Free GST Calculator Online - India GST Rates Tool on June 24, 2025 Get link Facebook X Pinterest Email Other Apps Free GST Calculator Online - Add or Remove GST Instantly Free GST Calculator Calculation Type: Add GST (Base → Final) Remove GST (Final → Base) Original Price (₹): GST Rate (%): 5% 12% 18% 28% Other / 0% Calculate Print Export History to CSV # Type Input (₹) Rate (%) GST (₹) Base (₹) Final (₹)