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GST Calculator

Add or remove GST from any amount. Calculate CGST + SGST (intra-state) or IGST (inter-state) with all GST rate slabs.

GST Calculation

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Amount before adding GST
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Select applicable GST rate

Check if your amount already includes GST

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Within state โ†’ CGST + SGST | Between states โ†’ IGST

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Enter amount to calculate GST

Understanding GST

GST (Goods and Services Tax) is an indirect tax levied on supply of goods and services in India. It replaced multiple indirect taxes like VAT, Service Tax, and Excise Duty.

GST Structure

  • CGST: Central GST โ€” goes to Central Government
  • SGST: State GST โ€” goes to State Government
  • IGST: Integrated GST โ€” for inter-state transactions
  • UTGST: Union Territory GST โ€” for Union Territories

Intra-State vs Inter-State

Intra-State (Within Same State):

  • Example: Mumbai seller โ†’ Pune buyer (both Maharashtra)
  • GST splits equally: CGST 9% + SGST 9% = 18%

Inter-State (Between States):

  • Example: Mumbai seller โ†’ Delhi buyer
  • Single tax: IGST 18%

GST Rate Slabs

RateExamples
0%Fresh fruits, vegetables, milk, bread, eggs
0.25%Rough diamonds, precious stones
3%Gold, silver ornaments
5%Sugar, tea, coffee, edible oil, coal
12%Computers, processed food, medicines
18%Mobile phones, electronics, restaurants, most services
28%Luxury items: AC, refrigerator, automobiles, cigarettes

GST Calculation Examples

Example 1: Add GST (Exclusive)

  • Product Price: โ‚น10,000
  • GST Rate: 18%
  • GST: โ‚น10,000 ร— 18% = โ‚น1,800
  • CGST: โ‚น900 | SGST: โ‚น900 (intra-state)
  • Total Invoice: โ‚น11,800

Example 2: Remove GST (Inclusive)

  • Total Amount: โ‚น11,800 (GST included)
  • GST Rate: 18%
  • Base: โ‚น11,800 รท 1.18 = โ‚น10,000
  • GST: โ‚น11,800 โˆ’ โ‚น10,000 = โ‚น1,800

Input Tax Credit (ITC)

  • Concept: GST paid on purchases can be claimed as credit against output tax
  • Benefit: Eliminates tax-on-tax cascading effect
  • Example: Bought goods for โ‚น10K + โ‚น1.8K GST โ†’ ITC โ‚น1.8K available

GST Registration

  • Mandatory: Turnover > โ‚น40L (goods) or > โ‚น20L (services)
  • GSTIN: 15-digit unique registration number
  • E-way Bill: Required for goods > โ‚น50K
  • Returns: GSTR-1, GSTR-3B monthly or quarterly

Common GST Mistakes

  • โŒ Confusing GST inclusive vs exclusive prices in quotes
  • โŒ Using CGST+SGST for inter-state sales (should be IGST)
  • โŒ Not claiming Input Tax Credit (ITC)
  • โŒ Missing e-way bill for goods > โ‚น50K
  • โŒ Late GST return filing (penalty โ‚น50/day, max โ‚น5,000)

Pro Tips

  • Always clarify GST inclusive/exclusive in invoices and quotations
  • Maintain proper tax invoices for claiming ITC
  • Verify GSTIN of suppliers on the GST portal before claiming ITC
  • File returns on time โ€” late fees compound quickly