Free Discount Calculator - Calculate Sale Prices Instantly
Calculate discounted price, savings amount, and discount percentage. Best free discount calculator 2025 - perfect for shopping deals and retail pricing.
Quick Answer
To calculate a discounted price: Sale Price = Original Price × (1 - Discount%). For a $100 item at 30% off: $100 × (1 - 0.30) = $100 × 0.70 = $70. Savings = $100 - $70 = $30. Calculate any discount at practicalwebtools.com.
Key Facts about Discount Calculator:
- Discount formula: Sale Price = Original × (1 - Discount%)
- Savings formula: Savings = Original × Discount%
- To find discount %: Discount = (Original - Sale) / Original × 100
- Stacked discounts multiply: 20% then 10% = 28% total (not 30%)
- "Up to X% off" often means best items have smaller discounts
- Compare unit prices, not just discount percentages
- Some "sales" inflate original prices before discounting
Why Use Our Discount Calculator?
Quick discount calculations:
Sale Price
Calculate price after discount.
Savings Amount
See how much you save.
Discount Percentage
Find % off from two prices.
Multiple Discounts
Stack discounts correctly.
Instant Results
Calculations are immediate.
100% Private
Your calculations stay private.
How to Discount Calculator in 3 Easy Steps
Calculate discounts:
Enter Price
Original price before discount.
Set Discount
Percentage off or sale price.
Get Results
See sale price and savings.
Shop Smarter
Know the actual sale price instantly
Calculate savings before you buy
Find the true discount percentage
Compare deals effectively
Common Use Cases for Discount Calculator
Perfect for:
Frequently Asked Questions
Everything you need to know about our discount calculator
How do I calculate discount price?
Original × (1 - Discount%). $80 at 25% off = $60.
Sale Price = Original × (1 - Discount%). For $80 at 25% off: $80 × 0.75 = $60 sale price.
How do I find the discount percentage?
(Original - Sale) / Original × 100. $100 to $75 = 25% off.
Discount % = (Original - Sale) / Original × 100. If $100 item is now $75: ($100-$75)/$100 × 100 = 25% off.
How do stacked discounts work?
Multiply: 20% then 10% = 28% total (not 30%).
Multiply sequentially. 20% then 10% off: $100 × 0.80 × 0.90 = $72 (28% total, not 30%).
Is "buy one get one 50% off" a 25% discount?
Yes, 25% off when buying two items.
Yes, for two items. You pay 100% + 50% = 150% for 2 items = 75% per item = 25% off each.
Still have questions? Try the tool yourself!
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