Free GST Calculator Online (Exclusive & Inclusive Tax)

Calculate Goods and Services Tax (GST) for standard slabs (5%, 12%, 18%, 28%). Find base price, GST amount, CGST, SGST, and gross total instantly.

🔒 100% In-Browser & Zero Server Uploads

About GST Calculator (Exclusive & Inclusive)

Computes GST tax components for both Tax-Exclusive (adding GST to net price) and Tax-Inclusive (extracting embedded GST from gross amount) transactions with CGST/SGST bifurcation.

How to Use GST Calculator (Exclusive & Inclusive) Online

  1. Enter the base amount or total amount.
  2. Select your GST tax slab (0%, 5%, 12%, 18%, 28% or custom).
  3. Choose calculation mode: GST Exclusive (Add GST) or GST Inclusive (Extract GST).
  4. View total GST, CGST, SGST, and final amount breakdown.

Frequently Asked Questions

What is the formula to calculate GST inclusive amount?
GST Amount = Total Amount - (Total Amount × (100 / (100 + GST Rate))). Base Amount = Total Amount - GST Amount.