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Sales Discount & Final Price Calculator
Find original prices, percentage drop savings, and net totals.
Awaiting Parameters
Input valid figures into the parameter fields and trigger calculations to compile results instantly.
Frequently Asked Questions
The formula is: Final Price = Original Price × (1 - Discount% / 100). For example, a $100 item with 20% off: $100 × (1 - 0.20) = $100 × 0.80 = $80. You save $20.
To find the original price when you know the sale price and discount: Original Price = Sale Price / (1 - Discount% / 100). For example, $80 sale with 20% discount: $80 / 0.80 = $100 original price.
Calculate the first discount, then apply the second discount to the resulting price. For example, 20% off then 10% off a $100 item: $100 → $80 after 20% → $72 after 10%. This is not the same as 30% off.
A discount reduces the price before payment. Cashback returns a percentage of the paid amount after purchase. The effective savings are similar but cashback requires you to pay the full price first.
This tool calculates the discount only. To add tax: calculate the discounted price first, then multiply by (1 + tax rate/100). For example, $80 with 8% tax: $80 × 1.08 = $86.40.
The formula is: Final Price = Original Price × (1 - Discount% / 100). For example, a $100 item with 20% off: $100 × (1 - 0.20) = $100 × 0.80 = $80. You save $20.
To find the original price when you know the sale price and discount: Original Price = Sale Price / (1 - Discount% / 100). For example, $80 sale with 20% discount: $80 / 0.80 = $100 original price.
Calculate the first discount, then apply the second discount to the resulting price. For example, 20% off then 10% off a $100 item: $100 → $80 after 20% → $72 after 10%. This is not the same as 30% off.
A discount reduces the price before payment. Cashback returns a percentage of the paid amount after purchase. The effective savings are similar but cashback requires you to pay the full price first.
This tool calculates the discount only. To add tax: calculate the discounted price first, then multiply by (1 + tax rate/100). For example, $80 with 8% tax: $80 × 1.08 = $86.40.