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0.25% GST Calculator
0.25% GST applies to rough and semi-polished diamonds. Example: ₹1,000 + 0.25% GST = ₹1,002.50 (GST ₹2.50).
0.25% GST Calculator
₹
Total amount
₹10,000.00 + ₹25.00 GST
Net amount (before GST)
₹10,000.00
GST amount
₹25.00
CGST + SGST (intra-state)
₹12.50 + ₹12.50
Inter-state supplies charge the full amount as IGST instead of CGST + SGST.
Estimates for information only — not financial, tax or investment advice. Rates and rules change; confirm with an official source or a qualified professional. Disclaimer
How to calculate GST
Adding GST: GST = amount × rate ÷ 100; total = amount + GST.
Removing GST: base = total × 100 ÷ (100 + rate); GST = total − base.
Intra-state sales split GST equally into CGST and SGST; inter-state sales charge the full amount as IGST.
Current GST slabs (GST 2.0, from 22 Sept 2025)
- 5% — essentials and many daily-use goods
- 18% — the standard rate for most goods and services
- 40% — luxury and sin goods
- 3% gold & jewellery · 0.25% rough diamonds · nil-rated essentials
Rates for a specific item are set by CBIC notifications — check the official schedule for your HSN/SAC code.
0.25% GST on common amounts
| Amount (excl. GST) | GST @ 0.25% | Total (incl. GST) |
|---|---|---|
| ₹100 | ₹0.25 | ₹100.25 |
| ₹500 | ₹1.25 | ₹501.25 |
| ₹1,000 | ₹2.50 | ₹1,002.50 |
| ₹5,000 | ₹12.50 | ₹5,012.50 |
| ₹10,000 | ₹25.00 | ₹10,025.00 |
| ₹50,000 | ₹125.00 | ₹50,125.00 |
| ₹1,00,000 | ₹250.00 | ₹1,00,250.00 |
Frequently asked questions
How do I add 0.25% GST to an amount?
Multiply by 1.0025. For ₹1,000 that is ₹1,002.50.
How do I remove GST from an inclusive price?
Divide by (1 + rate ÷ 100). For example ₹1,180 ÷ 1.18 = ₹1,000 base + ₹180 GST at 18%.
Are 12% and 28% GST still applicable?
Under GST 2.0 most items moved from 12% to 5% and from 28% to 18% (sin goods to 40%) from 22 September 2025. The calculator still supports them for older invoices.