Invoice Tax Calculator
Add tax to a price or extract it from a tax-inclusive amount — GST, VAT, or any sales tax.
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Everything you need to know
Add or Remove Tax Instantly
Two modes in one calculator. Add Tax: enter the base price and tax rate to see the total inclusive price. Remove Tax: enter a tax-inclusive price and get the original base price and exact tax amount. Perfect for invoicing, quoting, and expense tracking.
Works for Any Tax System
Whether it's GST (India, Australia, Canada), VAT (Europe, UK), or state sales tax (US), the math is the same. Just enter the applicable rate — common presets (5%, 10%, 18%, 20%, 25%, etc.) are one click away.
Common Tax Rates by Country
- United States: 0–10.25% (varies by state and city)
- United Kingdom: 20% standard VAT, 5% reduced
- European Union: 17–27% VAT (varies by member state)
- India: 5%, 12%, 18%, 28% GST slabs
- Australia: 10% GST
- Canada: 5% GST + 0–10% PST (varies by province)
- Japan: 10% consumption tax
- Brazil: 12–25% ICMS (varies by state)
Freelancer & Small Business Tips
- Always clarify pricing: State whether your quotes are "plus tax" or "tax inclusive" to avoid disputes.
- Track input tax credits: In GST/VAT systems, tax paid on purchases can offset tax collected on sales.
- Use the Copy Summary button to paste a clean base + tax + total breakdown directly into invoices or emails.
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Need to calculate discounts before tax? Try the Discount Calculator. Check your take-home pay after tax deductions with the Salary Calculator. Convert amounts between currencies using the Currency Converter.