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GST Calculator

Add or remove GST from any amount with our fast GST Calculator. Supports all GST slabs (5%, 12%, 18%, 28%) and shows CGST, SGST, and IGST breakdown. Perfect for businesses and individuals.

Base Amount₹10,000.00
CGST₹900.00
SGST₹900.00
Total GST₹1,800.00
Total Amount₹11,800.00

GST Calculation

Exclusive (Add GST):
GST Amount = Original Amount × GST Rate / 100
Total = Original Amount + GST Amount

Inclusive (Remove GST):
Original = Total × 100 / (100 + GST Rate)
GST Amount = Total - Original

Examples

Add 18% GST

Result: GST: ₹1,800 | Total: ₹11,800

CGST ₹900 + SGST ₹900 = ₹1,800 total GST.

Remove 28% GST from MRP

Result: Base: ₹10,000 | GST: ₹2,800

Remove 28% GST to find the pre-tax base price.

Restaurant Bill (5% GST)

Result: GST: ₹125 | Total: ₹2,625

Restaurants with turnover above ₹40L charge 5% GST.

Frequently Asked Questions

What are the GST slabs in India?

India has 4 main GST slabs: 5% (essential items), 12% (standard goods), 18% (most services & goods), and 28% (luxury goods).

What is the difference between CGST, SGST, and IGST?

For intra-state transactions, GST splits into CGST (central) and SGST (state), each at half the rate. For inter-state transactions, IGST (full rate) applies.

Who needs to register for GST?

Businesses with annual turnover above ₹40 lakh (₹20 lakh for services) must register for GST.