Calculating Discounts and Sale Prices
During Black Friday, clearance sales, or B2B bulk negotiations, calculating the exact final price after discounts and taxes prevents budgeting surprises and confirms the legitimacy of a deal.
The Double Discount Trap
Retailers often advertise "Take an extra 20% off already reduced 30% items!" This is not a 50% discount. Discounts compound sequentially. If a ₹1,000 item is 30% off, it becomes ₹700. Taking an extra 20% off the ₹700 makes it ₹560. The true total discount is 44%, not 50%.
Factoring in Sales Tax
Sales tax (like GST or US state tax) is applied to the final discounted price, not the original sticker price. To manually calculate this: (Original Price × (1 - Discount %)) × (1 + Tax %). Our calculator automates this entire chain of calculations.