Calculator
GST Calculator
Compute GST amount and total with quick rate presets.
Enter amount
Price before GST.
GST rate: 18%
Choose a slab or set a custom rate.
Results
Breakdown with GST and totals.
Original Amount
₹1000.00
GST Amount (18%)
₹180.00
Total with GST
₹1180.00
Common slabs
Frequently Asked Questions
Is this GST calculator free to use?
Yes! This GST (Goods and Services Tax) calculator is 100% free with no sign-up required. Calculate GST amounts and totals for India unlimited times for your business or personal needs.
How do I calculate GST on a price?
Enter the amount (before GST) and select the GST rate using the quick buttons (0%, 5%, 12%, 18%) or adjust the slider for any rate up to 28%. The calculator instantly displays the GST amount and total amount including GST.
What are the common GST rates in India?
India uses multiple GST slabs: 0% for essential goods, 5% for essential goods and food items, 12% for textiles and processed food, 18% for electronics and vehicles, and 28% for luxury items. The calculator supports all these rates.
Can I calculate GST for invoicing?
Absolutely! Enter your base price, select the applicable GST rate, and the tool shows the GST amount and final price including tax. Perfect for creating invoices, quotes, and pricing for your business.
How accurate is the GST calculation?
The calculator uses the standard GST formula: GST Amount = (Original Amount × GST Rate) / 100. Results are displayed to 2 decimal places, ensuring accuracy for financial transactions and accounting purposes.