🇺🇸 EVERYDAY MATH · UNITED STATES

United States Percentage & Discount Calculator

Calculate sale prices, percent change and savings instantly.

Free to useNo sign-upPrivate by design

Enter your numbers

✎

Original price

Discount

◇ Your values stay in this browser.

Compare the numbers that matter

Amount saved

$135

02 · KEY VIEW

Sale price

$36

Percent change

$49

Tax-ready subtotal

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Plain-English guidance

Everything needed to review the estimate before making a decision.

Percent of a number

Learn what this number means and how it is calculated.

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Percent change

See the assumptions that have the greatest effect.

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Discount stacking

Compare a realistic low, middle and high scenario.

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Markup vs margin

Know what to verify before you take the next step.

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A transparent estimate, built for comparison

This mockup keeps the approved BMI structure: focused inputs on the left, a visual result on the right, then comparison cards and education below. Final formulas and official US sources will be verified before publication.

Editorial checklist

✓ Formula and edge cases tested

✓ Primary government sources cited

✓ Assumptions shown beside the result

✓ Review date visible on the page

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.