GST Calculator
Add or remove GST from any amount with CGST/SGST split.
How to use the GST Calculator
- Enter the amount.
- Pick the GST rate (0.25% to 28%).
- Choose Inclusive or Exclusive.
- Click Calculate to see GST, CGST/SGST split, and final amount.
Examples & tips
Example (exclusive): ₹1,000 at 18% → base ₹1,000, GST ₹180 (CGST ₹90 + SGST ₹90), total ₹1,180.
Example (inclusive): ₹1,180 at 18% → base ₹1,000, GST ₹180, total ₹1,180.
Frequently asked questions
Which GST rates are supported?
Standard slabs: 0.25%, 3%, 5%, 12%, 18%, and 28%.
What is the difference between inclusive and exclusive?
Exclusive: the amount is pre-GST, and GST is added on top. Inclusive: the amount already includes GST, and the tool extracts the GST portion.
Why split into CGST and SGST?
Intra-state supplies split GST equally between central and state authorities. Inter-state supplies use IGST (the full rate).
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