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Discount Calculator
Calculate discount price, discount rate, or original price. Quickly find sale prices and savings.
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Example: $100 with 20% off = $80 (save $20)
📖 How to Use
- Select calculation mode (Price→Discounted, Price→Rate, or Discounted→Original)
- Enter the required values
- Click Calculate
- View the result and savings amount
✨ Features
- ✓Calculate discounted price from original price and discount rate
- ✓Calculate discount rate from original and sale price
- ✓Calculate original price from sale price and discount rate
- ✓Automatic savings display
- ✓Quick discount rate buttons (10%, 20%, 30%, 50%, 70%)
📐 Formula
Discounted Price = Original Price × (1 - Discount Rate/100)💡 How It Works
- •Discount rate is the percentage reduction from the original price.
- •Discounted price calculation: Discounted = Original × (1 - Rate/100)
- •Discount rate calculation: Rate = (Original - Discounted) / Original × 100
- •Original price calculation: Original = Discounted / (1 - Rate/100)
- •Savings = Original Price - Discounted Price
- •Example: A $100 item at 30% off → Sale price $70, savings $30
❓ FAQ
Q. How much do I save with 30% off?
A. 30% off means you pay 70% of the original price. A $100 item would cost $70, saving you $30.
Q. What percentage is buy-one-get-one-free (BOGO)?
A. BOGO is equivalent to 50% off when buying 2 items, as you pay for 1 but get 2.
Q. Can I find the original price from the sale price?
A. Yes, use the 'Discounted→Original' mode. For example: $70 sale price at 30% off = $100 original.
Q. How do stacked discounts work?
A. Stacked discounts multiply: $100 with 30% off, then 20% more = $100 × 0.7 × 0.8 = $56. Total discount is 44%.
Q. What does 'up to 70% off' mean?
A. It means some items are discounted up to 70%, but not all items have this discount level.
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