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GST & VAT Tax Calculator

Calculate GST, VAT, and Sales Tax (Add or Extract Tax), with CGST/SGST split options and international tax rate presets.

Free Online GST, VAT & Sales Tax Calculator

Calculate Tax Exclusive (Add GST/VAT) or Tax Inclusive (Extract GST/VAT) amounts. Supports CGST & SGST intra-state tax splits, multi-currency formatting ($ USD, ₹ INR, £ GBP, € EUR, A$ AUD, Rs NPR), and 1-click international GST/VAT rate presets.

Enter an amount and tax rate to calculate.

What is the difference between GST and VAT?

GST (Goods and Services Tax) and VAT (Value Added Tax) are both multi-stage consumption taxes levied on the supply of goods and services. GST is used in countries like India, Australia, Canada, and Singapore, whereas VAT is common across Europe and the UK.

How to use it

  1. Select Add GST/VAT for Tax Exclusive amounts or Remove/Extract GST/VAT for Tax Inclusive invoice prices.
  2. Enter the monetary amount and tax percentage.
  3. Optionally check Split into CGST & SGST for dual-tier state/central tax invoice reporting.
  4. Copy the itemized tax breakdown or print the calculation receipt.

Frequently Asked Questions (FAQ)

How do I extract tax from a tax-inclusive total price?

To extract tax from an inclusive price, the formula is: Net Price = Gross Price / (1 + Tax Rate / 100). For example, $118 at 18% GST yields a Net Price of $100 and a Tax Amount of $18.

What are CGST and SGST?

Under India's dual GST framework, intra-state transactions are split equally into Central GST (CGST) and State GST (SGST). For an 18% GST slab, 9% goes to CGST and 9% goes to SGST.

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Using clean, validated developer and content utilities ensures your web pages load fast, execute cleanly, and follow technical web standards—all key factors for search engine indexing and user experience.

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