GST Calculator

Free GST Calculator Online in India – Instantly Calculate GST Amount

Looking for a free GST calculator online in India? Use this simple and accurate GST calculator to instantly calculate GST amount, original price, and total price — whether your amount is GST inclusive or exclusive. Check Our Small Business Calculator Online

Results

Original
₹0
GST
₹0
Total
₹0
GST Rate5%
Calculation TypeExcluding GST
GST % of Original0%
Effective Increase0%
This calculator estimates GST, original price and totals for both forward and reverse GST scenarios. For official use, verify with invoices.

Frequently Asked Questions

Is this GST calculator really free to use?

Yes, this is a completely free GST calculator online for India. You can use it as many times as you want without any signup, payment, or limitation.

Can I calculate GST for both inclusive and exclusive prices?

Yes. This tool allows you to calculate GST from a base price (exclusive GST) as well as find the original price from a total amount (inclusive GST).

Which GST rates are supported by this calculator?

This calculator supports standard Indian GST rates — 5%, 12%, 18%, and 28% — along with a custom GST rate option if you need it.

Is this GST calculator accurate for business and accounting use?

Yes, the calculator uses standard GST formulas and provides accurate results. However, always verify final amounts with your official invoices or accounting software.


GST Calculator Online

This tool is designed for Indian users to quickly calculate 5%, 12%, 18%, and 28% GST rates, along with custom GST rates. It works entirely in your browser, is fast, mobile-friendly, and completely free to use.

Whether you are a business owner, freelancer, accountant, student, or consumer, this free GST calculator helps you understand exactly how much tax you are paying or charging.

What this Free GST Calculator Does

  • Calculate GST amount from a base price (exclusive GST)
  • Find original price from a total amount (inclusive GST)
  • Split total price into original amount and GST tax
  • Calculate GST at 5%, 12%, 18%, 28%, or custom rates
  • Avoid manual calculation errors

Why Use This Free GST Calculator Online in India?

  • 100% free and unlimited use
  • Designed specifically for Indian GST structure
  • Works on mobile, tablet, and desktop
  • No ads, no signup, no data tracking
  • Accurate reverse and forward GST calculation

Example GST Calculation

If the original price is ₹1000 and GST rate is 18%:

  • GST = ₹180
  • Total price = ₹1180

If the total price is ₹1180 and GST rate is 18%:

  • Original price = ₹1000
  • GST = ₹180

This tool automatically handles both cases.

This free GST calculator online in India is built to be simple, fast, and reliable. Bookmark this page and use it whenever you need to calculate GST correctly without spreadsheets or manual formulas.