Online GST & VAT Calculator

Calculate goods and services tax (GST) or value-added tax (VAT) values exclusive or inclusive of tax client-side.

⚙️ Tax Settings

Base Amount ($):

Tax Rate (%):

Calculation Mode:

📊 Calculation Results

Net Amount

$100.00

Tax Amount

$15.00

Gross Amount

$115.00

Tax Formula Explanation:

Exclusive: Tax = Amount x Rate / 100.
Inclusive: Net Amount = Amount / (1 + Rate / 100).

Features

Why Use GST & VAT Calculator?

Compute and audit invoice taxes offline securely.

⚙️

Bi-directional Modes

Add tax to a net base amount or remove tax from a gross price inclusive of VAT.">

📊

Detail Breakdown

Displays precise breakdowns showing the Net Amount, VAT/GST value, and final Gross Amount.

🔒

100% Client-Side

Calculates values inside your local browser memory via JavaScript. No server logs.">

⚡

Instant Update

Calculates ratios and updates display values in milliseconds without lag.

✔️

Precise decimals

Renders currency values formatted exactly to 2 decimal spots for invoice compliance.

📱

Responsive Display

Perfect responsive interface matching mobile screen devices and desktop monitors.

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Frequently Asked Questions

It is an online utility that computes goods and services tax (GST) or value-added tax (VAT) values from base prices.

Exclusive tax adds the tax rate on top of your base price. Inclusive tax indicates the tax value is already included in the final price.

No. The calculation runs locally inside your browser memory via JavaScript, keeping your financial metrics private.

Inclusive tax is calculated as: Gross Amount - [Gross Amount / (1 + (Rate / 100))].

Yes. You can enter any percentage (e.g. 5%, 15%, 20%) to match regional tax requirements.

Yes. Results are formatted as standard currency layouts with commas and exactly two decimal spaces.

Yes. The tool is 100% free and requires no registration or subscription limits.