GST & Sales Tax Calculator
Calculate inclusive and exclusive GST rates (5%, 12%, 18%, 28%) with CGST and SGST split.
About GST & Sales Tax Calculator
Fast Goods and Services Tax (GST) calculator for business invoicing. Calculate GST Exclusive (adding GST to base amount) or GST Inclusive (extracting tax from MRP) with exact CGST/SGST/IGST breakdown.
How to Use GST & Sales Tax Calculator
Enter the initial transaction amount.
Select the GST tax slab (5%, 12%, 18%, 28%, or custom).
Choose "GST Exclusive" (add tax) or "GST Inclusive" (remove tax).
Review the calculated Net Amount, CGST, SGST, and Gross Total.
Supported Formats & Limits
- Supported Inputs: NUMERIC
- Guest Maximum Size: 25 MB
- Logged-in Max Size: 100 MB
- System Compatibility: Windows, macOS, Linux, iOS & Android
Privacy & Security Guarantee
This tool processes your files entirely inside your web browser using client-side JavaScript, WebAssembly, and Canvas APIs. Your document is never uploaded to any external server, guaranteeing total confidentiality.
Frequently Asked Questions
How is CGST and SGST split on intra-state sales?
For sales within the same state, GST is divided equally: half as Central GST (CGST) and half as State GST (SGST).