Free Tool
GST & Tax Calculator
Free GST, VAT, and sales tax calculator. Add or remove tax from any amount and instantly see the net, tax, and gross totals.
How to use this tool
Everything runs right here in your browser — nothing is sent to a server, so it’s fast and completely private. Use it as many times as you like, free and without an account.
Frequently Asked Questions
What is the GST & Tax Calculator?
The GST & Tax Calculator is an instant financial utility that computes Goods and Services Tax (GST), Value Added Tax (VAT), and general sales taxes. It allows business owners, freelancers, and accounting teams to easily add tax to net amounts or extract tax from gross amounts.
Is the GST & Tax Calculator free to use?
Yes. The GST & Tax Calculator is completely free with no sign-up, no watermarks, and zero usage limits.
Is my data private?
Your calculation inputs and document text stay in your browser and are never uploaded to a server. We use privacy-friendly anonymous analytics to improve our tools.
How do I use the GST & Tax Calculator?
1. Enter your starting amount in the value field. 2. Enter or select your applicable tax rate percentage. 3. Select "Add tax" (Exclusive) to add GST to a net price, or "Remove tax" (Inclusive) to calculate tax included in a gross total. 4. View the net amount, calculated tax, and final gross total updated live.
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