About This Free GST Calculator Online

This free GST calculator lets you calculate GST-inclusive or GST-exclusive prices in just a few clicks. It supports multiple GST rates and works instantly on any device. No sign-up, no downloads — just fast, accurate results.

Features

• Add or remove GST from any amount
• Supports multiple GST rates (5%, 12%, 18%, 28%)
• Instant calculation results
• Mobile-friendly interface
• No sign-up or downloads needed

Common Uses

• Calculating GST for sales invoices
• Estimating GST-exclusive or inclusive pricing
• Helping freelancers and shopkeepers with tax breakdowns

How to Use

1. Select whether to add or remove GST.
2. Enter the amount and choose the GST rate.
3. Click "Calculate" to see the GST and final value.