Reverse GST calculation

Remove GST from Total Calculator

Use tax-inclusive mode when the amount you already have includes GST and you want to separate the base and tax portions.

Important: Use the GST rate that applies to the transaction. This calculator does not determine the legally applicable rate for you.

Calculation Inclusive total → base + GST

Breaking GST out of an inclusive price

Calculator

Use the Tooloos GST / VAT Calculator

The page reuses the current Tooloos calculator and applies task-specific starting values without changing the underlying formula.

Tooloos Calculators

GST / VAT Calculator

Calculate tax-inclusive, tax-exclusive and reverse GST, VAT or Sales Tax amounts.

Calculated in your browser
Enter values

Calculation details

Instant result Results update when you calculate.
No signup Use the calculator without creating an account.
Mobile friendly Designed for desktop, tablet and mobile.
How to use it

Remove GST from Total Calculator: step by step

  1. 1

    Enter the amount and the tax rate you want to use.

  2. 2

    Choose whether tax should be added, removed from an inclusive amount, or calculated backward from a known tax amount.

  3. 3

    Choose a display currency.

  4. 4

    Calculate and review the base, tax and total values.

FAQ

Common questions

Can the calculator add and remove tax?

Yes. The current Tooloos tax calculator supports adding tax to a base amount, separating tax from an inclusive amount and finding a base from a known tax amount.

Does Tooloos choose the legally correct tax rate?

No. You enter the rate. Tax rates and rules depend on jurisdiction, goods, services and transaction details.

Which currencies are available?

The current tax calculator can format results in INR, USD, GBP, CAD, AUD, AED and EUR.

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