GST base
Tax is calculated on price after discount, not on MRP.
Free tools
Discount Calculator
Sale price after discount with GST on net amount. Free calculator for retailers and D2C.
₹
- Discount amount
- ₹100.00
- Price after discount
- ₹900.00
- GST
- ₹162.00
- Customer pays
- ₹1062.00
Illustrative estimate only. Rules change; this is not tax, legal, or financial advice. Confirm with a qualified professional before filing or paying.
How to use this tool
1
Enter list price (MRP or catalogue price)
2
Enter discount %
3
Set GST % on the net amount
4
Read discount, GST, and what the customer pays
Quick steps
- 1
Enter list price (MRP or catalogue price)
- 2
Enter discount %
- 3
Set GST % on the net amount
- 4
Read discount, GST, and what the customer pays
Good to know
Invoice value
Most GST invoices show taxable value after trade discount.
Cash discount
If discount depends on early payment, apply it only when it is given.
Inclusive MRP
If MRP is GST-inclusive, do not add GST again on the full sticker price.
Promo vs scheme
Free quantity schemes may need a different GST treatment than % off.
Discount Calculator FAQs
GST applies on the discounted selling price, not the MRP.
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