SHOPPING CALCULATOR
Discount Calculator
Calculate sale price, savings, and the true combined rate for stacked discounts.
QUICK ANSWER
How discount calculation works
Enter the original price and discount. Add a second discount when a coupon applies after the first sale.
Formula: price × (1 − discount ÷ 100) × (1 − extra discount ÷ 100)
Privacy: Browser-only calculation. Values are not uploaded.
FAQ
FAQ
How do I calculate 20% off?
Multiply the original price by 0.8 to get the sale price.
Is 20% off plus 10% off equal to 30%?
No. The discounts apply in sequence, producing an effective discount of 28%.
▦ MORE TOOLS
Find another useful tool
Timer Calculator Percentage Calculator Margin Calculator Scientific Calculator QR Generator Word Counter VAT Calculator ROAS Calculator ROI Calculator Image Compressor Merge PDF JSON Formatter Image Resizer PDF Compressor Unit Converter Date Calculator Password Generator JPG to PNG PNG to JPG PDF to JPG UUID Generator Base64 Encoder/Decoder WebP to JPG JPG to PDF Split PDF Image Cropper Case Converter QR Scanner Image to WebP WebP to PNG Rotate PDF Remove PDF Pages CSV to JSON JSON to CSV URL Encoder/Decoder Unix Timestamp Converter Markdown Previewer Online Stopwatch Pomodoro Timer Loan Calculator Compound Interest Calculator Age Calculator PDF to PNG PNG Compressor Color Picker Regex Tester Hash Generator Break-even Calculator CAGR Calculator Tip Calculator Salary Calculator BMI Calculator Time Zone Converter Text Diff Checker HTML Formatter CSS Formatter & Minifier Cron Expression Parser Value Proposition Builder Offer Builder Customer Persona Builder Pricing Scenario Calculator Content Brief Builder SOP Builder Mortgage Calculator Calorie Calculator Image Metadata Viewer Add Page Numbers to PDF