GST Calculator

Calculate GST amount and total price instantly with our free online calculator. Supports all GST rates with exclusive and inclusive calculations for India.

Enter base or total amount
Select GST rate or enter custom
Exclusive: GST added to base | Inclusive: GST included in total
Exclusive Calculation: GST will be added to base amount
Standard GST Rates in India
5%
Essential goods
12%
Processed foods
18%
Standard rate
28%
Luxury items
Click any rate to select it instantly

GST Calculation Results

Base Amount
₹1,000.00
Amount before GST
GST Amount
₹180.00
Tax amount
Total Amount
₹1,180.00
Amount after GST
GST Rate
18%
Applied tax rate
GST Components Breakdown
Show IGST/CGST/SGST Split
Toggle to see inter-state (IGST) or intra-state (CGST+SGST) breakdown

Detailed Breakdown

Calculation Type: Exclusive
Original Input: ₹1,000.00
GST Rate Applied: 18%
GST Amount: ₹180.00
Total Amount (Including GST): ₹1,180.00
Multi-Item Calculator
Calculate GST for multiple items
Export to Excel
Download results as spreadsheet
Calculation History
Track your previous calculations
Save Presets
Save frequently used rates

Business Invoicing

Perfect for businesses creating invoices and calculating GST amounts for products and services. Ensure accurate tax calculations for compliance with Indian GST regulations.

Invoice Verification

Verify GST calculations on invoices received from vendors. Check if the GST amount and total price are correctly calculated using inclusive or exclusive methods.

Tax Planning

Plan your expenses and understand the tax implications. Calculate GST for budgeting, financial planning, and tax preparation purposes.

How to Use the GST Calculator

  • Enter Amount: Input the base amount or total amount depending on your calculation type
  • Select GST Rate: Choose from standard GST rates (5%, 12%, 18%, 28%) or set a custom rate
  • Use Quick Rate Selector: Click on any rate card in the "Standard GST Rates" section for instant selection
  • Choose Calculation Type: Select Exclusive (GST added to base) or Inclusive (GST included in total)
  • Calculate: Click "Calculate GST" to see the GST amount and total price instantly
  • View GST Components: Toggle the IGST/CGST/SGST switch to see tax breakdown
  • Use Advanced Features: Access multi-item calculator, history, export, and presets
  • Copy Results: Use "Copy Results" button to copy calculation details to clipboard
  • Reset: Use "Reset" button to clear all fields and start a new calculation

New Advanced Features

  • Multi-Item Calculator: Calculate GST for multiple items with different prices and names
  • GST Components Split: View IGST (inter-state) or CGST+SGST (intra-state) breakdown
  • Calculation History: Track your previous GST calculations for reference
  • Export Options: Export results to Excel or save as PDF for record keeping
  • Rate Presets: Save frequently used GST rates for quick access
  • Quick Rate Selection: Clickable GST rate cards for instant selection
  • Real-time Updates: All calculations update instantly as you change inputs
  • Mobile Optimized: Fully responsive design works perfectly on all devices

Frequently Asked Questions

What is the difference between IGST, CGST, and SGST?
IGST (Integrated GST) applies to inter-state transactions. CGST (Central GST) and SGST (State GST) apply to intra-state transactions, with each being half of the total GST rate. Our calculator can show both breakdowns.
Can I calculate GST for multiple items at once?
Yes! Use our new Multi-Item Calculator feature in the Advanced section. You can add multiple items with names and prices, then calculate the total GST for all items combined.
How do I save my frequently used GST rates?
Use the Rate Presets feature in the Advanced section. Enter a preset name and rate, then save it. Your saved rates will appear for quick selection in future calculations.
Can I export my GST calculations?
Yes, you can export results to Excel format or save as PDF using the Export feature in the Advanced section. This is perfect for record keeping and business documentation.
Does the calculator store my calculation history?
Yes, the calculator stores your recent calculations locally in your browser. You can view and reference them using the Calculation History feature in the Advanced section.
What is the difference between exclusive and inclusive GST calculation?
Exclusive calculation adds GST to the base price. Inclusive calculation extracts GST from the total price. Exclusive: Base Price + GST = Total. Inclusive: Total Price - GST = Base Price.
What are the standard GST rates in India?
The standard GST rates in India are 5%, 12%, 18%, and 28%. There are also special rates for specific goods and services, and some items are exempt from GST.
Can I calculate GST for custom rates?
Yes, you can select "Set Own Value" from the GST rate dropdown and enter any custom GST percentage for specialized calculations.
How is GST calculated?
GST is calculated by multiplying the base amount by the GST rate percentage. For example, ₹1,000 with 18% GST = ₹1,000 × 0.18 = ₹180 GST amount.
Is this calculator updated with latest GST rates?
Yes, our calculator includes the standard GST rates currently applicable in India. For the most current rates, always refer to official GST notifications from the Government of India.

Advanced GST Calculation Features

Our GST calculator now includes advanced features that make it more powerful than ever before. The Multi-Item Calculator allows businesses to calculate GST for entire invoices with multiple line items. The GST Components Split feature shows detailed breakdowns of IGST, CGST, and SGST for better tax understanding.

Multi-Item Calculation

Calculate GST for multiple items with different prices in one go. Perfect for businesses creating invoices with multiple products or services. Each item can have its own description and price.

GST Components Analysis

Understand how GST is split between central and state governments. View IGST for inter-state transactions or CGST+SGST for intra-state transactions with automatic 50/50 split calculation.

Calculation History

Keep track of your previous GST calculations for reference and audit purposes. The history is stored locally in your browser for privacy and security.

Export and Documentation Features

For businesses that need documentation, our calculator offers export capabilities. You can export GST calculations to Excel format for further analysis or accounting software integration. The PDF export feature creates professional-looking documents suitable for invoicing and record keeping.

GST Rate Presets for Efficiency

Save time with our Rate Presets feature. If you frequently use specific GST rates for certain products or services, you can save them as presets. This allows for one-click selection of your most commonly used rates, making the calculation process faster and more efficient.

  • Quick Preset Creation: Save any GST rate with a custom name
  • One-Click Selection: Apply saved rates with a single click
  • Organized Management: View and manage all your saved presets
  • Browser Storage: Presets are saved locally in your browser
  • Cross-Session Persistence: Presets remain available across browser sessions
  • Easy Removal: Remove unwanted presets anytime

These advanced features make our GST calculator a comprehensive tool for businesses, accountants, and individuals who need accurate and efficient GST calculations with professional documentation capabilities.