EVERYDAY MATH · UNITED STATES
United States Percentage & Discount Calculator
Calculate sale prices, percent change and savings instantly.
Enter your numbers
◇ Your values stay in this browser.
Compare scenarios
Change original price to see how the result responds.
How to use this calculator
- 1Enter your current original price, discount.
- 2Review the headline sale price and the supporting figures beside it.
- 3Change one input at a time to compare a cautious and an optimistic scenario.
- 4Use the result for planning, then verify the applicable lender, tax, benefit, school, or medical guidance before acting.
Explore this calculator
Compare the numbers that matter
Amount saved
$45
Sale price
$135
Percent change
-25.0%
Original price
$180
Plain-English guidance
Everything needed to review the estimate before making a decision.
Method, assumptions and worked result
This planning experience updates the result from the values above. The current scenario produces $135. It is designed to make the relationship between inputs visible—not to replace an official quote, benefit statement, tax return, clinical assessment, or lender decision.
What to verify
Sales tax and additional promotions are not included unless added separately.
The formula, edge cases, official sources, and review date remain part of the publication checklist for this US-localized calculator.
Frequently asked questions
What does the sale price show?+
It is a planning estimate based on the values currently entered. Supporting cards help show the components or trade-offs behind it.
Can I change the assumptions?+
Yes. Edit any input, then compare the revised result with the starting scenario.
Is this an official quote or determination?+
No. Confirm current requirements and your individual circumstances with the relevant official source or qualified professional.
Can I save this scenario?+
Yes. Use Save at the top of the page to keep the current inputs in this browser, or share and print the page.
Official references
Rules and thresholds used by this calculator are labelled for 2026 or formula-labelled period. Review the primary guidance before making a filing, borrowing, benefit or investment decision.
Last source review: 3 August 2026. Calculator results are estimates and may exclude circumstances described in the methodology.
Official-source readyDesigned for IRS, SSA, CFPB, CDC and other primary references.
Privacy firstInputs remain on your device unless you choose to share.
Mockup statusVisual and interaction concept—formula validation still required.