Calculate GST instantly — add or remove GST with CGST/SGST/IGST split. Free Indian GST calculator with all tax slabs.
What is GST Calculator?
India's most comprehensive GST calculator. Add GST to a price or extract GST from an inclusive price. Supports all GST slabs (3%, 5%, 12%, 18%, 28%) with automatic CGST+SGST (intra-state) or IGST (inter-state) split. Features a bulk calculator for multiple items, invoice-style breakdown, GST rate reference table for common goods, and educational content on Input Tax Credit.
How to Use
Choose "Add GST" to calculate tax-inclusive price, or "Remove GST" to extract GST from inclusive price
Enter the amount and select the GST slab (3%, 5%, 12%, 18%, or 28%)
Toggle between Intra-state (CGST+SGST) and Inter-state (IGST)
Use the Bulk tab to calculate GST on multiple items at different rates
Check the Reference tab for common items and their GST rates
Frequently Asked Questions
What is the difference between CGST, SGST, and IGST?
For sales within a state, GST is split equally into CGST (Central) and SGST (State). For inter-state sales, the full amount is charged as IGST (Integrated GST).
How do I add GST to a price?
Use "Add GST" mode. Enter the base price and select the GST rate. The calculator shows the GST amount and total inclusive price.
How do I find the GST in an inclusive price?
Use "Remove GST" mode. Enter the GST-inclusive price and the rate. It extracts the base price and GST component.
What is Input Tax Credit (ITC)?
ITC allows businesses to reduce their GST liability by claiming credit for GST already paid on purchases. Check the Learn tab for a worked example.
Which GST slab applies to my product?
Check the Reference tab for common items. Essential goods are 0-5%, standard goods 12-18%, and luxury/sin goods 28%.
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