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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.

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Calculate Discount

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:

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Sale Price

Calculate price after discount.

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Savings Amount

See how much you save.

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Discount Percentage

Find % off from two prices.

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Multiple Discounts

Stack discounts correctly.

Instant Results

Calculations are immediate.

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100% Private

Your calculations stay private.

How to Discount Calculator in 3 Easy Steps

Calculate discounts:

1

Enter Price

Original price before discount.

2

Set Discount

Percentage off or sale price.

3

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

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Smart Shopping
Know your savings

Common Use Cases for Discount Calculator

Perfect for:

Shopping

Calculate sale prices before checkout.

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Retail Pricing

Set discount prices for sales.

Price Sale

Deal Comparison

Compare which deal saves more.

Compare Deals

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!

Calculate Discount

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