Sales Tax & VAT Calculator
Add or remove sales tax or VAT for any percentage rate. Convert between tax-inclusive and tax-exclusive amounts.
Amount & tax rate
Use your local VAT, GST, or sales tax rate.
This doesn't affect calculations — it only controls the symbol/format.
Use this as a quick helper for invoices, quotes, and pricing. For complex tax rules, always confirm with your accountant or local authority.
Breakdown
Enter an amount and tax rate to see the breakdown.
Free sales tax and VAT calculator
This sales tax and VAT calculator helps you quickly add tax to a price or remove tax from an amount that already includes it. It is useful for business owners, freelancers, ecommerce sellers, accountants, and shoppers who want a faster way to work with tax-inclusive and tax-exclusive pricing.
Instead of calculating tax manually, you can enter the amount, choose the rate, and instantly see the tax portion, the pre-tax amount, and the final total.
What this tax calculator helps you do
- add sales tax or VAT to a base price
- remove included tax from a final amount
- work with any custom tax percentage
- check tax-inclusive and tax-exclusive pricing
- estimate totals for invoices, quotes, and receipts
That makes it useful across different countries and pricing models, especially when tax rates vary by region or product type.
Tax-inclusive vs tax-exclusive prices
A tax-exclusive price is the amount before sales tax or VAT is added. A tax-inclusive price already contains the tax amount. Knowing which one you are working with matters when comparing supplier quotes, listing product prices, or preparing invoices.
This calculator makes it easier to move between both views without having to remember formulas every time.
Common uses for a sales tax or VAT calculator
Business pricing
Check whether prices should be shown before tax or after tax when quoting clients or setting product prices.
Invoices and bookkeeping
Break totals into tax and non-tax portions for cleaner invoicing and financial records.
Shopping comparisons
Work out the real cost of a product when tax is added separately or already included in the advertised price.
Ecommerce operations
Review pricing logic across tax-inclusive and tax-exclusive storefront setups.
Why use an online tax calculator?
Manual tax calculations are easy to get wrong, especially when you are switching between inclusive and exclusive pricing or using different rates for different situations. An online calculator saves time, reduces mistakes, and makes it easier to explain totals clearly to customers, clients, or team members.
It is also helpful when you need a quick answer during quoting, checkout planning, budgeting, or supplier comparisons.
Example tax calculations
Example 1: If the base price is 100 and the tax rate is 15%, the tax is 15 and the final total is 115.
Example 2: If the final price is 115 and the tax rate is 15%, the original pre-tax amount is about 100 and the tax portion is 15.
Example 3: If the base price is 250 and the tax rate is 8%, the tax is 20 and the final price is 270.
Useful for global sales tax and VAT rates
Different countries and regions use different systems, including VAT, GST, and sales tax. A flexible calculator that accepts any percentage is useful when working across markets or when tax rules vary by state, province, or country.
That makes this tool a practical option for international sellers, agencies, freelancers, and finance teams who do not always work with a single fixed tax rate.
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Frequently Asked Questions
Can I use this for both VAT and sales tax?
Yes. Set the rate you need and choose whether your starting amount includes tax or not. The calculator works for VAT, GST, and sales tax.