GST Calculator
Total amount
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- Net amount
- GST
- Net amount (before GST)
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- CGST
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- SGST
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- Total GST
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- Total amount
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Illustrative estimates only, based on the assumptions you choose. Actual returns, rates and costs will vary.
About the GST calculator
GST is added to most goods and services in India. Within a state it is split equally into CGST and SGST; for sales between states it is charged as IGST at the full rate.
Choose whether to add GST to a price or to find the GST already included in it, and pick the rate.
How to use it
- Move the sliders, or type a value into each box.
- Watch the results and chart update as you go.
- Try different assumptions to see what changes the outcome most, then talk to us about a plan.
The formula
Add GST: GST = amount × rate · Remove GST: net = amount ÷ (1 + rate), GST = amount − net
- CGST = SGST = GST ÷ 2 (sales within a state)
Example
₹10,000 plus 18% GST is ₹11,800: ₹900 CGST + ₹900 SGST. A price of ₹11,800 including 18% GST has a net value of ₹10,000.
Rates shown follow the simplified GST structure (5%, 18% and 40%, plus 3% for items such as gold). Check the rate that applies to your goods or services.
GST Calculator: common questions
For sales within a state, GST is split equally between the centre (CGST) and the state (SGST). For sales between states, the full rate is charged as IGST.
GST treatment of insurance premiums has changed in recent reforms and differs by product. Ask us about your policy.
Want a plan, not just a number?
Book a free financial checkup and we'll turn these estimates into a plan that fits your life.