Need to compare job offers in different pay periods? The Wivrix GST & Sales Tax Calculator is free, works in your browser, and takes seconds to use.
What this tool does
Add or remove GST, VAT or sales tax from any amount. Supports any rate, shows the tax component separately, and handles tax-inclusive prices.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Enter the amount you are working with.
- Type the tax rate, or tap one of the common rate buttons.
- Choose Before tax to add tax to a net figure.
- Choose Tax included to extract the tax from a price that already contains it.
Common uses
- Compare job offers in different pay periods
- Work out a loan or emi payment
- Check a live exchange rate before sending money
- Build a simple invoice for freelance work
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the GST & Sales Tax Calculator really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free GST & Sales Tax Calculator and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- Invoice Generator — see also our guide
- Currency Converter — see also our guide
- Salary & Hourly Wage Converter — see also our guide
Ready to try it? Open the free GST & Sales Tax Calculator — no sign-up needed.
Open GST & Sales Tax Calculator →