GST
GST Calculator
Calculate GST in inclusive or exclusive mode.
GSTIN includes state code + PAN + entity + checksum.
This tool checks format & checksum only; verify status on the official GST portal when needed.
About this tool
This gst calculator helps you add or remove GST to get net and gross amounts. It is designed for Indian users who compare numbers quickly on mobile and want a result they can share on WhatsApp.
We show the key outputs first, then explain the formula and assumptions in plain English. You can tweak rate/tenure/contribution values to run multiple scenarios.
GST treatment can vary by goods/services and place of supply. Always verify with your bank/NBFC or official statement before making a financial decision.
How to use
- 1 Enter your inputs (amount, rate, tenure, or contribution).
- 2 Click Calculate to get the key results instantly.
- 3 Use the example cases to validate your inputs.
- 4 Adjust one variable at a time to compare scenarios.
- 5 Bookmark the page for repeated use.
Examples
Quick example
Sensitivity check
Notes & assumptions
- Rates are annual unless stated otherwise; compounding can change outcomes.
- Results are estimates, not a guarantee of returns or approval.
- For taxes/fees, confirm the latest official rules for your state and product.
- Rounding may create small differences vs. lender statements.
- Use inflation-adjusted planning for long goals.
Frequently asked questions
? Is this calculator free to use?
Yes. It is free and works directly in your browser.
? Why is my bank’s number different?
Banks may use different day-count conventions, rounding, or fee/tax handling. Use this as an estimate and cross-check with the bank’s schedule.
? Can I share the results?
Yes—many people copy the results into WhatsApp messages while comparing options.
? Do you store my inputs?
No. Calculations run on-demand and are not intended to store personal data.