Sales Tax & VAT Calculator — add or reverse tax in seconds
The free sales tax and VAT calculator works forwards (net → gross) and backwards (gross → net) across UK VAT, EU VAT, US state sales tax, Australian GST, Canadian GST and Indian GST. Perfect for ecommerce sellers pricing SKUs, quoting clients or reconciling invoices.
VAT formulas
Add VAT: Gross = Net × (1 + Rate/100) Reverse VAT: Net = Gross ÷ (1 + Rate/100) Tax = Gross − Net
Common rates (2026)
- UK: 20% standard, 5% reduced, 0% zero-rated
- EU: 17% (LU) – 27% (HU) standard rates
- US: state + city + county sales tax, avg 7.25%
- Australia GST: 10% flat
- Canada: 5% GST + provincial PST/HST
- India GST: 5% / 12% / 18% / 28% slabs
Related tools
India sellers: also try the GST Invoice Generator and HSN Code Finder.