GST Calculator: Free Guide
📄 Why Use a GST Calculator?
Calculating GST manually can be error-prone, especially when you need to quickly add GST to a quote or figure out the base price from a GST-inclusive amount. The GST Calculator does both instantly, for any of the standard Indian GST slabs.
🔄 How This Tool Works
Choose "Add GST" to calculate the final price from a base amount, or "Remove GST" to find the base price from a GST-inclusive amount. Enter the amount, select the GST rate, and get an instant breakdown of the original amount, GST amount, and total.
📌 GST Slabs in India
- 5%: Essential goods and services.
- 12%: Standard-rate goods.
- 18%: Most goods and services fall under this slab.
- 28%: Luxury and sin goods.
💡 Tips for Accurate GST Calculation
- Always confirm the correct GST slab for your product or service category.
- Use "Remove GST" when a price you received already includes GST and you need the base price for invoicing.
- Double-check calculations for high-value transactions.
🔒 Privacy & Performance
100% client-side calculation. Your amounts are never uploaded to a server or stored anywhere.
❓ Frequently Asked Questions
Multiply the base price by the GST rate and add it to the base price.
Divide the total price by (1 + GST rate/100) to get the base price.
The common slabs are 5%, 12%, 18%, and 28%.