Modern GST Calculator

GST Calculator - Forward & Reverse GST Calculation with IGST, CGST, SGST

The GST Calculator by SiD X Tool is a powerful and easy-to-use online tool that lets you calculate GST either by adding it to the base amount (Forward GST) or removing it from the total price (Reverse GST). It provides clear breakup of CGST, SGST, or IGST based on your selection.

✅ Two Modes in One Tool

• Forward GST Calculation: Add GST to base price to get total price
• Reverse GST Calculation: Remove GST from final price to get base price

Supported GST Rates

This GST Calculator supports the standard GST slabs used in India:

• 5% GST (2.5% CGST + 2.5% SGST)
• 12% GST (6% CGST + 6% SGST)
• 18% GST (9% CGST + 9% SGST)
• 28% GST (14% CGST + 14% SGST)
• IGST = CGST + SGST (for inter-state transactions)

Why Use This GST Calculator?

• ⚡ Instantly calculate GST added or included
• 🔁 Toggle between Forward (Add) and Reverse (Remove) modes
• 📊 View tax amount + CGST/SGST or IGST split
• 📱 100% mobile responsive design
• 🧾 Helpful for billing, invoices, price calculations, and ecommerce
• 🔒 No login or data storage required

How to Use the GST Calculator?

1. Enter the amount (either base price or total price)
2. Select mode: Add GST or Remove GST
3. Choose GST rate (5%, 12%, 18%, 28%)
4. Click “Calculate”
5. View base price, GST amount, total price, and tax split

Real-World Use Cases

• 🧾 Generate GST-inclusive invoice from base price (Forward)
• 📉 Extract base price from a GST-inclusive MRP (Reverse)
• 💼 Small businesses calculating selling price after GST
• 🛍️ Buyers and customers verifying tax amount on bills

Example Calculations

• Forward GST: ₹1000 + 18% GST = ₹1180 (CGST ₹90 + SGST ₹90)
• Reverse GST: ₹1180 - 18% GST = ₹1000 (GST = ₹180)

FAQs – Frequently Asked Questions

• Q: What is Forward GST calculation?
  A: It means calculating GST by adding it on top of the base price.
• Q: What is Reverse GST calculation?
  A: It means removing the GST from a total price to find the base amount.
• Q: Can I use this for interstate transactions?
  A: Yes, choose IGST if you're calculating GST for inter-state sales.
• Q: Can I use this calculator for free?
  A: Yes, this GST Calculator is 100% free and always will be.

Conclusion

The GST Calculator from SiD X Tool is the perfect solution for anyone looking to calculate GST quickly and accurately. With both Forward and Reverse GST calculation modes, it’s ideal for buyers, sellers, accountants, freelancers, and students. Try it now and simplify your GST tasks today!