Double Discount Calculator
Calculate stacked discounts correctly with a clear price ladder, effective discount, and copy-ready summary. Optional margin guard + AI insights.
Enter the original price and two discounts to get the true final price and effective discount.
Optional: add cost + target margin to check a price floor.
Final price
$72.00
Total savings
$28.00
Effective discount
28%
Equivalent single discount
28%
Formula
Final = Original × (1 - A) × (1 - B)
Rounded to 2 decimals. Effective discount = (Original - Final) / Original.
Price ladder
After discount A
$80.00
Savings $20.00
After discount B
$72.00
Savings $8.00
Use a common stack: $100 with 20% then 10%.
Get a promo sanity check and margin risks based on your inputs.
Avoid sharing personal or sensitive data. AI output is advisory only.
Explore adjacent tools for pricing and promotion planning.
Why this calculator is different
Price ladder
See the price after each discount and the savings at every step.
Effective discount
Get the true total discount (not just A + B).
Margin guard
Add cost and target margin to check a price floor.
Shareable summary
Copy inputs, outputs, and the formula in one click.
How it works
Enter original price
Start with the list price before any discounts.
Add two discounts
Input discount A and discount B in order.
Review the ladder
See the final price, total savings, and effective discount.
FAQ
Calculate stacked discounts in seconds
Use the double discount calculator for a clean, explainable promo breakdown.
Use calculatorDisclaimer: This tool assumes sequential percentage discounts and rounds to two decimals. Taxes and fees are not included.