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✅ GST Number Validator

Validate GST number online free. Check GSTIN format and extract business details from GST number.

Format: 2 digits (state) + 10 char PAN + 1 digit (entity) + Z + 1 checksum
State Codes Reference
01 - J&K02 - HP03 - Punjab04 - Chandigarh 05 - Uttarakhand06 - Haryana07 - Delhi08 - Rajasthan 09 - UP10 - Bihar11 - Sikkim12 - Arunachal 13 - Nagaland14 - Manipur15 - Mizoram16 - Tripura 17 - Meghalaya18 - Assam19 - West Bengal20 - Jharkhand 21 - Odisha22 - Chhattisgarh23 - MP24 - Gujarat 27 - Maharashtra29 - Karnataka32 - Kerala33 - Tamil Nadu 36 - Telangana37 - Andhra
🔒 100% Free · No Login · Works in Browser
📖 How to Use
1
Enter Values
Fill in the required numbers in the input fields
2
Calculate
Click Calculate to get instant results
3
Use Results
Copy or use the calculated values for your needs
❓ Frequently Asked Questions
Is this calculator free?+
Yes, completely free with no limits.
Are the calculations accurate?+
Yes, calculations use standard mathematical formulas.
Do I need to create an account?+
No account required.
Does it work on mobile?+
Yes, works perfectly on all devices including mobile phones.
Can I save my calculations?+
You can copy the results and save them manually.