GST Calculator

Add or remove GST from any amount.

About this tool

Add GST to a net amount or extract GST from a gross (inclusive) amount at any rate.

Key Features

  • Add or remove GST
  • Any tax rate
  • Shows base, tax & total

How to Use

  1. Enter amount and GST rate.
  2. Choose add or remove.
  3. Click Calculate.

Benefits

  • Prepare invoices
  • Verify receipts
  • Handle tax quickly

Frequently Asked Questions

It treats your amount as tax-inclusive and works out the original pre-tax price and the GST portion.

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