Free percent off calculator
Find the final price after a percentage-off discount — enter original price and percent off to see the sale price and dollar savings, updated live, as you type.
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Sale price = original × (1 − off%). Does not include sales tax.
Results are estimates. Consult a professional.
How the percent-off calculator works
A percent-off calculator takes an original price and a percentage discount, then returns both the dollar amount saved and the final price you pay. It is the fastest way to evaluate a retail deal — enter the tag price and the advertised percentage, and you instantly know whether the sale is worth it.
Worked example: $129.99 jacket at 30% off
A jacket is tagged at $129.99 with a 30% off banner. How much is the discount in dollars, and what do you actually pay at the register?
Final prices at common retail discounts
The table shows what you pay at common retail price points after each percentage discount. Figures show the final sale price and assume a single discount on the listed original price before tax.
| Original Price | 10% Off | 20% Off | 30% Off | 40% Off | 50% Off |
|---|---|---|---|---|---|
| $20 | $18.00 | $16.00 | $14.00 | $12.00 | $10.00 |
| $50 | $45.00 | $40.00 | $35.00 | $30.00 | $25.00 |
| $100 | $90.00 | $80.00 | $70.00 | $60.00 | $50.00 |
| $150 | $135.00 | $120.00 | $105.00 | $90.00 | $75.00 |
| $200 | $180.00 | $160.00 | $140.00 | $120.00 | $100.00 |
Source: Sale price = original × (1 − discount%). Figures exclude sales tax.
Tips for shopping percent-off sales
Percent-off deals are ubiquitous, but the advertised number does not always tell the whole story. Knowing a few rules of thumb helps you shop with a clear head.
- Check the original price before the sale — retailers sometimes raise the 'regular' price just before a sale event to make the discount look larger than it really is.
- Convert to dollars before deciding — 40% off a $30 item saves $12; 15% off a $200 item saves $30. The bigger percentage is the smaller deal.
- Stack a coupon code on top — many retailers allow a promo code on already-discounted items; apply the larger discount first if the order matters.
- Account for shipping and returns — a 20% online discount can vanish if shipping costs $12 and the return window is short; compare the net price to in-store.
- Time Black Friday vs. end-of-season sales — clothing often goes 50–70% off at end of season with a much larger selection remaining than during a limited-time event.
Accuracy and limitations
This calculator computes the mathematical result of applying a percentage discount to an original price. It does not verify whether the stated original price represents the item's genuine pre-sale value — a question the FTC addresses in its Guides Against Deceptive Pricing. Results do not include sales tax (which varies by state and locality), shipping costs, or any minimum-purchase requirements that may apply to the discount. For items with tiered pricing (e.g., buy 2 get 1 free), convert to a per-unit discount before using the calculator.
Not financial advice — consult a financial professional for your specific situation.
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About this calculator
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