Double Discount Calculator
Calculate final prices and savings when two consecutive discounts are applied
Calculate Double Discount
The initial price before any discounts are applied
The first discount applied to the original price
The second discount applied to the already discounted price
Double Discount Results
Calculation Breakdown
Discount Analysis
Example Calculation
Holiday Sale Example
Scenario: Black Friday + Store Credit Combo
Original Price: $100 jacket
Black Friday Discount: 30% off
Store Credit Discount: Additional 15% off
Step-by-Step Calculation
1. After 30% discount: $100 × (1 - 0.30) = $100 × 0.70 = $70
2. After additional 15% discount: $70 × (1 - 0.15) = $70 × 0.85 = $59.50
3. Total savings: $100 - $59.50 = $40.50
Result: Final Price = $59.50 (40.5% total discount)
Smart Shopping Tips
Stack Discounts
Look for stores that allow stacking multiple discounts
Timing Matters
Combine seasonal sales with store-specific promotions
Membership Benefits
Use loyalty programs for additional discounts
Common Double Discount Scenarios
Black Friday + Coupon
Store-wide sale + manufacturer coupon
Clearance + Loyalty
End-of-season clearance + member discount
Student + Promotional
Student discount + promotional code
Bulk + Volume
Quantity discount + early bird pricing
Understanding Double Discounts
What is a Double Discount?
A double discount occurs when two separate discounts are applied consecutively to a purchase. The key principle is that the second discount is applied to the already-discounted price, not the original price.
Why Understanding This Matters
- •Helps you calculate true savings accurately
- •Enables better comparison of different deals
- •Prevents overestimating discount value
- •Helps with budget planning and decision making
Double Discount Formula
Final Price = Original Price × (1 - r) × (1 - q)
where r = first discount rate, q = second discount rate
Important Note
Remember: Two 20% discounts ≠ 40% discount!
Actual result: 20% + 20% = 36% total discount
Formula: (1 - 0.20) × (1 - 0.20) = 0.64, so 36% off
Real-World Applications
- • Retail store promotions
- • Online shopping with promo codes
- • Membership and loyalty discounts
- • Seasonal clearance sales
- • Business wholesale pricing