GST Calculator
Enter an amount and your own GST rate to estimate CGST plus SGST for within-state transactions or IGST for inter-state transactions.
A QUICK WALKTHROUGH
How to use this tool
- Enter a nonnegative amount and the rate you want to apply.
- Choose within-state or inter-state transaction type.
- Review the local arithmetic estimate.
User-entered rate
This calculator performs arithmetic only and does not provide current-rate advice or financial guidance.
GOOD TO KNOW
Common questions
Does it recommend a GST rate?
No. Enter the rate you choose to apply.
How is within-state GST split?
The calculated GST is split equally between CGST and SGST.
Does it use the network?
No. Calculation stays in your browser.