GST Calculator

Quickly calculate GST exclusive and GST inclusive values for Indian GST slabs (5%, 12%, 18%, 28%).

Amount (₹)

GST Rate (%)

Tax Type

Note: This GST calculator is for quick estimation only. Please verify rates as per the latest GST rules.

How does this GST Calculator work?

Choose whether your amount is exclusive of GST (tax will be added) or inclusive of GST (tax is already included) and select the GST rate. The calculator shows base amount, GST portion and final invoice value.

Exclusive GST example

If you enter ₹1,000 with 18% GST as exclusive, GST will be ₹180 and total will be ₹1,180.

Inclusive GST example

If you enter ₹1,180 with 18% GST as inclusive, base amount will be ₹1,000 and GST portion will be ₹180.