How to use the GST Calculator
Calculate Goods & Services Tax instantly with the latest 2026 slabs (0%, 5%, 18%, 40%).
- 1Enter the base amount (exclusive of tax).
- 2Pick a tax slab or use the quick-rate buttons (Exempt, Merit, Standard, Luxury).
- 3Choose inclusive or exclusive mode to see CGST/SGST or IGST breakdown.
- 4Review the live result and history; clear anytime.
Frequently Asked Questions
Q1. What GST slabs are supported?
We support 0% (exempt), 5% (merit), 18% (standard) and 40% (luxury), effective Sep 2025.
Q2. Is CGST/SGST or IGST shown?
Intra-state shows CGST + SGST; inter-state shows IGST, split automatically.
Q3. Is my data uploaded?
No. All calculations run locally in your browser.
Sarkari Tool is free to use. All processing happens locally in your browser — your files never leave your device.