GST VAT Calculator
Free Online GST VAT Calculator
Use this GST/VAT calculator to quickly add tax to a price or extract tax from a tax-inclusive total. It is helpful for invoices, quotes, receipts, online pricing, and cross-border business planning where tax clarity matters.
GST / VAT Calculator
GST & VAT · Multi-Item Invoice · Global Tax Rate Comparison
Calculate GST or VAT in both directions: add tax to a pre-tax price, or extract tax from a tax-inclusive price. Supports exclusive (add-on) and inclusive (built-in) pricing, compound taxes, and multiple tax tiers.
Calculation Direction
Price & Tax Details
$
%
% (e.g. luxury tax)
%
Pre-Tax Amount
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—
Tax Amount
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Total (Tax-Inclusive)
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—
Pre-Tax Price
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Discount Applied
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Primary Tax
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Additional Tax
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Total Tax Amount
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Effective Tax Rate
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Total (incl. Tax)
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Tax as % of Total
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💰 Price Breakdown
🔮 What-If Scenarios
If tax rate was 5% lower:—
If tax rate was 5% higher:—
Tax saving with 10% discount on base price:—
Annual tax on this transaction (×12/month):—
Tax-free equivalent price (zero-rated):—
GST / VAT Insights
Build a multi-line invoice with different tax rates per line item. Supports mixed tax rates (e.g. standard, reduced, and zero-rated items on the same invoice), line-level discounts, and auto-calculates subtotals, tax per category, and grand total.
Invoice Settings
%
%
📋 Line Items
DescriptionQtyUnit PriceTax %Total
Subtotal (pre-tax)
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—
Total Tax
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Invoice Total
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Line Items
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Subtotal
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Global Discount
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Total Tax
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Effective Tax Rate
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Highest-Tax Item
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Zero-Rated Total
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Grand Total
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📊 Tax Breakdown by Rate
Invoice Insights
See how the same purchase price is taxed across different countries and rates. Compare standard VAT/GST rates globally to understand the tax cost impact for cross-border pricing, import decisions, or relocation planning.
Comparison Settings
$
%
Your Tax Amount
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—
Your Total Price
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Highest vs Lowest Rate Spread
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| Country / Region | VAT / GST Rate | Tax Amount | Total Price | vs Your Rate |
|---|
🔮 Global Tax Scenarios
Lowest-rate country tax on this purchase:—
Highest-rate country tax on this purchase:—
Annual saving if operating in lowest-rate country:—
Global average VAT/GST rate:—
Tax cost difference: highest vs lowest:—
Global Tax Insights
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