GST Calculator
Add or remove GST — instantly. Splits CGST/SGST for intra-state, IGST for inter-state, all at India’s current rates.
Enter the base price; we’ll add GST.
Quick reference
When does each rate apply?
- 0% — basic essentials (fresh produce, milk, books).
- 5% — household items, transport services, small restaurants.
- 12% — processed foods, business-class travel, hotels (₹1k–₹7.5k/night).
- 18% — most goods and services (default rate for SaaS, professional services).
- 28% — luxury cars, tobacco, aerated drinks, betting.
CGST + SGST vs IGST
Intra-state sales (buyer and seller in the same state) attract CGST (Central) + SGST (State), each at half the total rate. Inter-state sales attract a single IGST at the full rate, collected by the Centre and distributed to the destination state.
Reverse-charge mechanism (RCM)
Some transactions (e.g. imports, services from unregistered vendors) shift the GST liability from the supplier to the recipient. AskBooks identifies RCM lines automatically and posts the correct journal entries.
This calculator is a quick utility, not legal advice. For nuanced cases — RCM, ITC eligibility, exempt vs nil-rated, composition scheme — speak with your CA or our team.