📊 GST Calculator
Calculate CGST, SGST & IGST easily for your business
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GST Calculator – Accurate Tax Computation in Seconds
Need to add or remove GST from your pricing? Our free GST Calculator helps you calculate Goods & Services Tax with precision and ease. Just enter the amount, select the GST rate, and let the tool instantly show you the tax amount, gross or net total, and full tax breakdown—no manual formulas required.
Why Use Our GST Calculator?
Whether you’re a freelancer, shop owner, accountant, or business professional, calculating GST correctly is crucial. This tool is built for quick, error-free, and transparent GST computation.Ideal for invoicing, billing, cost estimation, and financial planning.
Key Benefits
Instant GST Breakdown
Add or remove GST from any value and get a real-time split of tax components like CGST, SGST, and IGST.
Supports All GST Slabs
Choose from India’s standard GST rates—5%, 12%, 18%, or 28%. Perfect for retail, services, and B2B billing.
Simple & Responsive Design
Optimised for mobile and desktop users. No clutter, no learning curve—just smooth functionality.
Completely Free
No fees. No login. Use it as many times as you want with full freedom.
GST Inclusive or Exclusive Options
Switch between adding GST to base price or extracting it from gross amount with a single click.
How It Works: 3 Simple Steps
- Choose GST Type: Add GST or Remove GST
- Enter Your Amount: Net or gross value based on selection
- Select the GST Rate: 5%, 12%, 18%, or 28%
→ Hit “Calculate GST” and get your result instantly!
Bonus: Click “Reset” to clear all fields and start fresh.
Tax Components Explained
- Base Amount: Original price without tax
- GST Amount: Total tax applied (based on slab)
- CGST & SGST: Equal tax shares for intra-state transactions
- IGST: Single tax for inter-state deals
- Gross Amount: Final amount including tax
Who Is This Tool For?
- Business Owners & Startups – Invoice clients and calculate tax-inclusive pricing with confidence
- Trainers & Consultants – Bill services accurately with proper GST splits
- Accounting Students – Learn GST practically by running real-time calculations
- Accountants & Bookkeepers – Double-check GST values for reports and returns
- Retailers & Online Sellers – Set correct product prices with GST included
Features at a Glance
| Feature | Description |
|---|---|
| Dual Mode | Add or Remove GST based on business needs |
| All GST Rates Supported | Choose from 5%, 12%, 18%, or 28% as per Indian tax system |
| Auto Calculation | Instant GST, CGST, SGST, IGST & Net/Gross totals |
| Mobile-Friendly Interface | Works perfectly on mobile phones, tablets, and desktops |
| Reset Option | Quickly clear inputs and run multiple calculations |
| Privacy-Friendly | No data is stored, saved, or tracked. 100% secure use guaranteed |
FAQs
Is this calculator compliant with Indian GST rules?
Yes, it’s built using the latest GST rates and structures notified by the Indian Government.
Does it handle both intra- and inter-state transactions?
Absolutely. It shows CGST+SGST for intra-state and IGST for inter-state automatically.
Can I use this tool on mobile?
Yes! It’s 100% responsive and works smoothly on all devices
Is this calculator free to use?
Yes, it’s completely free with no restrictions or hidden costs.
Can I calculate GST for custom rates?
Currently, it supports official slabs. Custom rate option may be added in future updates.
Your Data Is Safe With Us
We don’t store or share any information you input into the tool. All calculations happen securely in your browser. No data ever leaves your device.
Avoid GST Errors
Incorrect invoices
Filing mistakes
Miscommunication with clients
Tax penalties or audit risks
Use our GST Calculator to ensure your business stays compliant, confident, and financially clear.