Free Tool
Free VAT and GST Invoice Calculator
Enter net amount and tax rate to compute VAT or GST on invoices and receipts.
Tool workspace
Run the tool below, then copy or reuse the cleaned output in your spreadsheet or finance workflow.
- For invoice planning, quote building, and tax-inclusive totals.
- Use the right local tax rate.
- This is a simple calculator, not a tax filing engine.
Output
Tax amount: $1,800.00
Gross amount: $11,800.00
Input stays in your browser. No upload is required for these free tools.