How to reverse calculate tax from gross total?

calculator tools

Sales Tax & VAT Calculator

Calculate sales tax, Goods & Services Tax (GST), and Value Added Tax (VAT) additions or subtractions.

4.8 / 5(2200 votes)

Execution Mode

100% Client-Side In-Browser

Data Privacy

Zero Persistent Storage

Access Policy

Free · No Signup Required

Informational Disclaimer: This calculator provides mathematical estimates for educational and informational purposes only. It should not be considered professional financial, medical, nutritional, legal, or investment advice.

Pre-tax Price ($)

Tax Rate (%)

Pre-tax Price

$0.00

Tax Amount

$0.00

Total Price

$0.00

How to Use Sales Tax & VAT Calculator

1
Enter base price.
2
Set tax percentage rate.
3
Choose Add or Extract tax.

Key Features

Add Tax / Remove Tax modes
Custom tax percentage input
Net vs Gross breakdown

Benefits

Calculate invoice taxes accurately
Extract net price from total tax-inclusive bills

Common Pitfalls to Avoid

• Subtracting tax percentage directly from gross price instead of reverse formula.

Data Handling & Privacy Notice

This utility executes entirely client-side in your web browser. No text, calculations, or uploaded data are sent to our servers or stored in any database.