Sales Tax & VAT
Accurately add or remove sales tax, VAT, or GST. Switch between inclusive and exclusive pricing with detailed breakdowns for business and personal use.
Tax Amount
15% of Net Amount
Total Amount
Final cost after adjustment
Price Deconstruction
Built With Care
“Sales tax is calculated on the post-discount subtotal, not the original price. When removing tax from an inclusive price, the formula Net = Total / (1 + Rate) ensures mathematically correct reverse calculation.”
Professional Sales Tax & VAT Calculator
Calculate sales tax, VAT, or GST with inclusive and exclusive pricing modes. This free online tax calculator provides instant breakdowns of net amount, tax amount, and gross total for business and personal use.
- 1Select your calculation mode: 'Add Tax' for exclusive prices or 'Remove Tax' for inclusive prices.
- 2Enter the base amount in the 'Price' field.
- 3Input the applicable Tax Rate percentage (use the presets for common rates).
- 4Review the instant breakdown showing the Net Amount, Tax Amount, and final Gross Total.
- 5Click 'Copy to Clipboard' to save the full deconstruction for your invoices or reports.
- Inclusive/Exclusive Modes: Easily switch between gross and net calculations with one toggle.
- Dynamic Breakdown: Real-time analysis of tax components and original costs.
- Financial Presets: Quickly apply common tax rates like 5%, 10%, or 20%.
- High-Precision Logic: Accurate to two decimal places for professional accounting needs.
- Instant Tax Calculations: Results update as you change rates and amounts.
Real Ways People Use This
Invoice & Receipt Verification
Double-check the tax amount on receipts and invoices to ensure you were charged correctly.
International Shopping
Convert tax-inclusive European prices to US-style tax-exclusive amounts for accurate comparison.
Small Business Accounting
Calculate VAT collected on sales or GST owed on purchases for quarterly tax filings.
Budget Planning
Estimate the true cost of purchases by adding expected sales tax before you buy.
- This tool uses a single flat tax rate — jurisdictions with stacked taxes (state + county + city) need each rate added together.
- Tax-inclusive removal assumes tax was applied to the net price only, not to shipping or other fees.
- 1Select Add Tax or Remove Tax mode based on whether you have the net or gross price.
- 2Enter the price and tax rate, then verify the breakdown matches your expectation.
- 3Use the quick preset buttons for common tax rates like 5%, 10%, 15%, or 20%.