Percent off calculator for sale price and total savings
Enter the original price, discount, optional post-discount tax and quantity. HitEquals reports savings, unit sale price and complete order total.
Inputs used by this calculator
Percent Off Calculator uses the fields below. The starting values reproduce the page example; replace them with values from the same units and time period before using the result.
| Input | Starting example | Accepted value | How it is used |
|---|---|---|---|
| Original price | 120 | 0 to 1000000000000 | Supplies the original price quantity used by the published equation or result breakdown. |
| Discount (%) | 25 | 0 to 100 | Supplies the discount (%) quantity used by the published equation or result breakdown. |
| Sales tax after discount (%) | 0 | 0 to 100 | Supplies the sales tax after discount (%) quantity used by the published equation or result breakdown. |
| Quantity | 1 | 1 to 1000000 | Supplies the quantity quantity used by the published equation or result breakdown. |
Calculate percent off
Convert the discount to a decimal, multiply it by the original price and subtract the savings. Quantity multiplies both savings and final cost.
Discount formulas
A percentage is divided by 100 before multiplication.
savings = original × discount/100sale price = original − savingsTax after discount
The tax field applies to the discounted subtotal. Jurisdictions and promotions can use different taxable bases, so compare with the seller's checkout.
Multiple items
Quantity assumes identical items with the same original price and discount. Mixed carts should be calculated line by line.
Compare a promotion
A stated percentage does not include shipping, fees, exclusions or subscription conditions. The result panel keeps pre-tax and after-tax totals separate.
What the Percent Off Calculator answers
Calculate sale price, savings, tax and quantity total from a percentage discount.
Use Percent Off Calculator when you know Original price, Discount (%), Sales tax after discount (%) and Quantity and need the relationship expressed by the published equation.
Common discount multipliers
| Discount | Pay |
|---|---|
| 10% | 90% |
| 20% | 80% |
| 25% | 75% |
| 50% | 50% |
| 75% | 25% |
Frequently asked questions
How do I calculate 25% off?
Multiply the original price by 0.75.
Is sales tax included?
Only when you enter a tax rate; it is applied after the discount.
Can a discount exceed 100%?
No. This calculator limits standard retail discounts to 0–100%.
Does quantity change the unit price?
No. It multiplies the identical unit sale price and savings.
Are coupons and shipping included?
No. Add seller-specific coupons, fees and shipping separately.
What question does this Percent Off Calculator answer?
Calculate sale price, savings, tax and quantity total from a percentage discount.
What to keep in mind
Tax treatment, exclusions, coupons and reference prices vary. Verify the checkout total and promotion terms.
Results are rounded for display in US format, with money in dollars and cents; CSV exports keep full calculation precision. This is a calculation summary, not an official certificate.