URLTO GUIDE
Why successive 20% and 10% discounts do not total 30%
A successive discount uses a new base for the second step. Use each result as the next input.
URLTO editorial · Updated
Input and processing example
Compare it yourself · Illustrative example
10,000 × 0.8 = 8,000 8,000 × 0.9 = 7,200 전체 할인 / total reduction: 2,800 = 28%
Steps to verify
- Read order and eligibility rules.
- Calculate each stage.
- Compare with final billing conditions.
How to interpret the result
The second 10% applies to 8,000 rather than 10,000. Check whether the seller actually permits stacked discounts.
Deciding what to do next
Fixed coupons, caps and rounding can alter the result. The tool does not automatically apply those rules.
Feature scope
Calculate portions, final discounted prices and changes in the browser. Change mode requires a positive initial value and does not automatically apply tax, compounding or accounting rules.
Frequently asked questions
Can the discount rates simply be added?
Successive discounts on different bases require stage-by-stage calculation.