Calculate GST for Software & SaaS
Calculate GST on SaaS subscriptions, software licenses, custom development, and cloud hosting.
Open CalculatorQuick Summary
GST Rate Explanation
Software applications, downloads, and cloud services (SAC 9973 / HSN 8523) are categorized as intellectual property services and carry a standard 18% rate.
Visual Tax Split & Collection Rules
Within State (CGST + SGST)
When supply is within the same state (intrastate), the CGST and SGST are collected. The total tax is split 50/50 between Central and State governments.
Across States (IGST)
When supply spans across states (interstate), a single Integrated GST of 18% is collected in full by the Central government before allocation.
GST Rate Structure Slabs
| Tax Slab | CGST (Central) | SGST (State) | IGST (Integrated) | Notes |
|---|---|---|---|---|
| 0% | 0.0% | 0.0% | 0.0% | Exempted / Nil rated goods |
| 5% | 2.5% | 2.5% | 5.0% | Essential items & services |
| 12% | 6.0% | 6.0% | 12.0% | Standard reduced rate items |
| 18% | 9.0% | 9.0% | 18.0% | Standard general rate items |
| 28% | 14.0% | 14.0% | 28.0% | Luxury / Sin goods & services |
GST Calculation Examples
Monthly SaaS subscription fee
Add GST (Exclusive)
Formula: Amount + (Amount × Rate%)
Base Amount: ₹1,500.00
GST (18%): ₹270.00
Total: ₹1,770.00
Remove GST (Inclusive)
Formula: Amount − (Amount / (1 + Rate%))
Total Amount: ₹1,500.00
Base Amount: ₹1,271.19
GST Included: ₹228.81
Enterprise software custom development contract
Add GST (Exclusive)
Formula: Amount + (Amount × Rate%)
Base Amount: ₹1,20,000.00
GST (18%): ₹21,600.00
Total: ₹1,41,600.00
Remove GST (Inclusive)
Formula: Amount − (Amount / (1 + Rate%))
Total Amount: ₹1,20,000.00
Base Amount: ₹1,01,694.92
GST Included: ₹18,305.08
Frequently Asked Questions
Related GST Calculators
Government References & Notifications
Tax Disclaimer Notice
Export of software services to overseas clients is zero-rated (0% GST) subject to filing a LUT (Letter of Undertaking).