About GST Calculator
GST (Goods and Services Tax) replaced India's complex indirect tax system in 2017, unifying multiple taxes into a single structure. Our free GST calculator handles both GST-exclusive (add GST to base price) and GST-inclusive (extract GST from total price) calculations for all GST slabs.
GST Slabs in India
0%: Essential items โ fresh food, books, newspapers, children's drawing books. 5%: Basic necessities โ packaged food, footwear under โน1000, transport services. 12%: Standard items โ processed food, business class air travel, mobile phones. 18%: Most services and goods โ restaurants, electronics, software, financial services. 28%: Luxury and sin goods โ automobiles, tobacco, aerated drinks, luxury hotels.
CGST and SGST Breakdown
For intra-state transactions, GST splits equally: CGST (Central GST) = 50% of total GST. SGST (State GST) = 50% of total GST. For inter-state: IGST (Integrated GST) = Full GST rate applied by central government.
GST Inclusive vs Exclusive
GST exclusive: You have the base price and want to add GST. Final price = Base ร (1 + GST%/100). GST inclusive: You have the total price and want to extract GST. Base price = Total รท (1 + GST%/100). GST amount = Total โ Base price.