Finance & Business•Free & Browser-Based
GST Calculator
Calculate Goods and Services Tax (GST) or VAT for inclusive and exclusive prices with standard tax slabs (5%, 12%, 18%, 28%) and CGST/SGST breakdown.
Total Gross Amount
$1180.00
Net Base Price$1000.00
Total GST (18%)$180.00
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What is the Free Online GST Calculator?
Goods and Services Tax (GST) is an indirect consumption tax levied on the supply of goods and services. GST Exclusive means tax is added on top of the base price; GST Inclusive means the displayed price already incorporates tax.
100% Client-Side Privacy: Calculations and data processing occur entirely in your local browser memory. Zero files or personal inputs are uploaded to our servers.
How to Use GST Calculator Online: Step-by-Step Guide
- 1Enter the base or total amount.
- 2Select whether the price is GST Exclusive or GST Inclusive.
- 3Choose a standard rate (5%, 12%, 18%, 28%) or enter a custom tax rate.
- 4View net price, tax amount (with 50/50 CGST and SGST split), and final gross total.
Mathematical Formula & Underlying Logic
\text{GST Amount (Exclusive)} = \text{Amount} \times \frac{\text{GST Rate}}{100} \quad | \quad \text{GST (Inclusive)} = \text{Amount} - \left(\frac{\text{Amount}}{1 + \frac{\text{GST Rate}}{100}}\right)
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