Quickly calculate totals and GST in Indian Rupees. Use the keypad or enter amounts to build a value, then choose a GST rate and mode (Intra/Inter) to see an instant tax breakdown and grand total.

Tip: Use the rate buttons for common percentages. Select "New GST" or "Old GST" to switch calculation rules; split taxes (CGST/SGST) or IGST are shown based on the selected state mode.