GST Calculator
Add GST to a base price, or remove GST from an inclusive amount. Supports all Indian GST slabs.
Enter the price without GST — we'll calculate the total with GST added.
Original Amount
₹0.00
GST Amount
₹0.00
Total (with GST)
₹0.00
Tax Breakdown
How to Use the GST Calculator
Choose "Add GST" if you have a base price and want the total, or "Remove GST" if you have a GST-inclusive price and want the original.
Enter your amount and select the GST slab (5%, 12%, 18%, 28%) or enter a custom rate.
Results update instantly — see GST amount, total, and CGST/SGST or IGST breakdown.
Frequently Asked Questions
What is CGST and SGST?
For intra-state transactions, GST is split equally into CGST (Central GST) and SGST (State GST). For inter-state transactions, the combined amount is called IGST.
What are the GST slabs in India?
India has five GST slabs: 0% (essential goods), 5% (basic items), 12% (standard goods), 18% (most services and goods), and 28% (luxury items).
How to remove GST from a price?
Select "Remove GST", enter the GST-inclusive price, choose the rate. Formula: Original = Total ÷ (1 + GST%/100).