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GST Calculator
Calculate Goods and Services Tax (GST) easily, with support for standard slab rates and localized splitting.
FAQ
What is GST?
GST (Goods and Services Tax) is an indirect tax levied on the supply of goods and services. It replaces multiple nested taxes in countries like India, Australia, and Canada.
How is GST calculated?
To add GST: Gross = Net × (1 + Rate/100). To remove GST: Net = Gross / (1 + Rate/100).
What is the difference between CGST, SGST, and IGST?
CGST (Central GST) and SGST (State GST) are levied on intra-state supplies, each representing 50% of the total GST rate. IGST (Integrated GST) is levied on inter-state transactions and is equal to the total GST rate.
What are the common GST slabs?
Common GST slabs in India are 5%, 12%, 18%, and 28%. In Australia, it is a flat 10%, and in Canada, a flat 5% federal rate applies.
How to Use the GST Calculator
Add or remove Goods and Services Tax and see the CGST/SGST split.
- Enter the amount.
- Choose the GST rate (e.g., 5%, 12%, 18%, 28%).
- Choose add or remove GST.
- Review the GST amount and CGST/SGST split.
GST Formulas
Add GST
GST is split equally into CGST and SGST for intra-state supply.
Example:
Input: ₹1,000 at 18%
Calculation: 1,000 × 1.18
Result: ₹1,180 (₹90 CGST + ₹90 SGST)
Real-World Use Cases
Billing
Generate GST-compliant invoice totals.
Pricing
Decide a GST-inclusive selling price.
Tips
Tips
- Intra-state supply splits GST into equal CGST + SGST; inter-state uses IGST.
- Use the correct HSN/SAC rate slab for your product.