VAT / GST Calculator
Add or remove sales tax from any price.
How to use VAT / GST Calculator
follow along with the steps below
Enter your numbers in the fields.
Results update as you type, or press Calculate.
Change the values to compare different scenarios.
About VAT / GST Calculator
VAT / GST Calculator is a free online tool from Supreme Pro. Add or remove sales tax from any price. It runs in your browser, so there is nothing to install and no account to create. Calculators update as you type, so you can explore numbers freely.
How it is calculated
Tax = price × rate ÷ 100 | Net price = gross price ÷ (1 + rate ÷ 100)
Worked example
With Price = 1000, Tax rate % = 17, the result is: Tax to add = 170; Price with tax = 1170; If price already includes tax: net = 854.70085.
Common uses
- Get a fast answer without opening a spreadsheet
- Compare different scenarios by changing one number at a time
- Double-check figures before you make a decision
Tips for best results
- Enter realistic values and change one field at a time
- Treat finance and health results as estimates, not professional advice
- Use consistent units, for example all amounts in the same currency
Features
- Free, with no account needed
- Private: runs entirely on your device
- Instant results, no waiting
- Works on phones, tablets and computers
Frequently Asked Questions about VAT / GST Calculator
Quick answers about using VAT / GST Calculator.
What is the VAT / GST Calculator?
The VAT / GST Calculator is a free online tool from Supreme Pro. Add or remove sales tax from any price.
How do I use the VAT / GST Calculator?
Enter your numbers in the fields. Results update as you type, or press Calculate. Change the values to compare different scenarios.
Is the VAT / GST Calculator free?
Yes. It is free to use and needs no account or sign-up.
Is my data safe?
Yes. Everything runs in your browser, so your input stays on your own device and is not uploaded to our servers.
Does the VAT / GST Calculator work on mobile?
Yes. The page is responsive and works on phones, tablets and computers.
How accurate are the results?
The maths is exact for the numbers you enter. Treat finance and health results as estimates and check important decisions with a professional.
What other tools can I use after the VAT / GST Calculator?
You can try Salary Calculator, BMR Calculator or Pregnancy Due Date Calculator. All of them are free and run in your browser. You can also browse every one of our calculators.
Do I need an account to use the VAT / GST Calculator?
No. The VAT / GST Calculator works without an account or sign-up. Open the page, use the tool and download or copy the result.
Which browsers and devices work with the VAT / GST Calculator?
Current versions of Chrome, Edge, Firefox and Safari on Windows, macOS, Android and iOS. Keep your browser up to date for the best results.