Discount Calculator — Sale Price, Savings & Percentage Off
Calculate discounted price, amount saved, and effective discount instantly. Supports double discounts and reverse calculation to find original price.
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How to Use
Step-by-step guide to get the most from this tool
- 1
Choose mode
Select Standard (single discount), Double (stacked discounts), or Reverse (find original price).
- 2
Enter values
Input the original price and discount percentage(s).
- 3
Get results
See sale price, amount saved, and effective discount percentage instantly.
Features
What makes this tool stand out
Double discount
Stack two discounts to find the true combined saving.
Reverse calculation
Know the sale price? Work backwards to find the original price.
Amount saved
Shows both absolute savings and percentage discount clearly.
100% private
All calculations in your browser — no data sent to any server.
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Frequently Asked Questions
Quick answers to common questions
How do I calculate the discount percentage?+
Discount % = ((Original Price − Sale Price) ÷ Original Price) × 100. Example: Item originally ₹1,000, on sale for ₹750. Discount % = ((1000 − 750) ÷ 1000) × 100 = 25%. You saved ₹250.
How do double discounts work?+
Double discounts are NOT additive. A 20% discount followed by an additional 10% discount does not equal 30% off. Net discount = 1 − (1 − 0.20) × (1 − 0.10) = 1 − 0.72 = 28% total discount. Always calculate each discount on the reduced price, not the original.
How do I find the original price from a discounted price?+
Original Price = Sale Price ÷ (1 − Discount%). Example: If an item costs ₹800 after a 20% discount, original price = 800 ÷ 0.80 = ₹1,000. This is useful for working backwards when you know the sale price and discount percentage.