CGST
Central GST on intrastate supplies (within the same state).
GST Calculator: Online Indian GST Calculator
Instantly calculate GST with CGST, SGST or IGST breakup — for buyers, sellers & businesses.
Enter details
Results update automatically as you type or change options.
Select GST Rate
₹
%
Transaction type
Quick formula
GST excluded
GST = (Value × GST%) ÷ 100
Total = Value + GST
GST included
GST = Value − [Value × 100 ÷ (100 + GST%)]
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What is GST?
GST (Goods and Services Tax) is a comprehensive indirect tax in India, effective from 1 July 2017. It replaced VAT, service tax, excise and several other levies. GST is collected at the point of consumption and applies to most goods and services.
Major GST slabs
0%
3%
5%
12%
18%
28%
SGST
State GST on intrastate supplies — shared with the state government.
IGST
Integrated GST on interstate supplies — collected by the Centre.
FAQs
Who can use this GST calculator?
Buyers, sellers, manufacturers, wholesalers and retailers can use it to compute GST payable or invoice totals.
What is the difference between CGST and IGST?
CGST + SGST apply when buyer and seller are in the same state. IGST applies when they are in different states.
Can I add profit margin?
Yes — use “Add Profit Ratio” to include your margin before GST is calculated on the total value.