WealthAura financial tool

GST Calculator

Calculate GST-inclusive and GST-exclusive amounts quickly using the selected rate.

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Projection & breakdown

Base amountRateGSTFinal amount
₹10,00018%₹1,800₹11,800

How the GST Calculator works

Add GST to a base amount, or remove it from an inclusive amount. The selected rate should be appropriate for the relevant goods or services classification.

Formula

GST amount = Base amount × GST rate ÷ 100

Calculation example

Adding 18% GST to ₹10,000 results in ₹1,800 GST and a final amount of ₹11,800.

Read the guide: GST methodology →

Frequently asked questions

Are the results exact?

Results are planning estimates. Provider terms and applicable rules can change the final outcome.

Can I change the values?

Yes. Type values directly in the calculator and the result updates instantly.

Is this calculator free?

Yes. WealthAura calculators are free to use.

Confirm the applicable GST rate for your transaction. Calculations are based on the formula and assumptions shown; they are not financial, tax or investment advice.