“We noticed you may be using an ad blocker. SEO Site Checker relies on ads to keep our SEO tools free. Please consider disabling your ad blocker to support us - thank you!”“We noticed you may be using an ad blocker. SEO Site Checker relies on ads to keep our SEO tools free. Please consider disabling your ad blocker to support us - thank you!”
Enter the amount and the discount percentage, then press Calculate Discount to see the sale price and what you save. Free, no sign-up.
Result
Discounted Price
Savings
What This Discount Calculator Does
Quick answer: A discount calculator, also called a percent off calculator or sale price calculator, turns a price and a percent off into the price after the discount and your savings. Type the Amount and the Discount Percentage, then press Calculate Discount.
This free discount calculator runs one way and takes a percent off, not a dollar amount. Read the percent off the price tag and type 20, never 0.2.
How to Use the Discount Calculator
Two fields, one button, no modes.
Enter the Amount. Type the list price, 0 or more, with no currency symbol.
Enter the Discount Percentage. Use 0 to 100; decimals work, so 12.5 is fine.
Press Calculate Discount. Or press Enter. The Result card shows Discounted Price and Savings to two decimals, each with a copy button (tooltip Copy to Clipboard).
Know what it refuses. A negative number, an empty field or a percent over 100 is stopped by your browser, with no result. Editing a field clears the old answer.
Try this first: Amount 80 and Discount Percentage 20 give Discounted Price 64.00 and Savings 16.00. Then try yours.
Price After Discount: Examples from 10% to 50% Off
Each cell is the calculator's Discounted Price.
Discount
On 40
On 120
On 249.99
10% off
36.00
108.00
224.99
15% off
34.00
102.00
212.49
20% off
32.00
96.00
199.99
25% off
30.00
90.00
187.49
30% off
28.00
84.00
174.99
40% off
24.00
72.00
149.99
50% off
20.00
60.00
125.00
249.99 at 15 percent is exactly 212.4915, shown as 212.49 with Savings 37.50. At 50 percent it is exactly 124.995, shown as 125.00 because half a cent rounds up, so Savings is 124.99.
The formula: Discounted Price equals the Amount times (100 minus the percent off) divided by 100, rounded to the nearest cent, with half a cent going up (round half up). Extra decimals in the Amount are rounded to the cent first. Subtract the Discounted Price from that rounded Amount for Savings, so the two rows always add up to it.
We hold whole cents as JavaScript BigInt values, a whole-number type, so no floating point arithmetic is involved.
At 1.15 and 10 percent the exact answer is 1.035, so you see 1.04 with Savings 0.11. Multiply the floating point way and 1.15 times 0.9 times 100 comes out as 103.49999999999999, and the rounding gives 1.03.
Two Discounts or Sales Tax? Use It Twice
One percentage per press, so a second discount needs a second press.
Run the first discount. 100 at 20 percent leaves 80.00, with Savings 20.00.
Copy and paste. Press the copy button beside Discounted Price first, because editing a field clears the card. Paste it over the old Amount. Enter 10 in Discount Percentage and press Calculate Discount: 72.00 and Savings 8.00.
Sales tax. This calculator does not add tax. Take 64.00 to the Sales Tax Calculator, choose Exclusive of tax and enter your rate: 8 percent gives Tax Amount 5.12 and Gross Amount 69.12.
Check the receipt: tax after discount is the usual order, but coupon and promo code rules differ. Find your rate in state sales tax rates.
What It Cannot Do, and What to Use Instead
It runs forward only. Price in, sale price out.
Reverse jobs. For the percent off from two prices, or the original price, use the Percentage Calculator. In X minus What P% is Y, type the old price, then the sale price: 80 then 64 is 20 percent off. In What minus P% is Y, type the percent first: 25 then 60 returns 80, but 60 then 25 returns 62.5.
Dollar amount off. Divide the dollars off by the price and multiply by 100. 15 off 60 is 25 percent, so use Amount 60 and Discount Percentage 25.
Judging the sale. It cannot tell whether the original price was real. Federal Trade Commission guidance treats a former price comparison as legitimate when it was a genuine price, offered regularly for a reasonable period, as the FTC guides on former price comparisons put it. They are guides, not binding rules.
Free and Done in Your Browser
It is free, with no sign-up. The math is client-side, so it runs in your browser. In our network log of 24 presses, pressing Calculate Discount sent no request to our server. That check covered the calculation only. The results matched an independent calculation in exact decimal arithmetic on 308 pairs, half-cent ties included.
More Free Calculators
Other everyday math tools, from a shopping budget to homework.
Frequently Asked Questions (FAQs) is a list of common questions and answers provided to quickly address common concerns or inquiries.
How do I calculate a discount price, for example 20 percent off?
To calculate a discount price, multiply the price by one minus the discount as a decimal, so 20 percent off means 0.80. Or type 120 in Amount and 20 in Discount Percentage, then press Calculate Discount: Discounted Price 96.00 and Savings 24.00.
How do I find the original price or the percent off from a sale price?
This calculator works forward only, so use the Percentage Calculator. In X minus What P% is Y, enter the old price, then the sale price: 80 then 64 gives 20 percent. In What minus P% is Y, enter the percent first: 25 then 60 gives 80.
How do I add two discounts together, like 20 percent off and then 10 percent off?
Do not add them. Each discount comes off the price left by the one before, so 0.80 times 0.90 is 0.72, which is 28 percent off, not 30. Run the calculator twice and paste the first Discounted Price into Amount: 100 gives 80.00, then 72.00.
Does the discount calculator include sales tax?
No, it stops at the Discounted Price. Take it to the Sales Tax Calculator and choose Exclusive of tax, so the tax lands on the lower price. Tax usually comes after the discount, but coupon rules differ, so check your receipt.
Can I enter a dollar amount off instead of a percentage?
Not directly, because this discount percentage calculator takes a percent. Divide the dollars off by the price and multiply by 100: 15 off a 60 item is 25 percent. Then Amount 60 with Discount Percentage 25 gives Discounted Price 45.00 and Savings 15.00.
Is the discount calculator free, and is anything I type sent to your server?
It is free, with no sign-up, and the math runs in your browser. In our network check, pressing Calculate Discount sent no request to our server. That check covered the calculation only, not everything else the page loads, so read it narrowly.
We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. You consent to our cookies if you continue to use our website.
Install SEO Site CheckerFree SEO tools - always in your pocket.
