Instantly calculate GST at 5%, 12%, 18% or 28% with CGST + SGST or IGST split. Free for freelancers & small businesses.
📖 Read the full guide: How GST is calculated in India →GST = (Base × Rate) / 100. To remove GST from an inclusive price: Base = Amount × 100 / (100 + Rate).
For sales within the same state, GST is split equally between CGST (Centre) and SGST (State). For inter-state sales, the entire GST is IGST.
If your annual turnover exceeds ₹20 lakh (₹10 lakh in special states) or you provide inter-state services, GST registration is required.
Most professional and freelance services fall under the 18% GST slab, but check the exact HSN/SAC code for your service.
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