Calcolatore GST
Aggiungere o togliere la GST
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Type any rate in the box, or pick a common one. GST rates are revised from time to time: check the current rate for your goods or service on the official GST portal or with your accountant.
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How to calculate GST
- Choose whether your amount is before GST or already includes it.
- Enter the amount and the GST rate: type any rate (or press Custom rate), or pick a common one.
- Read the GST, the CGST and SGST halves (or IGST) and the total.
GST formulas
| To find | Formula |
|---|---|
| GST on a price | Price × rate ÷ 100 |
| Price including GST | Price × (100 + rate) ÷ 100 |
| GST inside an inclusive amount | Amount × rate ÷ (100 + rate) |
| Price before GST | Amount × 100 ÷ (100 + rate) |
CGST, SGST and IGST
For a sale within one state, GST is split equally into central GST (CGST) and state GST (SGST, or UTGST in a union territory): 18% becomes 9% + 9%. For a sale between states, the whole amount is integrated GST (IGST).
Domande frequenti
Which GST rate applies to my product?
It depends on the goods or service, and rates are revised from time to time. Check the current rate on the official GST portal or ask your accountant, then type it in: this calculator works with any rate from 0 to 100%.
Are the amounts rounded?
Yes, to two decimal places (paise), as on invoices.
Is anything sent anywhere?
No. The calculation happens in your browser, and the amounts you enter never leave your device.