CGST Calculator

Estimate the CGST portion as half of the tax calculated from the base amount and entered combined GST rate.

How to use CGST Calculator

  1. Enter Amount, Total tax / GST rate (%).
  2. Choose Run tool to calculate or generate the result.
  3. Check the result and the limitations below before reusing it.

A practical example

Options:
{
  "amount": 1000,
  "rate": 18
}

Example result:
{
  "baseAmount": 1000,
  "tax": 90,
  "combinedTax": 180,
  "total": 1180
}

Limitations and common mistakes

Rate is supplied by you; this does not determine tax liability or applicable GST rules. CGST/SGST each show half the entered combined rate.

Rate is supplied by you; this does not determine tax liability or applicable GST rules. CGST/SGST each show half the entered combined rate.

Questions about CGST Calculator

What input does CGST Calculator need?

Input options: Amount, Total tax / GST rate (%).

What does CGST Calculator return?

Calculated result fields: baseAmount, tax, combinedTax, total.

What should I check before using CGST Calculator results?

Rate is supplied by you; this does not determine tax liability or applicable GST rules. CGST/SGST each show half the entered combined rate.

Should I enter the component rate or combined rate?

This implementation expects the combined rate and shows half of the calculated tax as the component. With a 1,000 base and 18% combined rate, the component is 90 and combined tax is 180. It does not decide whether CGST/SGST applies.

Supported input and output

Input options: Amount, Total tax / GST rate (%).

Calculated result fields: baseAmount, tax, combinedTax, total.

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