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GST Calculator

Calculate GST (Add or Remove) accurately with India's updated GST slabs

📋 Common GST Slabs in India

5%
Essential
12%
Standard
18%
General
28%
Luxury

📖 How It Works ✨

1️⃣

Enter Amount

Input the base amount (without GST) or the total amount (including GST) depending on your calculation type.

2️⃣

Choose GST Type

Select "Add GST" to calculate price including tax, or "Remove GST" to find the original price before tax.

3️⃣

Select GST Rate

Choose from India's standard GST slabs: 5%, 12%, 18%, or 28% based on your product/service category.

4️⃣

Get Instant Results

Click calculate to see GST amount, base amount, and final amount with detailed breakdown.

⭐ Features & Benefits

🧮

Dual Calculation Modes

Add GST to get final price or remove GST to find base price

📊

All GST Slabs

Supports 5%, 12%, 18%, and 28% GST rates

⚡

Instant Calculation

Real-time results with precise decimal handling

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Mobile Friendly

Fully responsive design works on all devices

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Interactive Interface

Clickable buttons for quick rate and type selection

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Precise Calculations

Accurate formula with 2 decimal place rounding

📌 Why Use This GST Calculator?

  • ✓ Perfect for businesses to calculate tax on invoices and billing
  • ✓ Helps consumers understand how much tax they're paying on purchases
  • ✓ Useful for accountants and finance professionals for quick tax calculations
  • ✓ Supports both forward calculation (adding GST) and backward calculation (removing GST)
  • ✓ Accurate for all standard Indian GST slabs with simple interface
  • ✓ Save time with one-click rate selection and instant results

📊 Understanding GST in India

5% Slab

Essential goods like packaged food items, medicines, and transport services.

12% Slab

Standard goods including processed food, butter, and certain electronics.

18% Slab

Most goods and services including electronics, restaurants, and telecom services.

28% Slab

Luxury items like automobiles, high-end electronics, and sin goods.

💡 Pro Tip: When "Adding GST", the calculator shows the final price including tax. When "Removing GST", it shows the original price before tax. Use the toggle buttons to switch between modes easily.

📐 GST Formulas

Add GST:

GST Amount = (Original Amount × GST Rate) ÷ 100

Final Amount = Original Amount + GST Amount

Remove GST:

GST Amount = (Total Amount × GST Rate) ÷ (100 + GST Rate)

Original Amount = Total Amount - GST Amount