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Sales Tax

Sales Tax Calculator — Add or Remove Tax

Add sales tax to a base amount or extract it from a tax-inclusive price, at any tax rate — useful for GST, VAT, or any other percentage-based sales tax.

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🧾 Enter Amount & Tax Rate

18%

📊 Tax Breakdown

Enter amount and tax rate
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Disclaimer: Results provided by this calculator are for educational and estimation purposes only and do not constitute formal financial, tax, or legal advice. Actual rates, deductions, and statutory requirements vary by jurisdiction and business circumstances. Consult a chartered accountant or company secretary before making business financial decisions.

Adding vs Removing Sales Tax

Adding tax to a base amount is simple multiplication: Total = Base × (1 + rate/100). Removing tax from a tax-inclusive amount requires division, not subtraction: Base = Inclusive Amount ÷ (1 + rate/100) — a step people frequently get wrong by incorrectly subtracting the percentage directly from the inclusive total.

Worked Example

A base amount of ₹50,000 at an 18% tax rate: Tax Amount = ₹9,000, Total (incl. tax) = ₹59,000. This works identically for GST, VAT, or any other percentage-based sales tax — just enter your applicable rate.

Frequently Asked Questions

Functionally very similar — both add or remove a percentage-based tax. This tool is a general-purpose sales tax calculator that works for any rate or tax system (GST, VAT, US state sales tax, etc.), while our dedicated GST Calculator is tailored specifically to India's CGST/SGST/IGST split for domestic and inter-state transactions.
Because the tax rate applies to the base price, not the inclusive total. ₹59,000 inclusive of 18% tax has a base of ₹50,000 (since 50,000 × 1.18 = 59,000) — but subtracting 18% of 59,000 (₹10,620) from 59,000 incorrectly gives ₹48,380. Always divide by (1 + rate/100) to correctly remove tax from an inclusive amount.
Yes, significantly, depending on the tax system and jurisdiction — different goods/service categories often carry different rates, and in some countries (like the US) sales tax also varies by state and even city or county. Always verify the exact applicable rate for your specific product and location rather than assuming a flat universal rate.
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