GST Calculator – Calculate GST Amount & Final Price Online

GST Calculator

Calculate GST amount, net price and final price quickly and accurately.

GST Details

Add GST: If price is 1,000 and GST is 18%, GST = 180 and final price = 1,180.

Remove GST: If GST-inclusive price is 1,180 at 18%, base price = 1,000.
Enter price and GST rate, then click Calculate GST
Base Price —
GST Amount —
Final Price —
GST Rate —
Calculation Mode —
Price Before GST —
GST Amount —
Price Including GST —
GST calculation formulas depend on whether the entered amount is GST-exclusive or GST-inclusive. This tool provides a mathematical estimate and does not determine the tax rate applicable to a specific product or jurisdiction.