GST Calculator
Calculate Goods and Services Tax (GST) instantly for exclusive and inclusive amounts. Get accurate CGST, SGST, or IGST breakdowns with automatic calculations.
This GST calculator helps businesses, freelancers, and individuals quickly estimate tax amounts for billing, invoicing, and price planning in India.
GST Calculator
Need a proper GST invoice? Generate GST Invoice
About This GST Calculator
This GST calculator helps you quickly compute tax amounts for goods or services in India. You can calculate GST in both Exclusive and Inclusive modes with automatic breakdown into CGST, SGST, or IGST.
The calculator updates results instantly as you type, making it useful for billing, invoicing, price planning, and tax estimation.
GST Calculation Examples
Example 1 (Exclusive):
Amount ₹1,000 with 18% GST → GST ₹180 → Total ₹1,180
Example 2 (Inclusive):
Total ₹1,180 including 18% GST → Base ₹1,000 → GST ₹180
Example 3 (Interstate):
IGST is applied instead of CGST + SGST for interstate transactions.
How Is This Different from Other GST Calculators?
Most basic GST calculators only add or subtract a percentage. This calculator is built specifically for the Indian GST ecosystem.
- Statutory Breakdown: Automatically splits GST into CGST and SGST for intra-state transactions.
- Inclusive vs Exclusive Logic: Accurately back-calculates tax already included in MRP values.
- Business-Ready: Designed for invoicing, freelancing, and accounting accuracy.
Situations & Live Examples
Scenario A: Freelancer’s Quote (Exclusive GST)
A designer charges ₹5,000 for a logo and applies 18% GST.
Result: Base ₹5,000 | GST ₹900 | Total ₹5,900
Scenario B: Shopkeeper’s MRP (Inclusive GST)
A jacket is sold at MRP ₹5,000 including 18% GST.
Result: Base ₹4,237.29 | GST ₹762.71
This prevents businesses from overpaying GST by calculating tax incorrectly on inclusive prices.
Feature Comparison
| Feature | Basic Calculator | Our GST Calculator |
|---|---|---|
| Add / Subtract % | ✅ | ✅ |
| Inclusive Tax Extraction | ❌ | ✅ |
| CGST + SGST Split | ❌ | ✅ |
| Multiple Slab Support | ❌ | ✅ |
| Accounting-Ready Output | ❌ | ✅ |
GST Slabs & Tax Structure (2025–26)
| Rate | Category | Examples |
|---|---|---|
| 0% | Essentials | Milk, eggs, unbranded grains, newspapers |
| 5% | Merit Rate | Packaged food, medicines, bicycles |
| 18% | Standard Rate | Electronics, services, freelancing |
| 40% | Luxury / Sin | Premium cars, tobacco, aerated drinks |
| Special | Precious Metals | Gold 3%, Diamonds 0.25% |
Ads may highlight investment platforms, financial tools, or planning resources.
These ads help support the maintenance of this free calculator.