Discount Calculator
Use our free online discount calculator to quickly find final prices, savings, and sale deals. Calculate percentage off, coupon discounts, and price reductions in seconds. Perfect for smart shopping, comparing promotions, and maximizing savings on every purchase.
Original Price
$100.00
Discount Amount
$0.00
Final Price
$0.00
You Save
$0.00 (20.0% off)
Calculation Details
$100.00 - ($100.00 × 20%) = $0.00
Discount: $100.00 × 0.2 = $0.00
How Discount Calculations Work
Discounts can be applied as percentages or fixed amounts, and understanding both methods helps you make informed purchasing decisions:
Percentage Discounts
The most common type where a percentage is taken off the original price. The formula is:
Final Price = Original Price - (Original Price × Discount % / 100)
Fixed Amount Discounts
A specific dollar amount is subtracted from the original price. The formula is:
Final Price = Original Price - Fixed Discount Amount
Real-World Applications
- Shopping: Compare sale prices across different discount types
- Retail: Set competitive sale prices for your products
- Finance: Calculate interest rate reductions or fee waivers
- Negotiations: Evaluate different discount offers from suppliers
Pro Tip: Stacked Discounts
When you have multiple discounts (e.g., 20% off plus an extra 10%), always apply them sequentially, not additively. A 20% discount followed by 10% is not 30% off - it's 28% off total (100 × 0.8 × 0.9 = 72).
Common Percentage Discounts
Common Fixed Discounts
Compare discounts across stores - sometimes a smaller percentage off a lower original price is better.
Check if discounts apply to sale items - some stores exclude already-reduced merchandise.
Time your purchases - many retailers have predictable sale cycles you can plan around.