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Calixo

GST Calculator

Add or remove GST from an amount, either direction, instantly.

Inputs

%
%

Saved Scenarios

— select 2+ to compare

Total Amount

₹11,800.00

GST Amount

₹1,800.00

Spark says

How it's calculated

Formula

GST=Amount×rate100GST = Amount \times \dfrac{rate}{100}
Amount
— GST-exclusive amount
rate
— GST rate (%)

What is the GST Calculator?

GST (Goods and Services Tax) is a consumption tax added to the price of goods and services. This calculator converts between GST-exclusive and GST-inclusive amounts.

How to use it

  1. 1 Enter the amount.
  2. 2 Set the GST rate.
  3. 3 Choose whether the amount is exclusive or inclusive of GST.

Worked examples

₹10,000 exclusive at 18% GST

GST is ₹1,800, for a total of ₹11,800.

Try it

Common mistakes

  • ⚠️ Applying the GST rate to an amount that already includes GST, which double-counts the tax.

Frequently asked questions

How do I remove GST from an inclusive amount?

Select 'Inclusive of GST' as the amount type — the calculator divides out the tax instead of adding it.