GST Calculator
Calculate Goods and Services Tax (GST) instantly. Easily compute GST amounts from net price, GST amount from gross price, or split amounts with our intuitive calculator.
Calculate GST
Calculation Type
Add GST
Calculate GST amount & gross price from net price
Remove GST
Calculate net price & GST amount from gross price
Split GST
Calculate net price & gross price from GST amount
Select GST Rate
5%About GST
What is GST?
Goods and Services Tax (GST) is a comprehensive indirect tax levied on the supply of goods and services in India.
GST Rates in India
- 0%: Essential goods
- 5%: Common use items
- 12% & 18%: Standard rates
- 28%: Luxury items
How to Use
- 1. Select calculation type
- 2. Choose GST rate
- 3. Enter your amount
- 4. View results instantly
Calculation History
Your calculation history will appear here
GST Calculator – Fast, Accurate & Easy-to-Use Tool ⚡
Last updated: Dec 2025
A GST Calculator helps you quickly calculate Goods and Services Tax for any product or service in India. Whether you are a business owner, freelancer, accountant, or student, this makes tax calculation simple and stress-free.
This tool supports GST inclusive and GST exclusive calculations and clearly shows CGST, SGST, or IGST based on your transaction type.
👉 Enter your amount below and get GST results instantly!
What is a GST Calculator?
A GST Calculator is an online tool designed to calculate the GST amount added to or included in a price. Instead of doing manual calculations, you can rely on this tool for quick and accurate results.
you can easily find:
- GST amount
- Net price (before tax)
- Final price (after tax)
- CGST, SGST, or IGST split
This makes it useful for daily business operations, invoicing, and learning purposes.
How to Use 🧮
Using this tool on Regalia360.com is simple and beginner-friendly.
Step-by-Step Guide
- Enter the original amount.
- Select the applicable GST rate (5%, 12%, 18%, or 28%).
- Choose whether the amount is GST inclusive or exclusive.
- Click on the Calculate button.
🎯 it will instantly display:
- GST amount
- CGST & SGST (for same-state transactions)
- IGST (for inter-state transactions)
- Total payable amount
👉 Try this tool now and save time on every calculation!
Features 🚀
This tool is designed with real users in mind.
Key features include:
- ✅ Free to use with no registration
- ✅ Supports all Indian GST slabs
- ✅ Automatic CGST, SGST & IGST calculation
- ✅ Works for GST inclusive and exclusive prices
- ✅ Mobile-friendly and fast loading
- ✅ Accurate results based on current GST rules
These features make this reliable for both personal and professional use.

Benefits of Using💡
An online tool offers several practical benefits.
Why users prefer this tool:
- ✔ Saves time compared to manual calculation
- ✔ Reduces chances of calculation errors
- ✔ Helpful for billing, invoicing, and accounting
- ✔ Ideal for students and teachers
- ✔ Improves productivity for small businesses
👉 Bookmark this tool for quick access anytime.
When NOT to use a GST calculator:
- For customs/import/export duties (not covered by GST)
- For exempted or zero-rated items
- When manual invoices require special adjustments or discounts
- For incorrect or incomplete data, as it gives wrong results
GST Calculation Explained (Simple Method)
While this tool does the work instantly, understanding the basics helps.
GST Exclusive Price Formula
GST Amount = (Original Price × GST Rate) / 100
GST Inclusive Price Formula
GST Amount = (Inclusive Price × GST Rate) / (100 + GST Rate)
Using this tool eliminates the need to remember formulas every time.
Current GST Slabs in India 📊
This supports all standard GST slabs used in India.
- 0% – Essential goods
- 5% – Daily-use items
- 12% – Standard goods
- 18% – Most services
- 28% – Luxury items
Simply select the slab, and the tool will handle the rest.
Who Can Use This tool?
This tool is useful for:
- 🧑💼 Business owners & shopkeepers
- 📊 Accountants & finance professionals
- 🎓 Students & educators
- 💼 Freelancers & consultants
- 🧾 Anyone dealing with GST bills
No technical knowledge is required.
Trust, Privacy & Accuracy 🔒
We prioritize user trust and transparency.
- 🔐 No data is stored or shared
- 👀 No login or personal information required
- 📐 Calculations follow official GST structure
- ⚡ Tool runs securely on your device
Regalia360.com is committed to providing reliable and user-focused tools.
Frequently Asked Questions (FAQ) ❓
Is this free to use?
Yes. This is completely free with unlimited usage.
Can I calculate CGST and SGST separately?
Yes. For same-state transactions, it automatically splits the tax.
Does it support IGST calculation?
Yes. it calculates IGST for inter-state transactions. Is this tool suitable for students?
Absolutely. It is widely used by students learning GST concepts.
Does this tool work on mobile?
Yes. The tool is fully responsive and works on all devices.
Start Using the GST Calculator Today ✅
If you need a fast, reliable, and easy-to-use , Regalia360.com has you covered. This tool saves time, reduces errors, and helps you stay GST-compliant.
👉 Enter your amount above and calculate GST instantly!