Free GST Calculator
Calculate GST instantly for India, Australia, Canada, Singapore and other GST countries. Add GST to a base price or extract it from an inclusive total, with automatic CGST/SGST split for Indian invoices.
GST amount
₹180.00
CGST + SGST (each)
₹90.00
Total (incl. GST)
₹1,180.00
How to use
- Pick exclusive (add GST) or inclusive (extract GST).
- Enter the amount and GST rate (common slabs: 5, 12, 18, 28).
- Use the CGST/SGST split directly on Indian tax invoices.
Frequently asked questions
What is the CGST/SGST split?
On intra-state Indian supplies, GST is split equally between Central GST and State GST — e.g. 18% GST = 9% CGST + 9% SGST.
How do I extract GST from an inclusive price?
Divide by (1 + rate). For 18% GST on ₹1,180: ₹1,180 ÷ 1.18 = ₹1,000 base, ₹180 GST.
Which GST rate applies to my service?
Rates depend on the HSN/SAC code of your goods or services. Check your country's current GST schedule — rates change.
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