Sales Tax Calculator
Calculate sales tax, subtotal and total price using our free online Sales Tax Calculator.
Results
About the Sales Tax Calculator
- Enter the purchase amount before tax.
- Enter the applicable sales tax percentage.
- The calculator instantly determines the sales tax amount.
- It also calculates the final price after sales tax has been added.
- This calculator works with any sales tax rate used around the world.
- Suitable for retailers, online sellers, small businesses and everyday purchases.
- Works with any currency because it simply uses the values you provide.
- All calculations are performed instantly in your browser.
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How to Calculate Sales Tax
Enter the purchase amount and the applicable sales tax rate to instantly calculate the sales tax, subtotal and total amount payable.
Overview
The Sales Tax Calculator helps businesses, retailers, consumers and accountants quickly calculate sales tax on purchases. Whether you are preparing invoices, estimating shopping costs, pricing products or calculating tax for business transactions, this calculator provides an instant breakdown of the purchase amount, tax amount and final total. Because sales tax rates vary between countries, states and local jurisdictions, you can enter any percentage required for your calculation.
Benefits
How It Works
Enter the purchase amount.
Enter the applicable sales tax rate.
The calculator determines the sales tax amount.
The tax amount is added to the purchase price.
The final amount payable is displayed instantly.
How to Use This Tool
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1Enter the purchase amount.
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2Enter the sales tax percentage.
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3Review the calculated tax amount.
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4Review the total amount payable.
Helpful Tips
- Sales tax is normally calculated before payment is made.
- Different states, provinces and countries use different tax rates.
- Always confirm the correct sales tax rate for your location.
- Keep tax calculations with your purchase records.
- Use the calculator when preparing customer invoices.
- Businesses should ensure tax rates remain up to date.
- Remember that some products may be tax exempt.
- Check whether shipping charges are also taxable in your jurisdiction.
Common Uses
Retail purchases.
Business invoices.
Online shopping.
Wholesale transactions.
Point of sale calculations.
Import cost estimates.
Business quotations.
Purchase budgeting.
Worked Examples
The following examples demonstrate how this tool can be used in realistic scenarios.
Retail purchase
Calculate the total amount payable after applying sales tax to a customer purchase.
Business invoice
Estimate the sales tax due before issuing an invoice to a customer.
Online shopping
Calculate the final checkout price after sales tax has been added.
Wholesale order
Determine the tax payable on a larger business purchase.
Common Mistakes
Avoid these common mistakes to achieve the most accurate results.
- Using the wrong sales tax percentage.
- Confusing sales tax with VAT or GST.
- Applying tax more than once.
- Ignoring tax exemptions.
- Using outdated tax rates.
- Forgetting local or regional tax differences.
- Entering the total price instead of the pre-tax amount.
- Not checking whether shipping charges are taxable.
Glossary
Definitions of the most important terms used by this tool.
Sales Tax
A tax charged on the sale of goods or services and collected by the seller on behalf of the government.
Tax Rate
The percentage used to calculate the amount of sales tax due.
Purchase Amount
The price of goods or services before tax is applied.
Tax Amount
The monetary value of the sales tax charged on a purchase.
Total Price
The final amount payable after sales tax has been added.
Tax Exemption
Goods or services that are not subject to sales tax under local regulations.
Invoice
A document requesting payment for goods or services supplied.
Point of Sale
The location where a customer completes a purchase and tax is usually calculated.
Frequently Asked Questions
What is sales tax?
Sales tax is a percentage charged on the sale of goods or services and added to the purchase price.
Can I use any currency?
Yes. The calculator works with any currency because it performs percentage calculations.
Does this calculate VAT?
No. VAT is calculated differently in many countries and has its own dedicated calculator on SwiftVecto.
Can I use any sales tax percentage?
Yes. Simply enter the tax rate that applies in your state, province or country.
Does the calculator include discounts?
No. Enter the purchase amount after any discounts have been applied if required.
Can businesses use this calculator?
Yes. It is suitable for preparing invoices, quotations and estimating customer charges.
Why do sales tax rates differ?
Different governments and local authorities set their own tax rates and exemptions.
Is the result suitable for accounting purposes?
The calculator provides estimates and should be verified against local tax regulations where required.
Things to Know
- Results are rounded to two decimal places.
- Tax rates vary depending on your country, state or local jurisdiction.
- Some products and services may be tax exempt.
- Always verify applicable tax rates before issuing invoices.
Disclaimer
This calculator is provided for educational and estimation purposes only.
Always verify applicable sales tax rates using your local tax authority.
SwiftVecto accepts no responsibility for tax calculations used without independent verification.