Tax
GST Calculator
Add or remove GST at any slab.
Total (incl. GST)
₹11.8K
GST₹1.8K
Base amount₹10K
₹10,000 + 18% GST = ₹11,800 (₹1,800 GST).
Partner offer
Get GST registration & filing help
For businesses & freelancers.
Frequently asked
Is the GST Calculator free to use?
Yes — every Arthly calculator is free, with no sign-up or app install required.
How accurate is the GST Calculator?
It uses standard financial formulas and current FY 2025-26 rates. Results are estimates to help you plan, not personalised financial advice — confirm details with your bank, fund or the relevant department.