GST / VAT Calculator
📦 GST / VAT Calculator Source Code $4.99
Get the complete, ready‑to‑deploy HTML file with all styling and logic. This is the exact code powering the demo above — no dependencies, works offline, and 100% client‑side. Supports 70+ countries with up‑to‑date 2026 tax rates for the EU, UK, India, Australia, Canada, and more. Includes custom rate support and two calculation modes: adding tax to net amounts and extracting tax from gross amounts. Perfect for e‑commerce, accounting, and international business. One‑time purchase, lifetime access.
What Is a GST / VAT Calculator?
A GST (Goods and Services Tax) or VAT (Value Added Tax) calculator helps businesses, accountants, and individuals quickly compute tax on goods and services. This tool supports two essential modes: "Add Tax" to calculate the gross amount including tax from a net amount, and "Extract Tax" to find the net amount excluding tax from a gross amount. It includes up‑to‑date 2026 tax rates for over 70 countries across the EU, Asia, North America, and beyond, with support for custom rates. Whether you're invoicing clients, filing tax returns, or comparing prices, this tool provides instant, accurate results.
How to Use
- Choose your calculation mode — "Add Tax" to calculate gross from net, or "Extract Tax" to calculate net from gross.
- Enter the amount — net amount (for Add Tax) or gross amount (for Extract Tax).
- Select a country from the dropdown to use its standard tax rate, or enter a custom rate manually.
- Click "Calculate" — the result appears instantly with a detailed breakdown.
- Copy the result with the Copy button, or clear everything with the Clear button.
Frequently Asked Questions
What is the difference between GST and VAT?
GST (Goods and Services Tax) and VAT (Value Added Tax) are essentially the same concept — a consumption tax levied on the sale of goods and services. The main difference is the name used in different countries: GST is used in countries like India, Australia, and Canada, while VAT is used in the UK and European Union.
Does this tool work offline?
Yes. Once the page loads, all calculations happen locally in your browser. No network requests are made.
Are the tax rates up to date?
The tool includes standard tax rates for 70+ countries based on official 2026 data[reference:0][reference:1][reference:2]. Rates can change, so you can always use the custom rate option to enter the exact rate you need.
Disclaimer: This tool performs all operations locally in your browser. No data is stored, transmitted, or logged. Results are for informational purposes only. Always consult a qualified tax professional for official tax calculations.