Calculate GST

GST Calculation Results

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Original Amount
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GST Amount
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GST Rate
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Total Amount

Calculation History

Why Use Our GST Calculator?

Lightning Fast

Calculate GST amounts in milliseconds with our optimized algorithm.

Multiple Rates

Support for all standard GST rates (5%, 12%, 18%, 28%) plus custom rates.

Inclusive/Exclusive

Calculate both GST-inclusive and GST-exclusive amounts with ease.

Responsive

Works perfectly on all devices - desktop, tablet, and mobile.