To calculate GST online, enter the base price and select the GST rate. The calculator instantly shows CGST, SGST, or IGST breakdown.

Formula: GST = (Base Price × GST Rate) ÷ 100

Getaka’s GST calculator India supports all GST slabs, calculates CGST/SGST/IGST correctly, and helps with invoicing via an invoice generator.

Our GST rate calculator is simple:

1. Enter amount before GST
2. Select GST percentage (5%, 12%, 18%, or 28%)
3. Choose intra-state or inter-state
4. Click Calculate for instant results

GST calculation formulas:

Add GST: Total = Amount + (Amount × GST% ÷ 100)

Remove GST: Amount = Total ÷ (1 + GST% ÷ 100)

CGST/SGST: Each = Total GST ÷ 2

Yes. Calculate GST and then create a GST-compliant invoice using the invoice generator for download/print.

For intra-state transactions, GST splits into CGST and SGST. Example: 18% = 9% CGST + 9% SGST.

The IGST calculator applies when goods/services move between different states. IGST = full GST rate.

Our GST percentage calculator supports all slabs:

• 0% - Essential items
• 5% - Household necessities
• 12% - Standard goods
• 18% - Most items
• 28% - Luxury goods

An online GST calculator saves time and reduces errors—especially for CGST/SGST split and IGST cases.

This GST computation tool helps businesses estimate taxes for invoicing, quotations, and pricing decisions quickly.

To calculate GST accurately, ensure correct GST rate and transaction type (intra/inter-state). This tool provides instant breakup.

Features include:

• ✓ All GST rates (0% to 28%)
• ✓ CGST, SGST, IGST breakdown
• ✓ Invoice generation
• ✓ Add/Remove GST options
• ✓ Mobile-friendly design