GST & Sales Tax Calculator

Add or remove GST or sales tax.

Gross Amount (Tax Included) $1,180.00

Base Amount ($)

Tax Rate (%)

Tax Amount

$180.00

Tax Rate Applied

18%

About GST & Sales Tax Calculator

Working out sales tax helps you manage business expenses. RealOnlineTools provides an on-device tax calculator.

Add or remove GST or general sales tax instantly in your browser, keeping your transactions private.

How do I accurately calculate my GST manually?

To add tax: GST = Price * (Tax Rate / 100). To remove tax: GST = Price - [Price / (1 + Tax Rate / 100)].

What is the difference between inclusive tax and exclusive tax in business finance?

Inclusive tax means the price already includes the tax. Exclusive tax means the tax is added to the base price.

Is an online tax calculator accurate for sales tax reporting?

Yes, our tool calculates tax additions and removals precisely. The calculations run locally, keeping your transactions private.