Discount Calculator

How to Use Enter the original price and the discount percentage. The discount amount and final price appear instantly. Alternatively, enter the original and sale prices to calculate the discount percentage. Enable tax to include sales tax in the calculation. Who Is This For Shoppers calculating final prices during sales, retailers setting promotional prices, and deal-hunters who want to combine multiple discounts (coupon + card cashback) to find the true final cost. Key Features • Discount rate → discount amount and final price • Reverse: original and sale price → discount rate • Stacked discounts (coupon + additional % off) • Tax inclusive/exclusive option • Multiple item batch calculation Frequently Asked Questions Q: Is a 30% discount followed by an extra 10% off the same as 40% off? A: No. Stacked discounts compound: (1 - 0.3) × (1 - 0.1) = 0.63, so the actual discount is 37%, not 40%. This tool calculates stacked discounts correctly. Q: How do I find the pre-tax price from a tax-inclusive total (10% tax)? A: Divide the total by 1.1. Use the reverse calculation mode for this. Q: How do I calculate a selling price from cost plus margin? A: Enter the cost and target margin percentage and the tool reverse-calculates the selling price. Tips When comparison shopping, compare final checkout prices rather than discount percentages. Add up all discounts — coupon, card cashback, points — using this tool to find the genuinely cheapest option.