakdowns.

Calculate Sales Tax

Purchase Details:

• Before-Tax Price: $[Input]
• Sales Tax Rate: [Dropdown: by state or custom %]

Or:

• After-Tax Price: $[Input]
• Sales Tax Rate: [Dropdown: by state or custom %]

[Calculate Button]

Your Results:

• Before-Tax Price: $[Amount]
• Sales Tax: $[Amount]
• After-Tax Price: $[Amount]
• Effective Tax Rate: [Percentage]%

State Information:

• [State name]
• [Current tax rate]
• [Local tax info]

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What is Sales Tax?

Sales tax is a consumption tax imposed by the government on the sale of goods and services. It's a percentage added to the price of taxable items, collected by retailers at the point of sale and remitted to the state.

How It Works

At purchase:

Item Price: $100
Sales Tax Rate: 8%
Tax Amount: $100 × 0.08 = $8
Total Paid: $108

After purchase:

• Retailer keeps $100
• Remits $8 to state government
• Consumer pays $108 total

Current US Sales Tax Rates

State	State Rate	Avg. Local Tax	Combined Rate
California	7.25%	1.41%	8.66%
Texas	6.25%	1.94%	8.19%
New York	4.00%	4.52%	8.52%
Florida	6.00%	1.08%	7.08%
Nevada	6.85%	1.29%	8.14%
Washington	6.50%	2.71%	9.21%
Tennessee	7.00%	2.51%	9.51%
Louisiana	4.45%	5.07%	9.52%
Alabama	4.00%	5.24%	9.24%
Oklahoma	4.50%	4.44%	8.94%
Alaska	0.00%	1.76%	1.76%
Delaware	0.00%	0.00%	0.00%
Montana	0.00%	0.00%	0.00%
New Hampshire	0.00%	0.00%	0.00%
Oregon	0.00%	0.00%	0.00%

States with No State Sales Tax

• Alaska (local option allowed)
• Delaware (none)
• Montana (none)
• New Hampshire (none)
• Oregon (none)

Highest Combined Rates

1. Louisiana: 9.52% (4.45% state + 5.07% local)
2. Tennessee: 9.51% (7% state + 2.51% local)
3. Washington: 9.21% (6.5% state + 2.71% local)
4. Arkansas: 9.47% (6.5% state + 2.97% local)
5. Alabama: 9.24% (4% state + 5.24% local)

How to Calculate Sales Tax

Tax-Exclusive (Most Common)

Price shown is before tax

Formula:

Sales Tax = Price × Tax Rate
Total Price = Price + Sales Tax

Example (8% rate):

Item Price: $50
Sales Tax = $50 × 0.08 = $4
Total = $50 + $4 = $54

Tax-Inclusive (Less Common)

Price shown includes tax

Formula:

Price = Tax-Inclusive Price
Sales Tax = Tax-Inclusive Price × [Tax Rate / (1 + Tax Rate)]
Pre-Tax Price = Tax-Inclusive Price / (1 + Tax Rate)

Example (8% rate):

Price: $54 (including tax)
Sales Tax = $54 × [0.08 / (1 + 0.08)]
Sales Tax = $54 × 0.074 = $4
Pre-Tax Price = $54 / 1.08 = $50

Common Sales Tax Calculations

Example 1: Online Purchase

Scenario:

• Item: $200
• Shipping: $15
• Tax Rate: 7.25% (California)

Calculation:

Taxable Amount: $200 (item only, usually)
Tax: $200 × 0.0725 = $14.50
Total: $200 + $14.50 + $15 = $229.50

Note: Tax usually applies to the item only, not shipping

Example 2: Restaurant Meal

Scenario:

• Food: $40
• Drinks: $12
• Tax Rate: 8.25%

Calculation:

Subtotal: $40 + $12 = $52
Tax: $52 × 0.0825 = $4.29
Total: $52 + $4.29 = $56.29

Example 3: Car Purchase

Scenario:

• Car: $25,000
• Dealer Fees: $500
• Tax Rate: 6.5%

Calculation:

Taxable Amount: $25,500
Tax: $25,500 × 0.065 = $1,657.50
Total: $25,500 + $1,657.50 = $27,157.50

Tax-Exclusive vs Tax-Inclusive

Understanding the Difference

Situation	Type	What You See
US Retail	Exclusive	Price + tax at register
Most Countries	Inclusive	Tax already in price
US Online	Exclusive	Usually, depends on state

Why It Matters

US Pricing:

Price tag: $100
At register: "Plus tax"
Final: $107.25 (California)

European Pricing:

Price tag: €100 (VAT included)
Final: €100 (no surprise)

Exemptions and Exceptions

Common Exemptions

Typically Exempt:

• Groceries (unprepared food)
• Prescription drugs
• Medical devices
• Educational materials (textbooks)
• Utilities (residential)

Sometimes Exempt:

• Clothing (certain states)
• Over-the-counter medicines
• Agricultural supplies

Sales Tax Holidays

Some states offer tax-free shopping days:

• Back-to-school supplies
• Disaster preparedness
• Energy-efficient appliances
• Hurricane supplies

Participating states vary by year and event

State-by-State Guide

High Tax States (>8.5%)

State	Combined Rate	Notes
Louisiana	9.52%	Highest local options
Tennessee	9.51%	No state income tax
Washington	9.21%	High local tax
Arkansas	9.47%	High local option

Low Tax States (<4%)

State	Combined Rate	Notes
Alaska	1.76%	Local option only
Delaware	0.00%	No sales tax
Montana	0.00%	No sales tax
New Hampshire	0.00%	No sales tax
Oregon	0.00%	No sales tax

Popular States

California:

• State: 7.25%
• Average Local: 1.41%
• Combined: 8.66%

Texas:

• State: 6.25%
• Average Local: 1.94%
• Combined: 8.19%

Florida:

• State: 6.00%
• Average Local: 1.08%
• Combined: 7.08%

New York:

• State: 4.00%
• NYC: 4.50% (city) + 4% (state) = 8.875%
• Rest of state varies by county

Online Sales Tax

Marketplace Fairness

Current Rules:

• Many states require online retailers to collect tax
• Based on "nexus" (connection to state)
• Destination sourcing: Use buyer's address

When Online Sellers Collect Tax

They have nexus if:

• Physical presence in state
• Economic activity threshold ($100K+ sales usually)
• Affiliate relationships in some states

Marketplaces Facilitate

Amazon, eBay, etc.:

• Often collect tax for 3rd party sellers
• Handle calculation automatically
• Show tax at checkout

Travel and Sales Tax

Buying Out of State

Purchases shipped to you:

• Usually taxed at your home state rate
• Seller collects if they have nexus
• Otherwise "use tax" may apply

Use Tax:

• Owe tax when buying from out-of-state retailer
• Usually same rate as state sales tax
• Report on state tax return

Travel Purchases

Hotels, Rentals, Restaurants:

• Usually taxed at location rate
• Different states have different rates
• Plan accordingly for budget

How do I calculate sales tax from total price?

Divide the tax rate by (1 + tax rate), multiply by total price. Example: $108 total, 8% tax rate. Tax = $108 × [0.08/1.08] = $8. Pre-tax price = $100.

What is sales tax used for?

Sales tax revenue funds: state government operations, education, infrastructure, public safety, and local services. It's a primary revenue source for most states.

Do all states have sales tax?

No. Alaska, Delaware, Montana, New Hampshire, and Oregon have no state sales tax. Alaska allows local option sales tax, which some municipalities use.

How is sales tax different from VAT?

Sales tax is added at final sale to consumer. VAT (Value Added Tax) is added at each production stage and included in displayed price in most countries.

Is shipping taxable?

Usually not. Most states don't tax shipping charges. Tax applies to the product cost only. Some states have exceptions or special rules.

Do I pay sales tax on out-of-state purchases?

If seller doesn't collect tax and you're in a tax state, you owe "use tax" on your state income tax return. Same rate as sales tax usually.

What states have the highest sales tax?

Louisiana (9.52%), Tennessee (9.51%), Washington (9.21%), Arkansas (9.47%), and Alabama (9.24%) have the highest combined rates when including local taxes.

How do I find my local sales tax rate?

Check your state's Department of Revenue website. Many provide tax rate lookup tools by address or zip code.

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Practice Examples

Example 1: Calculate Total with Tax

Price: $150 Rate: 8.25%

Calculation:

Tax = $150 × 0.0825 = $12.38
Total = $150 + $12.38 = $162.38

Example 2: Find Pre-Tax Price

Total: $216.30 Rate: 8%

Calculation:

Pre-tax = $216.30 / 1.08 = $200.28
Tax = $216.30 - $200.28 = $16.02

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• VAT Calculator
• Margin Calculator
• Markup Calculator
• Discount Calculator
• Income Tax Calculator

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Need Help? Our sales tax calculator is perfect for shoppers, business owners, and travelers. Calculate sales tax now!