Enter Details
₹
%
Result
Base / Net Amount₹0
Total GST ₹0
CGST
₹0
SGST
₹0
Total Amount₹0
Calculations update automatically as you type. Figures are rounded to 2 decimals.
How to Use the GST Calculator
1
Enter the amount
Type the base amount (without GST) or the total amount (with GST) in rupees.
2
Pick GST type
Choose Exclusive to add GST on top, or Inclusive to remove GST from a total.
3
Select GST rate
Tap 5%, 12%, 18%, 28% or enter a custom rate. Then choose Intra-State or Inter-State supply.
4
Get instant result
See net amount, GST, CGST/SGST or IGST split and total — then tap Copy Result.
Frequently Asked Questions
What is GST inclusive vs exclusive?
GST exclusive adds GST on top of your amount. GST inclusive treats your amount as already containing GST and extracts it.
What is CGST, SGST and IGST?
For sales within the same state, GST is split equally into CGST and SGST. For sales between states, the full GST is charged as IGST.
Is this GST calculator free?
Yes — 100% free, no login or sign-up required, works on mobile and desktop.