Question 1

How do I add GST to an amount?

Accepted Answer

Multiply the taxable amount by the GST rate to calculate GST, then add that GST amount to the taxable value.

Question 2

How do I remove GST from an inclusive price?

Accepted Answer

Divide the GST-inclusive price by 1 plus the GST rate. For 18% GST, divide by 1.18 to get the taxable value.

Question 3

What is the difference between CGST and SGST?

Accepted Answer

For intra-state supplies, GST is split equally into CGST and SGST. For inter-state supplies, IGST may apply instead.

Question 4

Does this calculator decide the correct GST rate?

Accepted Answer

No. It calculates GST using the rate you select. The correct rate depends on product or service classification under GST law.