Discount Calculator Calculate discount amount and final price from percentage or fixed discounts.
Discount Calculator
Calculate discount amount and final price from percentage or fixed discounts.
Enter Original Price
Input the item's original price before any discount.
Choose Discount Type
Select percentage-off or fixed-amount discount and enter the value.
See Your Savings
View the final price, discount amount, and total savings.
What Is Discount Calculator?
A discount calculator quickly determines the final price of an item after applying a percentage-off or fixed-amount discount. It shows both the discount amount and the resulting sale price, helping shoppers make informed purchasing decisions during sales events. The calculator supports both discount types: percentage discounts (e.g., 25% off an $80 item = $20 off = $60 final price) and fixed-amount discounts (e.g., $15 off an $80 item = $65 final price). For percentage discounts, it shows the dollar amount saved, and for fixed-amount discounts, it shows the equivalent percentage. This is a practical everyday tool for comparing deals, planning purchases during sales, and understanding the true value of promotional offers.
Why Use Discount Calculator?
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Supports both percentage and fixed-amount discounts
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Shows savings amount and final price simultaneously
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Instant calculation with clear formatting
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Cross-calculates percentage from fixed and vice versa
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Perfect for shopping comparison and budgeting
Common Use Cases
Shopping Sales
Quickly calculate final prices during percentage-off sales events.
Coupon Comparison
Compare the value of different coupons (% off vs $ off) on specific items.
Budget Planning
Calculate actual spending when buying discounted items.
Retail Pricing
Determine sale prices for inventory markdowns.
Technical Guide
For percentage discounts: Discount Amount = Original Price × (Percentage / 100), Final Price = Original Price − Discount Amount. For fixed-amount discounts: Final Price = Original Price − Discount Amount, Equivalent Percentage = (Discount / Original Price) × 100. The calculator validates that discounts don't exceed the original price (no negative final prices) and handles edge cases like 0% and 100% discounts. Multiple stacked discounts don't simply add: a 20% discount followed by another 10% discount is equivalent to a 28% total discount (0.8 × 0.9 = 0.72), not 30%.
Tips & Best Practices
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1Stacking discounts: 20% off then 10% off = 28% total, not 30%
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2Compare discount value in dollars, not just percentages, for different-priced items
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3A higher percentage off a cheaper item may save less than a lower percentage off an expensive item
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4Watch for "up to X% off" — the maximum discount may only apply to select items
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5Calculate price per unit after discount to compare package deals
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🔢 Math & CalculatorsFrequently Asked Questions
Q How do I calculate the final price after a percentage discount?
Q Can discounts stack?
Q Which is better: $ off or % off?
Q What about tax on discounted items?
Q How do I find the original price from a discounted price?
About This Tool
Discount Calculator is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.